Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6: (47 commits) USB: Add device id for Sierra Wireless MC8755 USB: cleanup sierra wireless driver a bit USB: Sierra Wireless driver update USB: ftdi_sio whitespace fixes USB-SERIAL:cp2101 Add new device ID USB/gadget/net2280: handle sysfs errors usbtouchscreen: fix data reading for ITM touchscreens UEAGLE: fix ueagle-atm Oops USB: xpad: dance pad support USB: input: extract() and implement() are bit field manipulation routines USB: Memory leak in drivers/usb/serial/airprime.c USB Storage: unusual_devs.h entry for Sony Ericsson P990i USB: fix usbatm tiny race USB: unusual_devs entry for Nokia 6234 USB: mos7840.c: fix a check-after-dereference USB: ftdi-elan.c: remove dead code USB: Mitsumi USB FDD 061M: UNUSUAL_DEV multilun fix USB: fix dereference in drivers/usb/misc/adutux.c USB: add USB serial mos7720 driver USB: move trancevibrator.c to the proper usb directory ...
author: Linus Torvalds <torvalds@g5.osdl.org> 2006-10-17 15:05:22 -0700
committer: Linus Torvalds <torvalds@g5.osdl.org> 2006-10-17 15:05:22 -0700
commit: 699ddda6ecd5751fd05fd5128aa7f93438974468 (patch)
tree: b09b6a347c2e437e9c8bd5cd87f94fe03944a437 /drivers/usb
parent: acbb67d51ef0ff942d592d44fb8abb4c931041ff (diff)
parent: ab352c2687a4361aec06a184ddb20deb1e5091eb (diff)
49 files changed, 3803 insertions, 615 deletions
diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile
index 97d57cfc343..825bf884537 100644
--- a/drivers/usb/Makefile
+++ b/drivers/usb/Makefile
@@ -33,7 +33,6 @@ obj-$(CONFIG_USB_KBTAB)		+= input/
 obj-$(CONFIG_USB_MOUSE)		+= input/
 obj-$(CONFIG_USB_MTOUCH)	+= input/
 obj-$(CONFIG_USB_POWERMATE)	+= input/
-obj-$(CONFIG_USB_TRANCEVIBRATOR)+= input/
 obj-$(CONFIG_USB_WACOM)		+= input/
 obj-$(CONFIG_USB_XPAD)		+= input/
 
@@ -66,6 +65,7 @@ obj-$(CONFIG_USB_PHIDGETSERVO)	+= misc/
 obj-$(CONFIG_USB_RIO500)	+= misc/
 obj-$(CONFIG_USB_SISUSBVGA)	+= misc/
 obj-$(CONFIG_USB_TEST)		+= misc/
+obj-$(CONFIG_USB_TRANCEVIBRATOR)+= misc/
 obj-$(CONFIG_USB_USS720)	+= misc/
 
 obj-$(CONFIG_USB_ATM)		+= atm/
diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c
index 3892a9e9aee..e6565633ba0 100644
--- a/drivers/usb/atm/cxacru.c
+++ b/drivers/usb/atm/cxacru.c
@@ -793,6 +793,9 @@ static const struct usb_device_id cxacru_usb_ids[] = {
 	{ /* V = Conexant			P = ADSL modem				*/
 		USB_DEVICE(0x0572, 0xcb06),	.driver_info = (unsigned long) &cxacru_cb00
 	},
+	{ /* V = Conexant			P = ADSL modem (ZTE ZXDSL 852)		*/
+		USB_DEVICE(0x0572, 0xcb07),	.driver_info = (unsigned long) &cxacru_cb00
+	},
 	{ /* V = Olitec				P = ADSL modem version 2		*/
 		USB_DEVICE(0x08e3, 0x0100),	.driver_info = (unsigned long) &cxacru_cafe
 	},
diff --git a/drivers/usb/atm/speedtch.c b/drivers/usb/atm/speedtch.c
index 7c7b507af29..c870c804470 100644
--- a/drivers/usb/atm/speedtch.c
+++ b/drivers/usb/atm/speedtch.c
@@ -55,7 +55,6 @@ static const char speedtch_driver_name[] = "speedtch";
 #define OFFSET_d	9		/* size 4 */
 #define OFFSET_e	13		/* size 1 */
 #define OFFSET_f	14		/* size 1 */
-#define TOTAL		15
 
 #define SIZE_7		1
 #define SIZE_b		8
@@ -79,6 +78,18 @@ static int dl_512_first = DEFAULT_DL_512_FIRST;
 static int enable_isoc = DEFAULT_ENABLE_ISOC;
 static int sw_buffering = DEFAULT_SW_BUFFERING;
 
+#define DEFAULT_B_MAX_DSL	8128
+#define DEFAULT_MODEM_MODE	11
+#define MODEM_OPTION_LENGTH	16
+static const unsigned char DEFAULT_MODEM_OPTION[MODEM_OPTION_LENGTH] = {
+	0x10, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+
+static unsigned int BMaxDSL = DEFAULT_B_MAX_DSL;
+static unsigned char ModemMode = DEFAULT_MODEM_MODE;
+static unsigned char ModemOption[MODEM_OPTION_LENGTH];
+static int num_ModemOption;
+
 module_param(altsetting, uint, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(altsetting,
 		"Alternative setting for data interface (bulk_default: "
@@ -100,6 +111,17 @@ MODULE_PARM_DESC(sw_buffering,
 		 "Enable software buffering (default: "
 		 __MODULE_STRING(DEFAULT_SW_BUFFERING) ")");
 
+module_param(BMaxDSL, uint, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(BMaxDSL,
+		"default: " __MODULE_STRING(DEFAULT_B_MAX_DSL));
+
+module_param(ModemMode, byte, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(ModemMode,
+		"default: " __MODULE_STRING(DEFAULT_MODEM_MODE));
+
+module_param_array(ModemOption, byte, &num_ModemOption, S_IRUGO);
+MODULE_PARM_DESC(ModemOption, "default: 0x10,0x00,0x00,0x00,0x20");
+
 #define INTERFACE_DATA		1
 #define ENDPOINT_INT		0x81
 #define ENDPOINT_BULK_DATA	0x07
@@ -108,10 +130,17 @@ MODULE_PARM_DESC(sw_buffering,
 
 #define hex2int(c) ( (c >= '0') && (c <= '9') ? (c - '0') : ((c & 0xf) + 9) )
 
+struct speedtch_params {
+	unsigned int altsetting;
+	unsigned int BMaxDSL;
+	unsigned char ModemMode;
+	unsigned char ModemOption[MODEM_OPTION_LENGTH];
+};
+
 struct speedtch_instance_data {
 	struct usbatm_data *usbatm;
 
-	unsigned int altsetting;
+	struct speedtch_params params; /* set in probe, constant afterwards */
 
 	struct work_struct status_checker;
 
@@ -123,7 +152,7 @@ struct speedtch_instance_data {
 	struct urb *int_urb;
 	unsigned char int_data[16];
 
-	unsigned char scratch_buffer[TOTAL];
+	unsigned char scratch_buffer[16];
 };
 
 /***************
@@ -186,6 +215,34 @@ static void speedtch_test_sequence(struct speedtch_instance_data *instance)
 			      0x01, 0x40, 0x04, 0x00, buf, 3, CTRL_TIMEOUT);
 	if (ret < 0)
 		usb_warn(usbatm, "%s failed on URB150: %d\n", __func__, ret);
+
+	/* Extra initialisation in recent drivers - gives higher speeds */
+
+	/* URBext1 */
+	buf[0] = instance->params.ModemMode;
+	ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
+			      0x01, 0x40, 0x11, 0x00, buf, 1, CTRL_TIMEOUT);
+	if (ret < 0)
+		usb_warn(usbatm, "%s failed on URBext1: %d\n", __func__, ret);
+
+	/* URBext2 */
+	/* This seems to be the one which actually triggers the higher sync
+	   rate -- it does require the new firmware too, although it works OK
+	   with older firmware */
+	ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
+			      0x01, 0x40, 0x14, 0x00,
+			      instance->params.ModemOption,
+			      MODEM_OPTION_LENGTH, CTRL_TIMEOUT);
+	if (ret < 0)
+		usb_warn(usbatm, "%s failed on URBext2: %d\n", __func__, ret);
+
+	/* URBext3 */
+	buf[0] = instance->params.BMaxDSL & 0xff;
+	buf[1] = instance->params.BMaxDSL >> 8;
+	ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
+			      0x01, 0x40, 0x12, 0x00, buf, 2, CTRL_TIMEOUT);
+	if (ret < 0)
+		usb_warn(usbatm, "%s failed on URBext3: %d\n", __func__, ret);
 }
 
 static int speedtch_upload_firmware(struct speedtch_instance_data *instance,
@@ -285,8 +342,8 @@ static int speedtch_upload_firmware(struct speedtch_instance_data *instance,
 	   because we're in our own kernel thread anyway. */
 	msleep_interruptible(1000);
 
-	if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, instance->altsetting)) < 0) {
-		usb_err(usbatm, "%s: setting interface to %d failed (%d)!\n", __func__, instance->altsetting, ret);
+	if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, instance->params.altsetting)) < 0) {
+		usb_err(usbatm, "%s: setting interface to %d failed (%d)!\n", __func__, instance->params.altsetting, ret);
 		goto out_free;
 	}
 
@@ -372,7 +429,7 @@ static int speedtch_read_status(struct speedtch_instance_data *instance)
 	unsigned char *buf = instance->scratch_buffer;
 	int ret;
 
-	memset(buf, 0, TOTAL);
+	memset(buf, 0, 16);
 
 	ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
 			      0x12, 0xc0, 0x07, 0x00, buf + OFFSET_7, SIZE_7,
@@ -746,17 +803,21 @@ static int speedtch_bind(struct usbatm_data *usbatm,
 
 	instance->usbatm = usbatm;
 
-	/* altsetting and enable_isoc may change at any moment, so take a snapshot */
-	instance->altsetting = altsetting;
+	/* module parameters may change at any moment, so take a snapshot */
+	instance->params.altsetting = altsetting;
+	instance->params.BMaxDSL = BMaxDSL;
+	instance->params.ModemMode = ModemMode;
+	memcpy(instance->params.ModemOption, DEFAULT_MODEM_OPTION, MODEM_OPTION_LENGTH);
+	memcpy(instance->params.ModemOption, ModemOption, num_ModemOption);
 	use_isoc = enable_isoc;
 
-	if (instance->altsetting)
-		if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, instance->altsetting)) < 0) {
-			usb_err(usbatm, "%s: setting interface to %2d failed (%d)!\n", __func__, instance->altsetting, ret);
-			instance->altsetting = 0; /* fall back to default */
+	if (instance->params.altsetting)
+		if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, instance->params.altsetting)) < 0) {
+			usb_err(usbatm, "%s: setting interface to %2d failed (%d)!\n", __func__, instance->params.altsetting, ret);
+			instance->params.altsetting = 0; /* fall back to default */
 		}
 
-	if (!instance->altsetting && use_isoc)
+	if (!instance->params.altsetting && use_isoc)
 		if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, DEFAULT_ISOC_ALTSETTING)) < 0) {
 			usb_dbg(usbatm, "%s: setting interface to %2d failed (%d)!\n", __func__, DEFAULT_ISOC_ALTSETTING, ret);
 			use_isoc = 0; /* fall back to bulk */
@@ -783,14 +844,14 @@ static int speedtch_bind(struct usbatm_data *usbatm,
 			usb_info(usbatm, "isochronous transfer not supported - using bulk\n");
 	}
 
-	if (!use_isoc && !instance->altsetting)
+	if (!use_isoc && !instance->params.altsetting)
 		if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, DEFAULT_BULK_ALTSETTING)) < 0) {
 			usb_err(usbatm, "%s: setting interface to %2d failed (%d)!\n", __func__, DEFAULT_BULK_ALTSETTING, ret);
 			goto fail_free;
 		}
 
-	if (!instance->altsetting)
-		instance->altsetting = use_isoc ? DEFAULT_ISOC_ALTSETTING : DEFAULT_BULK_ALTSETTING;
+	if (!instance->params.altsetting)
+		instance->params.altsetting = use_isoc ? DEFAULT_ISOC_ALTSETTING : DEFAULT_BULK_ALTSETTING;
 
 	usbatm->flags |= (use_isoc ? UDSL_USE_ISOC : 0);
 
diff --git a/drivers/usb/atm/ueagle-atm.c b/drivers/usb/atm/ueagle-atm.c
index f5434b1cbb1..f6b9f7e1f71 100644
--- a/drivers/usb/atm/ueagle-atm.c
+++ b/drivers/usb/atm/ueagle-atm.c
@@ -68,7 +68,7 @@
 
 #include "usbatm.h"
 
-#define EAGLEUSBVERSION "ueagle 1.3"
+#define EAGLEUSBVERSION "ueagle 1.4"
 
 
 /*
@@ -80,14 +80,14 @@
 			dev_dbg(&(usb_dev)->dev, \
 				"[ueagle-atm dbg] %s: " format, \
 					__FUNCTION__, ##args); \
-       } while (0)
+	} while (0)
 
 #define uea_vdbg(usb_dev, format, args...)	\
 	do { \
 		if (debug >= 2) \
 			dev_dbg(&(usb_dev)->dev, \
 				"[ueagle-atm vdbg]  " format, ##args); \
-       } while (0)
+	} while (0)
 
 #define uea_enters(usb_dev) \
 	uea_vdbg(usb_dev, "entering %s\n", __FUNCTION__)
@@ -218,8 +218,8 @@ enum {
 #define UEA_CHIP_VERSION(x) \
 	((x)->driver_info & 0xf)
 
-#define IS_ISDN(sc) \
-	(le16_to_cpu(sc->usb_dev->descriptor.bcdDevice) & 0x80)
+#define IS_ISDN(usb_dev) \
+	(le16_to_cpu((usb_dev)->descriptor.bcdDevice) & 0x80)
 
 #define INS_TO_USBDEV(ins) ins->usb_dev
 
@@ -625,12 +625,12 @@ static int request_dsp(struct uea_softc *sc)
 	char *dsp_name;
 
 	if (UEA_CHIP_VERSION(sc) == ADI930) {
-		if (IS_ISDN(sc))
+		if (IS_ISDN(sc->usb_dev))
 			dsp_name = FW_DIR "DSP9i.bin";
 		else
 			dsp_name = FW_DIR "DSP9p.bin";
 	} else {
-		if (IS_ISDN(sc))
+		if (IS_ISDN(sc->usb_dev))
 			dsp_name = FW_DIR "DSPei.bin";
 		else
 			dsp_name = FW_DIR "DSPep.bin";
@@ -744,7 +744,7 @@ static inline void wake_up_cmv_ack(struct uea_softc *sc)
 
 static inline int wait_cmv_ack(struct uea_softc *sc)
 {
-	int ret = wait_event_timeout(sc->cmv_ack_wait,
+	int ret = wait_event_interruptible_timeout(sc->cmv_ack_wait,
 						   sc->cmv_ack, ACK_TIMEOUT);
 	sc->cmv_ack = 0;
 
@@ -885,7 +885,8 @@ static int uea_stat(struct uea_softc *sc)
 		break;
 
 	case 3:		/* fail ... */
-		uea_info(INS_TO_USBDEV(sc), "modem synchronization failed\n");
+		uea_info(INS_TO_USBDEV(sc), "modem synchronization failed"
+				" (may be try other cmv/dsp)\n");
 		return -EAGAIN;
 
 	case 4 ... 6:	/* test state */
@@ -913,12 +914,6 @@ static int uea_stat(struct uea_softc *sc)
 			release_firmware(sc->dsp_firm);
 			sc->dsp_firm = NULL;
 		}
-
-		ret = uea_read_cmv(sc, SA_INFO, 10, &sc->stats.phy.firmid);
-		if (ret < 0)
-			return ret;
-		uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n",
-				sc->stats.phy.firmid);
 	}
 
 	/* always update it as atm layer could not be init when we switch to
@@ -1033,9 +1028,9 @@ static int request_cmvs(struct uea_softc *sc,
 
 	if (cmv_file[sc->modem_index] == NULL) {
 		if (UEA_CHIP_VERSION(sc) == ADI930)
-			file = (IS_ISDN(sc)) ? "CMV9i.bin" : "CMV9p.bin";
+			file = (IS_ISDN(sc->usb_dev)) ? "CMV9i.bin" : "CMV9p.bin";
 		else
-			file = (IS_ISDN(sc)) ? "CMVei.bin" : "CMVep.bin";
+			file = (IS_ISDN(sc->usb_dev)) ? "CMVei.bin" : "CMVep.bin";
 	} else
 		file = cmv_file[sc->modem_index];
 
@@ -1131,6 +1126,13 @@ static int uea_start_reset(struct uea_softc *sc)
 	if (ret < 0)
 		return ret;
 
+	/* Dump firmware version */
+	ret = uea_read_cmv(sc, SA_INFO, 10, &sc->stats.phy.firmid);
+	if (ret < 0)
+		return ret;
+	uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n",
+			sc->stats.phy.firmid);
+
 	/* get options */
  	ret = len = request_cmvs(sc, &cmvs, &cmvs_fw);
 	if (ret < 0)
@@ -1147,6 +1149,8 @@ static int uea_start_reset(struct uea_softc *sc)
 	/* Enter in R-ACT-REQ */
 	ret = uea_write_cmv(sc, SA_CNTL, 0, 2);
 	uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n");
+	uea_info(INS_TO_USBDEV(sc), "Modem started, "
+		"waiting synchronization\n");
 out:
 	release_firmware(cmvs_fw);
 	sc->reset = 0;
@@ -1172,7 +1176,10 @@ static int uea_kthread(void *data)
 		if (!ret)
 			ret = uea_stat(sc);
 		if (ret != -EAGAIN)
-			msleep(1000);
+			msleep_interruptible(1000);
+ 		if (try_to_freeze())
+			uea_err(INS_TO_USBDEV(sc), "suspend/resume not supported, "
+				"please unplug/replug your modem\n");
 	}
 	uea_leaves(INS_TO_USBDEV(sc));
 	return ret;
@@ -1566,6 +1573,7 @@ UEA_ATTR(uscorr, 0);
 UEA_ATTR(dscorr, 0);
 UEA_ATTR(usunc, 0);
 UEA_ATTR(dsunc, 0);
+UEA_ATTR(firmid, 0);
 
 /* Retrieve the device End System Identifier (MAC) */
 
@@ -1597,7 +1605,7 @@ static int uea_heavy(struct usbatm_data *usbatm, struct usb_interface *intf)
 {
 	struct uea_softc *sc = usbatm->driver_data;
 
-	wait_event(sc->sync_q, IS_OPERATIONAL(sc));
+	wait_event_interruptible(sc->sync_q, IS_OPERATIONAL(sc));
 
 	return 0;
 
@@ -1639,16 +1647,13 @@ static struct attribute *attrs[] = {
 	&dev_attr_stat_dscorr.attr,
 	&dev_attr_stat_usunc.attr,
 	&dev_attr_stat_dsunc.attr,
+	&dev_attr_stat_firmid.attr,
+	NULL,
 };
 static struct attribute_group attr_grp = {
 	.attrs = attrs,
 };
 
-static int create_fs_entries(struct usb_interface *intf)
-{
-	return sysfs_create_group(&intf->dev.kobj, &attr_grp);
-}
-
 static int uea_bind(struct usbatm_data *usbatm, struct usb_interface *intf,
 		   const struct usb_device_id *id)
 {
@@ -1708,31 +1713,25 @@ static int uea_bind(struct usbatm_data *usbatm, struct usb_interface *intf,
 		}
 	}
 
+	ret = sysfs_create_group(&intf->dev.kobj, &attr_grp);
+	if (ret < 0)
+		goto error;
+
 	ret = uea_boot(sc);
-	if (ret < 0) {
-		kfree(sc);
-		return ret;
-	}
+	if (ret < 0)
+		goto error;
 
-	ret = create_fs_entries(intf);
-	if (ret) {
-		uea_stop(sc);
-		kfree(sc);
-		return ret;
-	}
 	return 0;
-}
-
-static void destroy_fs_entries(struct usb_interface *intf)
-{
-	sysfs_remove_group(&intf->dev.kobj, &attr_grp);
+error:
+	kfree(sc);
+	return ret;
 }
 
 static void uea_unbind(struct usbatm_data *usbatm, struct usb_interface *intf)
 {
 	struct uea_softc *sc = usbatm->driver_data;
 
-	destroy_fs_entries(intf);
+	sysfs_remove_group(&intf->dev.kobj, &attr_grp);
 	uea_stop(sc);
 	kfree(sc);
 }
@@ -1753,10 +1752,10 @@ static int uea_probe(struct usb_interface *intf, const struct usb_device_id *id)
 	struct usb_device *usb = interface_to_usbdev(intf);
 
 	uea_enters(usb);
-	uea_info(usb, "ADSL device founded vid (%#X) pid (%#X) : %s\n",
+	uea_info(usb, "ADSL device founded vid (%#X) pid (%#X) : %s %s\n",
 	       le16_to_cpu(usb->descriptor.idVendor),
 	       le16_to_cpu(usb->descriptor.idProduct),
-	       chip_name[UEA_CHIP_VERSION(id)]);
+	       chip_name[UEA_CHIP_VERSION(id)], IS_ISDN(usb)?"isdn":"pots");
 
 	usb_reset_device(usb);
 
diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c
index 309073f6433..ec63b0ee074 100644
--- a/drivers/usb/atm/usbatm.c
+++ b/drivers/usb/atm/usbatm.c
@@ -1001,6 +1001,7 @@ static int usbatm_do_heavy_init(void *arg)
 
 	daemonize(instance->driver->driver_name);
 	allow_signal(SIGTERM);
+	instance->thread_pid = current->pid;
 
 	complete(&instance->thread_started);
 
@@ -1025,10 +1026,6 @@ static int usbatm_heavy_init(struct usbatm_data *instance)
 		return ret;
 	}
 
-	mutex_lock(&instance->serialize);
-	instance->thread_pid = ret;
-	mutex_unlock(&instance->serialize);
-
 	wait_for_completion(&instance->thread_started);
 
 	return 0;
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index ec4d1d75672..9a9012fd284 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -325,7 +325,7 @@ static void acm_rx_tasklet(unsigned long _acm)
 	struct acm_rb *buf;
 	struct tty_struct *tty = acm->tty;
 	struct acm_ru *rcv;
-	//unsigned long flags;
+	unsigned long flags;
 	int i = 0;
 	dbg("Entering acm_rx_tasklet");
 
@@ -333,15 +333,15 @@ static void acm_rx_tasklet(unsigned long _acm)
 		return;
 
 next_buffer:
-	spin_lock(&acm->read_lock);
+	spin_lock_irqsave(&acm->read_lock, flags);
 	if (list_empty(&acm->filled_read_bufs)) {
-		spin_unlock(&acm->read_lock);
+		spin_unlock_irqrestore(&acm->read_lock, flags);
 		goto urbs;
 	}
 	buf = list_entry(acm->filled_read_bufs.next,
 			 struct acm_rb, list);
 	list_del(&buf->list);
-	spin_unlock(&acm->read_lock);
+	spin_unlock_irqrestore(&acm->read_lock, flags);
 
 	dbg("acm_rx_tasklet: procesing buf 0x%p, size = %d", buf, buf->size);
 
@@ -356,29 +356,29 @@ next_buffer:
 		memmove(buf->base, buf->base + i, buf->size - i);
 		buf->size -= i;
 		spin_unlock(&acm->throttle_lock);
-		spin_lock(&acm->read_lock);
+		spin_lock_irqsave(&acm->read_lock, flags);
 		list_add(&buf->list, &acm->filled_read_bufs);
-		spin_unlock(&acm->read_lock);
+		spin_unlock_irqrestore(&acm->read_lock, flags);
 		return;
 	}
 	spin_unlock(&acm->throttle_lock);
 
-	spin_lock(&acm->read_lock);
+	spin_lock_irqsave(&acm->read_lock, flags);
 	list_add(&buf->list, &acm->spare_read_bufs);
-	spin_unlock(&acm->read_lock);
+	spin_unlock_irqrestore(&acm->read_lock, flags);
 	goto next_buffer;
 
 urbs:
 	while (!list_empty(&acm->spare_read_bufs)) {
-		spin_lock(&acm->read_lock);
+		spin_lock_irqsave(&acm->read_lock, flags);
 		if (list_empty(&acm->spare_read_urbs)) {
-			spin_unlock(&acm->read_lock);
+			spin_unlock_irqrestore(&acm->read_lock, flags);
 			return;
 		}
 		rcv = list_entry(acm->spare_read_urbs.next,
 				 struct acm_ru, list);
 		list_del(&rcv->list);
-		spin_unlock(&acm->read_lock);
+		spin_unlock_irqrestore(&acm->read_lock, flags);
 
 		buf = list_entry(acm->spare_read_bufs.next,
 				 struct acm_rb, list);
@@ -400,9 +400,9 @@ urbs:
 		   free-urbs-pool and resubmited ASAP */
 		if (usb_submit_urb(rcv->urb, GFP_ATOMIC) < 0) {
 			list_add(&buf->list, &acm->spare_read_bufs);
-			spin_lock(&acm->read_lock);
+			spin_lock_irqsave(&acm->read_lock, flags);
 			list_add(&rcv->list, &acm->spare_read_urbs);
-			spin_unlock(&acm->read_lock);
+			spin_unlock_irqrestore(&acm->read_lock, flags);
 			return;
 		}
 	}
@@ -1083,6 +1083,9 @@ static struct usb_device_id acm_ids[] = {
 	{ USB_DEVICE(0x0482, 0x0203), /* KYOCERA AH-K3001V */
 	.driver_info = NO_UNION_NORMAL, /* has no union descriptor */
 	},
+	{ USB_DEVICE(0x079b, 0x000f), /* BT On-Air USB MODEM */
+	.driver_info = NO_UNION_NORMAL, /* has no union descriptor */
+	},
 	{ USB_DEVICE(0x0ace, 0x1608), /* ZyDAS 56K USB MODEM */
 	.driver_info = SINGLE_RX_URB, /* firmware bug */
 	},
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index a161d70e1e4..809d465eb25 100644
--- a/drivers/usb/class/usblp.c
+++ b/drivers/usb/class/usblp.c
@@ -154,6 +154,7 @@ struct usblp {
 	unsigned char		used;			/* True if open */
 	unsigned char		present;		/* True if not disconnected */
 	unsigned char		bidir;			/* interface is bidirectional */
+	unsigned char		sleeping;		/* interface is suspended */
 	unsigned char		*device_id_string;	/* IEEE 1284 DEVICE ID string (ptr) */
 							/* first 2 bytes are (big-endian) length */
 };
@@ -183,6 +184,7 @@ static void usblp_dump(struct usblp *usblp) {
 	dbg("quirks=%d", usblp->quirks);
 	dbg("used=%d", usblp->used);
 	dbg("bidir=%d", usblp->bidir);
+	dbg("sleeping=%d", usblp->sleeping);
 	dbg("device_id_string=\"%s\"",
 		usblp->device_id_string ?
 			usblp->device_id_string + 2 :
@@ -338,6 +340,20 @@ static int usblp_check_status(struct usblp *usblp, int err)
 	return newerr;
 }
 
+static int handle_bidir (struct usblp *usblp)
+{
+	if (usblp->bidir && usblp->used && !usblp->sleeping) {
+		usblp->readcount = 0;
+		usblp->readurb->dev = usblp->dev;
+		if (usb_submit_urb(usblp->readurb, GFP_KERNEL) < 0) {
+			usblp->used = 0;
+			return -EIO;
+		}
+	}
+
+	return 0;
+}
+
 /*
  * File op functions.
  */
@@ -390,14 +406,9 @@ static int usblp_open(struct inode *inode, struct file *file)
 	usblp->writeurb->status = 0;
 	usblp->readurb->status = 0;
 
-	if (usblp->bidir) {
-		usblp->readcount = 0;
-		usblp->readurb->dev = usblp->dev;
-		if (usb_submit_urb(usblp->readurb, GFP_KERNEL) < 0) {
-			retval = -EIO;
-			usblp->used = 0;
-			file->private_data = NULL;
-		}
+	if (handle_bidir(usblp) < 0) {
+		file->private_data = NULL;
+		retval = -EIO;
 	}
 out:
 	mutex_unlock (&usblp_mutex);
@@ -460,6 +471,11 @@ static long usblp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 		goto done;
 	}
 
+	if (usblp->sleeping) {
+		retval = -ENODEV;
+		goto done;
+	}
+
 	dbg("usblp_ioctl: cmd=0x%x (%c nr=%d len=%d dir=%d)", cmd, _IOC_TYPE(cmd),
 		_IOC_NR(cmd), _IOC_SIZE(cmd), _IOC_DIR(cmd) );
 
@@ -658,6 +674,11 @@ static ssize_t usblp_write(struct file *file, const char __user *buffer, size_t
 			return -ENODEV;
 		}
 
+		if (usblp->sleeping) {
+			up (&usblp->sem);
+			return writecount ? writecount : -ENODEV;
+		}
+
 		if (usblp->writeurb->status != 0) {
 			if (usblp->quirks & USBLP_QUIRK_BIDIR) {
 				if (!usblp->wcomplete)
@@ -749,6 +770,11 @@ static ssize_t usblp_read(struct file *file, char __user *buffer, size_t count,
 		goto done;
 	}
 
+	if (usblp->sleeping) {
+		count = -ENODEV;
+		goto done;
+	}
+
 	if (usblp->readurb->status) {
 		err("usblp%d: error %d reading from printer",
 			usblp->minor, usblp->readurb->status);
@@ -1167,6 +1193,41 @@ static void usblp_disconnect(struct usb_interface *intf)
 	mutex_unlock (&usblp_mutex);
 }
 
+static int usblp_suspend (struct usb_interface *intf, pm_message_t message)
+{
+	struct usblp *usblp = usb_get_intfdata (intf);
+
+	/* this races against normal access and open */
+	mutex_lock (&usblp_mutex);
+	down (&usblp->sem);
+	/* we take no more IO */
+	usblp->sleeping = 1;
+	/* we wait for anything printing */
+	wait_event (usblp->wait, usblp->wcomplete || !usblp->present);
+	usblp_unlink_urbs(usblp);
+	up (&usblp->sem);
+	mutex_unlock (&usblp_mutex);
+
+	return 0;
+}
+
+static int usblp_resume (struct usb_interface *intf)
+{
+	struct usblp *usblp = usb_get_intfdata (intf);
+	int r;
+
+	mutex_lock (&usblp_mutex);
+	down (&usblp->sem);
+
+	usblp->sleeping = 0;
+	r = handle_bidir (usblp);
+
+	up (&usblp->sem);
+	mutex_unlock (&usblp_mutex);
+
+	return r;
+}
+
 static struct usb_device_id usblp_ids [] = {
 	{ USB_DEVICE_INFO(7, 1, 1) },
 	{ USB_DEVICE_INFO(7, 1, 2) },
@@ -1183,6 +1244,8 @@ static struct usb_driver usblp_driver = {
 	.name =		"usblp",
 	.probe =	usblp_probe,
 	.disconnect =	usblp_disconnect,
+	.suspend =	usblp_suspend,
+	.resume =	usblp_resume,
 	.id_table =	usblp_ids,
 };
 
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 724822cac2b..fed92be63b5 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -1588,15 +1588,18 @@ const struct file_operations usbfs_device_file_operations = {
 	.release =	usbdev_release,
 };
 
-static void usbdev_add(struct usb_device *dev)
+static int usbdev_add(struct usb_device *dev)
 {
 	int minor = ((dev->bus->busnum-1) * 128) + (dev->devnum-1);
 
 	dev->class_dev = class_device_create(usb_device_class, NULL,
 				MKDEV(USB_DEVICE_MAJOR, minor), &dev->dev,
 				"usbdev%d.%d", dev->bus->busnum, dev->devnum);
+	if (IS_ERR(dev->class_dev))
+		return PTR_ERR(dev->class_dev);
 
 	dev->class_dev->class_data = dev;
+	return 0;
 }
 
 static void usbdev_remove(struct usb_device *dev)
@@ -1609,7 +1612,8 @@ static int usbdev_notify(struct notifier_block *self, unsigned long action,
 {
 	switch (action) {
 	case USB_DEVICE_ADD:
-		usbdev_add(dev);
+		if (usbdev_add(dev))
+			return NOTIFY_BAD;
 		break;
 	case USB_DEVICE_REMOVE:
 		usbdev_remove(dev);
diff --git a/drivers/usb/core/endpoint.c b/drivers/usb/core/endpoint.c
index 3ebb90149e9..3b2d137912b 100644
--- a/drivers/usb/core/endpoint.c
+++ b/drivers/usb/core/endpoint.c
@@ -223,7 +223,7 @@ int usb_create_ep_files(struct device *parent,
 	ep_dev = kzalloc(sizeof(*ep_dev), GFP_KERNEL);
 	if (!ep_dev) {
 		retval = -ENOMEM;
-		goto exit;
+		goto error_alloc;
 	}
 
 	/* fun calculation to determine the minor of this endpoint */
@@ -241,33 +241,31 @@ int usb_create_ep_files(struct device *parent,
 
 	retval = device_register(&ep_dev->dev);
 	if (retval)
-		goto error;
+		goto error_register;
 	retval = sysfs_create_group(&ep_dev->dev.kobj, &ep_dev_attr_grp);
 	if (retval)
 		goto error_group;
 
-	endpoint->ep_dev = ep_dev;
-
 	/* create the symlink to the old-style "ep_XX" directory */
 	sprintf(name, "ep_%02x", endpoint->desc.bEndpointAddress);
-	retval = sysfs_create_link(&parent->kobj,
-				   &endpoint->ep_dev->dev.kobj, name);
+	retval = sysfs_create_link(&parent->kobj, &ep_dev->dev.kobj, name);
 	if (retval)
 		goto error_link;
-exit:
+	endpoint->ep_dev = ep_dev;
 	return retval;
 
 error_link:
 	sysfs_remove_group(&ep_dev->dev.kobj, &ep_dev_attr_grp);
-
 error_group:
 	device_unregister(&ep_dev->dev);
-	endpoint->ep_dev = NULL;
 	destroy_endpoint_class();
 	return retval;
-error:
+
+error_register:
 	kfree(ep_dev);
+error_alloc:
 	destroy_endpoint_class();
+exit:
 	return retval;
 }
 
@@ -282,8 +280,6 @@ void usb_remove_ep_files(struct usb_host_endpoint *endpoint)
 		sysfs_remove_group(&endpoint->ep_dev->dev.kobj, &ep_dev_attr_grp);
 		device_unregister(&endpoint->ep_dev->dev);
 		endpoint->ep_dev = NULL;
+		destroy_endpoint_class();
 	}
-	destroy_endpoint_class();
 }
-
-
diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index d954daa8e9e..7cfe0e5cf67 100644
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -2044,8 +2044,10 @@ int usb_gadget_register_driver (struct usb_gadget_driver *driver)
 		return retval;
 	}
 
-	device_create_file (&dev->pdev->dev, &dev_attr_function);
-	device_create_file (&dev->pdev->dev, &dev_attr_queues);
+	retval = device_create_file (&dev->pdev->dev, &dev_attr_function);
+	if (retval) goto err_unbind;
+	retval = device_create_file (&dev->pdev->dev, &dev_attr_queues);
+	if (retval) goto err_func;
 
 	/* ... then enable host detection and ep0; and we're ready
 	 * for set_configuration as well as eventual disconnect.
@@ -2060,6 +2062,14 @@ int usb_gadget_register_driver (struct usb_gadget_driver *driver)
 
 	/* pci writes may still be posted */
 	return 0;
+
+err_func:
+	device_remove_file (&dev->pdev->dev, &dev_attr_function);
+err_unbind:
+	driver->unbind (&dev->gadget);
+	dev->gadget.dev.driver = NULL;
+	dev->driver = NULL;
+	return retval;
 }
 EXPORT_SYMBOL (usb_gadget_register_driver);
 
@@ -2974,8 +2984,10 @@ static int net2280_probe (struct pci_dev *pdev, const struct pci_device_id *id)
 				: "disabled");
 	the_controller = dev;
 
-	device_register (&dev->gadget.dev);
-	device_create_file (&pdev->dev, &dev_attr_registers);
+	retval = device_register (&dev->gadget.dev);
+	if (retval) goto done;
+	retval = device_create_file (&pdev->dev, &dev_attr_registers);
+	if (retval) goto done;
 
 	return 0;
 
diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c
index 23b95b2bfe1..34b7a31cd85 100644
--- a/drivers/usb/host/ehci-dbg.c
+++ b/drivers/usb/host/ehci-dbg.c
@@ -754,7 +754,9 @@ show_registers (struct class_device *class_dev, char *buf)
 	}
 
 	if (ehci->reclaim) {
-		temp = scnprintf (next, size, "reclaim qh %p\n", ehci->reclaim);
+		temp = scnprintf (next, size, "reclaim qh %p%s\n",
+				ehci->reclaim,
+				ehci->reclaim_ready ? " ready" : "");
 		size -= temp;
 		next += temp;
 	}
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index aac6ec5dd7c..9030994aba9 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -111,7 +111,7 @@ static const char	hcd_name [] = "ehci_hcd";
 #define	EHCI_TUNE_MULT_TT	1
 #define	EHCI_TUNE_FLS		2	/* (small) 256 frame schedule */
 
-#define EHCI_IAA_MSECS		10		/* arbitrary */
+#define EHCI_IAA_JIFFIES	(HZ/100)	/* arbitrary; ~10 msec */
 #define EHCI_IO_JIFFIES		(HZ/10)		/* io watchdog > irq_thresh */
 #define EHCI_ASYNC_JIFFIES	(HZ/20)		/* async idle timeout */
 #define EHCI_SHRINK_JIFFIES	(HZ/200)	/* async qh unlink delay */
@@ -254,7 +254,6 @@ static void ehci_quiesce (struct ehci_hcd *ehci)
 
 /*-------------------------------------------------------------------------*/
 
-static void end_unlink_async (struct ehci_hcd *ehci);
 static void ehci_work(struct ehci_hcd *ehci);
 
 #include "ehci-hub.c"
@@ -264,37 +263,25 @@ static void ehci_work(struct ehci_hcd *ehci);
 
 /*-------------------------------------------------------------------------*/
 
-static void ehci_iaa_watchdog (unsigned long param)
+static void ehci_watchdog (unsigned long param)
 {
 	struct ehci_hcd		*ehci = (struct ehci_hcd *) param;
 	unsigned long		flags;
-	u32			status;
 
 	spin_lock_irqsave (&ehci->lock, flags);
-	WARN_ON(!ehci->reclaim);
 
-	/* lost IAA irqs wedge things badly; seen first with a vt8235 */
+	/* lost IAA irqs wedge things badly; seen with a vt8235 */
 	if (ehci->reclaim) {
-		status = readl (&ehci->regs->status);
+		u32		status = readl (&ehci->regs->status);
 		if (status & STS_IAA) {
 			ehci_vdbg (ehci, "lost IAA\n");
 			COUNT (ehci->stats.lost_iaa);
 			writel (STS_IAA, &ehci->regs->status);
-			end_unlink_async (ehci);
+			ehci->reclaim_ready = 1;
 		}
 	}
 
-	spin_unlock_irqrestore (&ehci->lock, flags);
-}
-
-static void ehci_watchdog (unsigned long param)
-{
-	struct ehci_hcd		*ehci = (struct ehci_hcd *) param;
-	unsigned long		flags;
-
-	spin_lock_irqsave (&ehci->lock, flags);
-
-	/* stop async processing after it's idled a bit */
+ 	/* stop async processing after it's idled a bit */
 	if (test_bit (TIMER_ASYNC_OFF, &ehci->actions))
 		start_unlink_async (ehci, ehci->async);
 
@@ -345,6 +332,8 @@ static void ehci_port_power (struct ehci_hcd *ehci, int is_on)
 static void ehci_work (struct ehci_hcd *ehci)
 {
 	timer_action_done (ehci, TIMER_IO_WATCHDOG);
+	if (ehci->reclaim_ready)
+		end_unlink_async (ehci);
 
 	/* another CPU may drop ehci->lock during a schedule scan while
 	 * it reports urb completions.  this flag guards against bogus
@@ -379,7 +368,6 @@ static void ehci_stop (struct usb_hcd *hcd)
 
 	/* no more interrupts ... */
 	del_timer_sync (&ehci->watchdog);
-	del_timer_sync (&ehci->iaa_watchdog);
 
 	spin_lock_irq(&ehci->lock);
 	if (HC_IS_RUNNING (hcd->state))
@@ -426,10 +414,6 @@ static int ehci_init(struct usb_hcd *hcd)
 	ehci->watchdog.function = ehci_watchdog;
 	ehci->watchdog.data = (unsigned long) ehci;
 
-	init_timer(&ehci->iaa_watchdog);
-	ehci->iaa_watchdog.function = ehci_iaa_watchdog;
-	ehci->iaa_watchdog.data = (unsigned long) ehci;
-
 	/*
 	 * hw default: 1K periodic list heads, one per frame.
 	 * periodic_size can shrink by USBCMD update if hcc_params allows.
@@ -446,6 +430,7 @@ static int ehci_init(struct usb_hcd *hcd)
 		ehci->i_thresh = 2 + HCC_ISOC_THRES(hcc_params);
 
 	ehci->reclaim = NULL;
+	ehci->reclaim_ready = 0;
 	ehci->next_uframe = -1;
 
 	/*
@@ -619,7 +604,7 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)
 	/* complete the unlinking of some qh [4.15.2.3] */
 	if (status & STS_IAA) {
 		COUNT (ehci->stats.reclaim);
-		end_unlink_async (ehci);
+		ehci->reclaim_ready = 1;
 		bh = 1;
 	}
 
@@ -723,14 +708,10 @@ static int ehci_urb_enqueue (
 
 static void unlink_async (struct ehci_hcd *ehci, struct ehci_qh *qh)
 {
-	// BUG_ON(qh->qh_state != QH_STATE_LINKED);
-
-	/* failfast */
-	if (!HC_IS_RUNNING (ehci_to_hcd(ehci)->state))
-		end_unlink_async (ehci);
-
-	/* defer till later if busy */
-	else if (ehci->reclaim) {
+	/* if we need to use IAA and it's busy, defer */
+	if (qh->qh_state == QH_STATE_LINKED
+			&& ehci->reclaim
+			&& HC_IS_RUNNING (ehci_to_hcd(ehci)->state)) {
 		struct ehci_qh		*last;
 
 		for (last = ehci->reclaim;
@@ -740,8 +721,12 @@ static void unlink_async (struct ehci_hcd *ehci, struct ehci_qh *qh)
 		qh->qh_state = QH_STATE_UNLINK_WAIT;
 		last->reclaim = qh;
 
-	/* start IAA cycle */
-	} else
+	/* bypass IAA if the hc can't care */
+	} else if (!HC_IS_RUNNING (ehci_to_hcd(ehci)->state) && ehci->reclaim)
+		end_unlink_async (ehci);
+
+	/* something else might have unlinked the qh by now */
+	if (qh->qh_state == QH_STATE_LINKED)
 		start_unlink_async (ehci, qh);
 }
 
@@ -763,19 +748,7 @@ static int ehci_urb_dequeue (struct usb_hcd *hcd, struct urb *urb)
 		qh = (struct ehci_qh *) urb->hcpriv;
 		if (!qh)
 			break;
-		switch (qh->qh_state) {
-		case QH_STATE_LINKED:
-		case QH_STATE_COMPLETING:
-			unlink_async (ehci, qh);
-			break;
-		case QH_STATE_UNLINK:
-		case QH_STATE_UNLINK_WAIT:
-			/* already started */
-			break;
-		case QH_STATE_IDLE:
-			WARN_ON(1);
-			break;
-		}
+		unlink_async (ehci, qh);
 		break;
 
 	case PIPE_INTERRUPT:
@@ -867,7 +840,6 @@ rescan:
 		unlink_async (ehci, qh);
 		/* FALL THROUGH */
 	case QH_STATE_UNLINK:		/* wait for hw to finish? */
-	case QH_STATE_UNLINK_WAIT:
 idle_timeout:
 		spin_unlock_irqrestore (&ehci->lock, flags);
 		schedule_timeout_uninterruptible(1);
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index 2012213c0a2..1b20722c102 100644
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -48,7 +48,7 @@ static int ehci_bus_suspend (struct usb_hcd *hcd)
 	}
 	ehci->command = readl (&ehci->regs->command);
 	if (ehci->reclaim)
-		end_unlink_async (ehci);
+		ehci->reclaim_ready = 1;
 	ehci_work(ehci);
 
 	/* suspend any active/unsuspended ports, maybe allow wakeup */
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index 35e3fab6fc4..e51c1ed81ac 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -303,7 +303,7 @@ restart:
 	/* emptying the schedule aborts any urbs */
 	spin_lock_irq(&ehci->lock);
 	if (ehci->reclaim)
-		end_unlink_async (ehci);
+		ehci->reclaim_ready = 1;
 	ehci_work(ehci);
 	spin_unlock_irq(&ehci->lock);
 
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
index 46327272f61..62e46dc60e8 100644
--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -967,7 +967,7 @@ static void end_unlink_async (struct ehci_hcd *ehci)
 	struct ehci_qh		*qh = ehci->reclaim;
 	struct ehci_qh		*next;
 
-	iaa_watchdog_done (ehci);
+	timer_action_done (ehci, TIMER_IAA_WATCHDOG);
 
 	// qh->hw_next = cpu_to_le32 (qh->qh_dma);
 	qh->qh_state = QH_STATE_IDLE;
@@ -977,6 +977,7 @@ static void end_unlink_async (struct ehci_hcd *ehci)
 	/* other unlink(s) may be pending (in QH_STATE_UNLINK_WAIT) */
 	next = qh->reclaim;
 	ehci->reclaim = next;
+	ehci->reclaim_ready = 0;
 	qh->reclaim = NULL;
 
 	qh_completions (ehci, qh);
@@ -1051,10 +1052,11 @@ static void start_unlink_async (struct ehci_hcd *ehci, struct ehci_qh *qh)
 		return;
 	}
 
+	ehci->reclaim_ready = 0;
 	cmd |= CMD_IAAD;
 	writel (cmd, &ehci->regs->command);
 	(void) readl (&ehci->regs->command);
-	iaa_watchdog_start (ehci);
+	timer_action (ehci, TIMER_IAA_WATCHDOG);
 }
 
 /*-------------------------------------------------------------------------*/
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 6aac39f50e0..bbc3082a73d 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -58,6 +58,7 @@ struct ehci_hcd {			/* one per controller */
 	/* async schedule support */
 	struct ehci_qh		*async;
 	struct ehci_qh		*reclaim;
+	unsigned		reclaim_ready : 1;
 	unsigned		scanning : 1;
 
 	/* periodic schedule support */
@@ -80,7 +81,6 @@ struct ehci_hcd {			/* one per controller */
 	struct dma_pool		*itd_pool;	/* itd per iso urb */
 	struct dma_pool		*sitd_pool;	/* sitd per split iso urb */
 
-	struct timer_list	iaa_watchdog;
 	struct timer_list	watchdog;
 	unsigned long		actions;
 	unsigned		stamp;
@@ -114,21 +114,9 @@ static inline struct usb_hcd *ehci_to_hcd (struct ehci_hcd *ehci)
 }
 
 
-static inline void
-iaa_watchdog_start (struct ehci_hcd *ehci)
-{
-	WARN_ON(timer_pending(&ehci->iaa_watchdog));
-	mod_timer (&ehci->iaa_watchdog,
-			jiffies + msecs_to_jiffies(EHCI_IAA_MSECS));
-}
-
-static inline void iaa_watchdog_done (struct ehci_hcd *ehci)
-{
-	del_timer (&ehci->iaa_watchdog);
-}
-
 enum ehci_timer_action {
 	TIMER_IO_WATCHDOG,
+	TIMER_IAA_WATCHDOG,
 	TIMER_ASYNC_SHRINK,
 	TIMER_ASYNC_OFF,
 };
@@ -146,6 +134,9 @@ timer_action (struct ehci_hcd *ehci, enum ehci_timer_action action)
 		unsigned long t;
 
 		switch (action) {
+		case TIMER_IAA_WATCHDOG:
+			t = EHCI_IAA_JIFFIES;
+			break;
 		case TIMER_IO_WATCHDOG:
 			t = EHCI_IO_JIFFIES;
 			break;
@@ -162,7 +153,8 @@ timer_action (struct ehci_hcd *ehci, enum ehci_timer_action action)
 		// async queue SHRINK often precedes IAA.  while it's ready
 		// to go OFF neither can matter, and afterwards the IO
 		// watchdog stops unless there's still periodic traffic.
-		if (time_before_eq(t, ehci->watchdog.expires)
+		if (action != TIMER_IAA_WATCHDOG
+				&& t > ehci->watchdog.expires
 				&& timer_pending (&ehci->watchdog))
 			return;
 		mod_timer (&ehci->watchdog, t);
diff --git a/drivers/usb/host/ohci-pnx4008.c b/drivers/usb/host/ohci-pnx4008.c
index 82cb22f002e..2dbb7741490 100644
--- a/drivers/usb/host/ohci-pnx4008.c
+++ b/drivers/usb/host/ohci-pnx4008.c
@@ -262,6 +262,7 @@ static const struct hc_driver ohci_pnx4008_hc_driver = {
 	 */
 	.start = ohci_pnx4008_start,
 	.stop = ohci_stop,
+	.shutdown = ohci_shutdown,
 
 	/*
 	 * managing i/o requests and associated device resources
@@ -280,7 +281,11 @@ static const struct hc_driver ohci_pnx4008_hc_driver = {
 	 */
 	.hub_status_data = ohci_hub_status_data,
 	.hub_control = ohci_hub_control,
-
+	.hub_irq_enable = ohci_rhsc_enable,
+#ifdef	CONFIG_PM
+	.bus_suspend = ohci_bus_suspend,
+	.bus_resume = ohci_bus_resume,
+#endif
 	.start_port_reset = ohci_start_port_reset,
 };
 
@@ -410,8 +415,6 @@ static int __devinit usb_hcd_pnx4008_probe(struct platform_device *pdev)
 		goto out4;
 	}
 
-	hcd->self.hcpriv = (void *)hcd;
-
 	pnx4008_start_hc();
 	platform_set_drvdata(pdev, hcd);
 	ohci = hcd_to_ohci(hcd);
diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c
index 45ee6920a85..226bf3de8ed 100644
--- a/drivers/usb/host/uhci-hcd.c
+++ b/drivers/usb/host/uhci-hcd.c
@@ -40,6 +40,7 @@
 #include <linux/dma-mapping.h>
 #include <linux/usb.h>
 #include <linux/bitops.h>
+#include <linux/dmi.h>
 
 #include <asm/uaccess.h>
 #include <asm/io.h>
@@ -196,12 +197,42 @@ static int resume_detect_interrupts_are_broken(struct uhci_hcd *uhci)
 	return 0;
 }
 
+static int remote_wakeup_is_broken(struct uhci_hcd *uhci)
+{
+	static struct dmi_system_id broken_wakeup_table[] = {
+		{
+			.ident = "Asus A7V8X",
+			.matches = {
+				DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK"),
+				DMI_MATCH(DMI_BOARD_NAME, "A7V8X"),
+				DMI_MATCH(DMI_BOARD_VERSION, "REV 1.xx"),
+			}
+		},
+		{ }
+	};
+	int port;
+
+	/* One of Asus's motherboards has a bug which causes it to
+	 * wake up immediately from suspend-to-RAM if any of the ports
+	 * are connected.  In such cases we will not set EGSM.
+	 */
+	if (dmi_check_system(broken_wakeup_table)) {
+		for (port = 0; port < uhci->rh_numports; ++port) {
+			if (inw(uhci->io_addr + USBPORTSC1 + port * 2) &
+					USBPORTSC_CCS)
+				return 1;
+		}
+	}
+
+	return 0;
+}
+
 static void suspend_rh(struct uhci_hcd *uhci, enum uhci_rh_state new_state)
 __releases(uhci->lock)
 __acquires(uhci->lock)
 {
 	int auto_stop;
-	int int_enable;
+	int int_enable, egsm_enable;
 
 	auto_stop = (new_state == UHCI_RH_AUTO_STOPPED);
 	dev_dbg(&uhci_to_hcd(uhci)->self.root_hub->dev,
@@ -217,15 +248,18 @@ __acquires(uhci->lock)
 	}
 
 	/* Enable resume-detect interrupts if they work.
-	 * Then enter Global Suspend mode, still configured.
+	 * Then enter Global Suspend mode if _it_ works, still configured.
 	 */
+	egsm_enable = USBCMD_EGSM;
 	uhci->working_RD = 1;
 	int_enable = USBINTR_RESUME;
-	if (resume_detect_interrupts_are_broken(uhci)) {
+	if (remote_wakeup_is_broken(uhci))
+		egsm_enable = 0;
+	if (resume_detect_interrupts_are_broken(uhci) || !egsm_enable)
 		uhci->working_RD = int_enable = 0;
-	}
+
 	outw(int_enable, uhci->io_addr + USBINTR);
-	outw(USBCMD_EGSM | USBCMD_CF, uhci->io_addr + USBCMD);
+	outw(egsm_enable | USBCMD_CF, uhci->io_addr + USBCMD);
 	mb();
 	udelay(5);
 
diff --git a/drivers/usb/input/Kconfig b/drivers/usb/input/Kconfig
index 21cd2264008..20db36448ab 100644
--- a/drivers/usb/input/Kconfig
+++ b/drivers/usb/input/Kconfig
@@ -348,13 +348,3 @@ config USB_APPLETOUCH
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called appletouch.
-
-config USB_TRANCEVIBRATOR
-	tristate "PlayStation 2 Trance Vibrator driver support"
-	depends on USB
-	help
-	  Say Y here if you want to connect a PlayStation 2 Trance Vibrator
-	  device to your computer's USB port.
-
-	  To compile this driver as a module, choose M here: the
-	  module will be called trancevibrator.
diff --git a/drivers/usb/input/Makefile b/drivers/usb/input/Makefile
index 295f459d107..d946d5213b3 100644
--- a/drivers/usb/input/Makefile
+++ b/drivers/usb/input/Makefile
@@ -3,7 +3,7 @@
 #
 
 # Multipart objects.
-wacom-objs	:= wacom_sys.o wacom_wac.o
+wacom-objs	:= wacom_wac.o wacom_sys.o
 usbhid-objs	:= hid-core.o
 
 # Optional parts of multipart objects.
@@ -48,7 +48,6 @@ obj-$(CONFIG_USB_ACECAD)	+= acecad.o
 obj-$(CONFIG_USB_YEALINK)	+= yealink.o
 obj-$(CONFIG_USB_XPAD)		+= xpad.o
 obj-$(CONFIG_USB_APPLETOUCH)	+= appletouch.o
-obj-$(CONFIG_USB_TRANCEVIBRATOR)	+= trancevibrator.o
 
 ifeq ($(CONFIG_USB_DEBUG),y)
 EXTRA_CFLAGS += -DDEBUG
diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c
index a6738a83ff5..feabda73a6f 100644
--- a/drivers/usb/input/hid-core.c
+++ b/drivers/usb/input/hid-core.c
@@ -750,21 +750,31 @@ static __inline__ __u32 s32ton(__s32 value, unsigned n)
 }
 
 /*
- * Extract/implement a data field from/to a report.
+ * Extract/implement a data field from/to a little endian report (bit array).
  */
 
 static __inline__ __u32 extract(__u8 *report, unsigned offset, unsigned n)
 {
-	report += (offset >> 5) << 2; offset &= 31;
-	return (le64_to_cpu(get_unaligned((__le64*)report)) >> offset) & ((1ULL << n) - 1);
+	u32 x;
+
+	report += offset >> 3;  /* adjust byte index */
+	offset &= 8 - 1;
+	x = get_unaligned((u32 *) report);
+	x = le32_to_cpu(x);
+	x = (x >> offset) & ((1 << n) - 1);
+	return x;
 }
 
 static __inline__ void implement(__u8 *report, unsigned offset, unsigned n, __u32 value)
 {
-	report += (offset >> 5) << 2; offset &= 31;
-	put_unaligned((get_unaligned((__le64*)report)
-		& cpu_to_le64(~((((__u64) 1 << n) - 1) << offset)))
-		| cpu_to_le64((__u64)value << offset), (__le64*)report);
+	u32 x;
+
+	report += offset >> 3;
+	offset &= 8 - 1;
+	x = get_unaligned((u32 *)report);
+	x &= cpu_to_le32(~((((__u32) 1 << n) - 1) << offset));
+	x |= cpu_to_le32(value << offset);
+	put_unaligned(x,(u32 *)report);
 }
 
 /*
diff --git a/drivers/usb/input/usbtouchscreen.c b/drivers/usb/input/usbtouchscreen.c
index f26c1cd1129..2902742895a 100644
--- a/drivers/usb/input/usbtouchscreen.c
+++ b/drivers/usb/input/usbtouchscreen.c
@@ -256,10 +256,10 @@ static int itm_read_data(unsigned char *pkt, int *x, int *y, int *touch, int *pr
 {
 	*x = ((pkt[0] & 0x1F) << 7) | (pkt[3] & 0x7F);
 	*y = ((pkt[1] & 0x1F) << 7) | (pkt[4] & 0x7F);
-	*press = ((pkt[2] & 0x1F) << 7) | (pkt[5] & 0x7F);
+	*press = ((pkt[2] & 0x01) << 7) | (pkt[5] & 0x7F);
 	*touch = ~pkt[7] & 0x20;
 
-	return 1;
+	return *touch;
 }
 #endif
 
diff --git a/drivers/usb/input/wacom.h b/drivers/usb/input/wacom.h
index 7b3840e378a..1cf08f02c50 100644
--- a/drivers/usb/input/wacom.h
+++ b/drivers/usb/input/wacom.h
@@ -63,6 +63,7 @@
  *      v1.46 (pc) - Split wacom.c into wacom_sys.c and wacom_wac.c,
  *		   - where wacom_sys.c deals with system specific code,
  * 		   - and wacom_wac.c deals with Wacom specific code
+ *		   - Support Intuos3 4x6
  */
 
 /*
@@ -118,6 +119,7 @@ extern void wacom_input_sync(void *wcombo);
 extern void wacom_init_input_dev(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
 extern void input_dev_g4(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
 extern void input_dev_g(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
+extern void input_dev_i3s(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
 extern void input_dev_i3(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
 extern void input_dev_i(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
 extern void input_dev_pl(struct input_dev *input_dev, struct wacom_wac *wacom_wac);
diff --git a/drivers/usb/input/wacom_sys.c b/drivers/usb/input/wacom_sys.c
index d233c37bd53..3498b893b53 100644
--- a/drivers/usb/input/wacom_sys.c
+++ b/drivers/usb/input/wacom_sys.c
@@ -110,7 +110,7 @@ __u16 wacom_be16_to_cpu(unsigned char *data)
 __u16 wacom_le16_to_cpu(unsigned char *data)
 {
 	__u16 value;
-	value = be16_to_cpu(*(__be16 *) data);
+	value = le16_to_cpu(*(__le16 *) data);
 	return value;
 }
 
@@ -143,7 +143,7 @@ void input_dev_g4(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
 	input_dev->evbit[0] |= BIT(EV_MSC);
 	input_dev->mscbit[0] |= BIT(MSC_SERIAL);
 	input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_FINGER);
-	input_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_0) | BIT(BTN_1) | BIT(BTN_2) | BIT(BTN_3) | BIT(BTN_4) | BIT(BTN_5) | BIT(BTN_6) | BIT(BTN_7);
+	input_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_0) | BIT(BTN_4);
 }
 
 void input_dev_g(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
@@ -155,11 +155,16 @@ void input_dev_g(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
 	input_set_abs_params(input_dev, ABS_DISTANCE, 0, wacom_wac->features->distance_max, 0, 0);
 }
 
-void input_dev_i3(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
+void input_dev_i3s(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
 {
 	input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_FINGER);
-	input_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_0) | BIT(BTN_1) | BIT(BTN_2) | BIT(BTN_3) | BIT(BTN_4) | BIT(BTN_5) | BIT(BTN_6) | BIT(BTN_7);
+	input_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_0) | BIT(BTN_1) | BIT(BTN_2) | BIT(BTN_3);
 	input_set_abs_params(input_dev, ABS_RX, 0, 4097, 0, 0);
+}
+
+void input_dev_i3(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
+{
+	input_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_4) | BIT(BTN_5) | BIT(BTN_6) | BIT(BTN_7);
 	input_set_abs_params(input_dev, ABS_RY, 0, 4097, 0, 0);
 }
 
@@ -218,8 +223,7 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i
 	strlcat(wacom->phys, "/input0", sizeof(wacom->phys));
 
 	wacom_wac->features = get_wacom_feature(id);
-	if (wacom_wac->features->pktlen > 10)
-		BUG();
+	BUG_ON(wacom_wac->features->pktlen > 10);
 
 	input_dev->name = wacom_wac->features->name;
 	wacom->wacom_wac = wacom_wac;
@@ -244,7 +248,7 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i
 	usb_fill_int_urb(wacom->irq, dev,
 			 usb_rcvintpipe(dev, endpoint->bEndpointAddress),
 			 wacom_wac->data, wacom_wac->features->pktlen,
-			 wacom_wac->features->irq, wacom, endpoint->bInterval);
+			 wacom_sys_irq, wacom, endpoint->bInterval);
 	wacom->irq->transfer_dma = wacom->data_dma;
 	wacom->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 
@@ -278,8 +282,8 @@ static void wacom_disconnect(struct usb_interface *intf)
 		input_unregister_device(wacom->dev);
 		usb_free_urb(wacom->irq);
 		usb_buffer_free(interface_to_usbdev(intf), 10, wacom->wacom_wac->data, wacom->data_dma);
-		kfree(wacom);
 		kfree(wacom->wacom_wac);
+		kfree(wacom);
 	}
 }
 
diff --git a/drivers/usb/input/wacom_wac.c b/drivers/usb/input/wacom_wac.c
index aa31d22d4f0..92726fe8937 100644
--- a/drivers/usb/input/wacom_wac.c
+++ b/drivers/usb/input/wacom_wac.c
@@ -191,9 +191,9 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
 				wacom_report_key(wcombo, BTN_LEFT, data[1] & 0x01);
 				wacom_report_key(wcombo, BTN_RIGHT, data[1] & 0x02);
 				if (wacom->features->type == WACOM_G4)
-					wacom_report_abs(wcombo, ABS_DISTANCE, data[6]);
+					wacom_report_abs(wcombo, ABS_DISTANCE, data[6] & 0x3f);
 				else
-					wacom_report_abs(wcombo, ABS_DISTANCE, data[7]);
+					wacom_report_abs(wcombo, ABS_DISTANCE, data[7] & 0x3f);
 				break;
 		}
 	}
@@ -303,8 +303,9 @@ static int wacom_intuos_inout(struct wacom_wac *wacom, void *wcombo)
 				wacom->tool[idx] = BTN_TOOL_PEN;
 		}
 		/* only large I3 support Lens Cursor */
-		if(!((wacom->tool[idx] == BTN_TOOL_LENS) &&
-				(wacom->features->type == INTUOS3))) {
+		if(!((wacom->tool[idx] == BTN_TOOL_LENS)
+				 && ((wacom->features->type == INTUOS3)
+				 || (wacom->features->type == INTUOS3S)))) {
 			wacom_report_abs(wcombo, ABS_MISC, wacom->id[idx]); /* report tool id */
 			wacom_report_key(wcombo, wacom->tool[idx], 1);
 			wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
@@ -315,10 +316,14 @@ static int wacom_intuos_inout(struct wacom_wac *wacom, void *wcombo)
 
 	/* Exit report */
 	if ((data[1] & 0xfe) == 0x80) {
-		wacom_report_key(wcombo, wacom->tool[idx], 0);
-		wacom_report_abs(wcombo, ABS_MISC, 0); /* reset tool id */
-		wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
-		return 2;
+ 		if(!((wacom->tool[idx] == BTN_TOOL_LENS)
+				 && ((wacom->features->type == INTUOS3)
+				 || (wacom->features->type == INTUOS3S)))) {
+			wacom_report_key(wcombo, wacom->tool[idx], 0);
+			wacom_report_abs(wcombo, ABS_MISC, 0); /* reset tool id */
+			wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
+			return 2;
+		}
 	}
 	return 0;
 }
@@ -382,7 +387,8 @@ static int wacom_intuos_irq(struct wacom_wac *wacom, void *wcombo)
 		wacom_report_abs(wcombo, ABS_RX, ((data[1] & 0x1f) << 8) | data[2]);
 		wacom_report_abs(wcombo, ABS_RY, ((data[3] & 0x1f) << 8) | data[4]);
 
-		if((data[5] & 0x0f) | (data[6] & 0x0f) | (data[1] & 0x1f) | data[2])
+		if((data[5] & 0x0f) | (data[6] & 0x0f) | (data[1] & 0x1f) |
+			data[2] | (data[3] & 0x1f) | data[4])
 			wacom_report_key(wcombo, wacom->tool[1], 1);
 		else
 			wacom_report_key(wcombo, wacom->tool[1], 0);
@@ -432,7 +438,7 @@ static int wacom_intuos_irq(struct wacom_wac *wacom, void *wcombo)
 					((t - 1) / 2) : -t / 2);
 			}
 
-		} else if (!(data[1] & 0x10) && wacom->features->type < INTUOS3) {
+		} else if (!(data[1] & 0x10) && wacom->features->type < INTUOS3S) {
 			/* 4D mouse packet */
 			wacom_report_key(wcombo, BTN_LEFT,   data[8] & 0x01);
 			wacom_report_key(wcombo, BTN_MIDDLE, data[8] & 0x02);
@@ -452,12 +458,12 @@ static int wacom_intuos_irq(struct wacom_wac *wacom, void *wcombo)
 						 - ((data[8] & 0x02) >> 1));
 
 			/* I3 2D mouse side buttons */
-			if (wacom->features->type == INTUOS3) {
+			if (wacom->features->type >= INTUOS3S && wacom->features->type <= INTUOS3L) {
 				wacom_report_key(wcombo, BTN_SIDE,   data[8] & 0x40);
 				wacom_report_key(wcombo, BTN_EXTRA,  data[8] & 0x20);
 			}
 
-		} else if (wacom->features->type < INTUOS3) {
+		} else if (wacom->features->type < INTUOS3S || wacom->features->type == INTUOS3L) {
 			/* Lens cursor packets */
 			wacom_report_key(wcombo, BTN_LEFT,   data[8] & 0x01);
 			wacom_report_key(wcombo, BTN_MIDDLE, data[8] & 0x02);
@@ -490,6 +496,7 @@ int wacom_wac_irq(struct wacom_wac *wacom_wac, void *wcombo)
 			return (wacom_ptu_irq(wacom_wac, wcombo));
 			break;
 		case INTUOS:
+		case INTUOS3S:
 		case INTUOS3:
 		case INTUOS3L:
 		case CINTIQ:
@@ -515,6 +522,8 @@ void wacom_init_input_dev(struct input_dev *input_dev, struct wacom_wac *wacom_w
 		case CINTIQ:
 			input_dev_i3(input_dev, wacom_wac);
 			/* fall through */
+		case INTUOS3S:
+			input_dev_i3s(input_dev, wacom_wac);
 		case INTUOS:
 			input_dev_i(input_dev, wacom_wac);
 			break;
@@ -530,49 +539,50 @@ void wacom_init_input_dev(struct input_dev *input_dev, struct wacom_wac *wacom_w
 }
 
 static struct wacom_features wacom_features[] = {
-	{ "Wacom Penpartner",    7,   5040,  3780,  255, 32, PENPARTNER,	wacom_sys_irq },
-        { "Wacom Graphire",      8,  10206,  7422,  511, 32, GRAPHIRE,	wacom_sys_irq },
-	{ "Wacom Graphire2 4x5", 8,  10206,  7422,  511, 32, GRAPHIRE,	wacom_sys_irq },
-	{ "Wacom Graphire2 5x7", 8,  13918, 10206,  511, 32, GRAPHIRE,	wacom_sys_irq },
-	{ "Wacom Graphire3",     8,  10208,  7424,  511, 32, GRAPHIRE,	wacom_sys_irq },
-	{ "Wacom Graphire3 6x8", 8,  16704, 12064,  511, 32, GRAPHIRE,	wacom_sys_irq },
-	{ "Wacom Graphire4 4x5", 8,  10208,  7424,  511, 32, WACOM_G4,	wacom_sys_irq },
-	{ "Wacom Graphire4 6x8", 8,  16704, 12064,  511, 32, WACOM_G4,	wacom_sys_irq },
-	{ "Wacom Volito",        8,   5104,  3712,  511, 32, GRAPHIRE,	wacom_sys_irq },
-	{ "Wacom PenStation2",   8,   3250,  2320,  255, 32, GRAPHIRE,	wacom_sys_irq },
-	{ "Wacom Volito2 4x5",   8,   5104,  3712,  511, 32, GRAPHIRE,	wacom_sys_irq },
-	{ "Wacom Volito2 2x3",   8,   3248,  2320,  511, 32, GRAPHIRE,	wacom_sys_irq },
-	{ "Wacom PenPartner2",   8,   3250,  2320,  255, 32, GRAPHIRE,	wacom_sys_irq },
-	{ "Wacom Intuos 4x5",   10,  12700, 10600, 1023, 15, INTUOS,	wacom_sys_irq},
-	{ "Wacom Intuos 6x8",   10,  20320, 16240, 1023, 15, INTUOS,	wacom_sys_irq },
-	{ "Wacom Intuos 9x12",  10,  30480, 24060, 1023, 15, INTUOS,	wacom_sys_irq },
-	{ "Wacom Intuos 12x12", 10,  30480, 31680, 1023, 15, INTUOS,	wacom_sys_irq },
-	{ "Wacom Intuos 12x18", 10,  45720, 31680, 1023, 15, INTUOS,	wacom_sys_irq},
-	{ "Wacom PL400",         8,   5408,  4056,  255, 32, PL,	wacom_sys_irq },
-	{ "Wacom PL500",         8,   6144,  4608,  255, 32, PL,	wacom_sys_irq },
-	{ "Wacom PL600",         8,   6126,  4604,  255, 32, PL,	wacom_sys_irq },
-	{ "Wacom PL600SX",       8,   6260,  5016,  255, 32, PL,	wacom_sys_irq },
-	{ "Wacom PL550",         8,   6144,  4608,  511, 32, PL,	wacom_sys_irq },
-	{ "Wacom PL800",         8,   7220,  5780,  511, 32, PL,	wacom_sys_irq },
-	{ "Wacom PL700",         8,   6758,  5406,  511, 32, PL,	wacom_sys_irq },
-	{ "Wacom PL510",         8,   6282,  4762,  511, 32, PL,	wacom_sys_irq },
-	{ "Wacom DTU710",        8,  34080, 27660,  511, 32, PL,	wacom_sys_irq },
-	{ "Wacom DTF521",        8,   6282,  4762,  511, 32, PL,	wacom_sys_irq },
-	{ "Wacom DTF720",        8,   6858,  5506,  511, 32, PL,	wacom_sys_irq },
-	{ "Wacom Cintiq Partner",8,  20480, 15360,  511, 32, PTU,	wacom_sys_irq },
-	{ "Wacom Intuos2 4x5",   10, 12700, 10600, 1023, 15, INTUOS,	wacom_sys_irq },
-	{ "Wacom Intuos2 6x8",   10, 20320, 16240, 1023, 15, INTUOS,	wacom_sys_irq },
-	{ "Wacom Intuos2 9x12",  10, 30480, 24060, 1023, 15, INTUOS,	wacom_sys_irq },
-	{ "Wacom Intuos2 12x12", 10, 30480, 31680, 1023, 15, INTUOS,	wacom_sys_irq },
-	{ "Wacom Intuos2 12x18", 10, 45720, 31680, 1023, 15, INTUOS,	wacom_sys_irq },
-	{ "Wacom Intuos3 4x5",   10, 25400, 20320, 1023, 15, INTUOS3,	wacom_sys_irq },
-	{ "Wacom Intuos3 6x8",   10, 40640, 30480, 1023, 15, INTUOS3,	wacom_sys_irq },
-	{ "Wacom Intuos3 9x12",  10, 60960, 45720, 1023, 15, INTUOS3,	wacom_sys_irq },
-	{ "Wacom Intuos3 12x12", 10, 60960, 60960, 1023, 15, INTUOS3L,	wacom_sys_irq },
-	{ "Wacom Intuos3 12x19", 10, 97536, 60960, 1023, 15, INTUOS3L,	wacom_sys_irq },
-	{ "Wacom Intuos3 6x11",  10, 54204, 31750, 1023, 15, INTUOS3,	wacom_sys_irq },
-	{ "Wacom Cintiq 21UX",   10, 87200, 65600, 1023, 15, CINTIQ,	wacom_sys_irq },
-	{ "Wacom Intuos2 6x8",   10, 20320, 16240, 1023, 15, INTUOS,	wacom_sys_irq },
+	{ "Wacom Penpartner",    7,   5040,  3780,  255,  0, PENPARTNER },
+        { "Wacom Graphire",      8,  10206,  7422,  511, 63, GRAPHIRE },
+	{ "Wacom Graphire2 4x5", 8,  10206,  7422,  511, 63, GRAPHIRE },
+	{ "Wacom Graphire2 5x7", 8,  13918, 10206,  511, 63, GRAPHIRE },
+	{ "Wacom Graphire3",     8,  10208,  7424,  511, 63, GRAPHIRE },
+	{ "Wacom Graphire3 6x8", 8,  16704, 12064,  511, 63, GRAPHIRE },
+	{ "Wacom Graphire4 4x5", 8,  10208,  7424,  511, 63, WACOM_G4 },
+	{ "Wacom Graphire4 6x8", 8,  16704, 12064,  511, 63, WACOM_G4 },
+	{ "Wacom Volito",        8,   5104,  3712,  511,  0, GRAPHIRE },
+	{ "Wacom PenStation2",   8,   3250,  2320,  255,  0, GRAPHIRE },
+	{ "Wacom Volito2 4x5",   8,   5104,  3712,  511,  0, GRAPHIRE },
+	{ "Wacom Volito2 2x3",   8,   3248,  2320,  511,  0, GRAPHIRE },
+	{ "Wacom PenPartner2",   8,   3250,  2320,  255,  0, GRAPHIRE },
+	{ "Wacom Intuos 4x5",   10,  12700, 10600, 1023, 63, INTUOS },
+	{ "Wacom Intuos 6x8",   10,  20320, 16240, 1023, 63, INTUOS },
+	{ "Wacom Intuos 9x12",  10,  30480, 24060, 1023, 63, INTUOS },
+	{ "Wacom Intuos 12x12", 10,  30480, 31680, 1023, 63, INTUOS },
+	{ "Wacom Intuos 12x18", 10,  45720, 31680, 1023, 63, INTUOS },
+	{ "Wacom PL400",         8,   5408,  4056,  255,  0, PL },
+	{ "Wacom PL500",         8,   6144,  4608,  255,  0, PL },
+	{ "Wacom PL600",         8,   6126,  4604,  255,  0, PL },
+	{ "Wacom PL600SX",       8,   6260,  5016,  255,  0, PL },
+	{ "Wacom PL550",         8,   6144,  4608,  511,  0, PL },
+	{ "Wacom PL800",         8,   7220,  5780,  511,  0, PL },
+	{ "Wacom PL700",         8,   6758,  5406,  511,  0, PL },
+	{ "Wacom PL510",         8,   6282,  4762,  511,  0, PL },
+	{ "Wacom DTU710",        8,  34080, 27660,  511,  0, PL },
+	{ "Wacom DTF521",        8,   6282,  4762,  511,  0, PL },
+	{ "Wacom DTF720",        8,   6858,  5506,  511,  0, PL },
+	{ "Wacom Cintiq Partner",8,  20480, 15360,  511,  0, PTU },
+	{ "Wacom Intuos2 4x5",   10, 12700, 10600, 1023, 63, INTUOS },
+	{ "Wacom Intuos2 6x8",   10, 20320, 16240, 1023, 63, INTUOS },
+	{ "Wacom Intuos2 9x12",  10, 30480, 24060, 1023, 63, INTUOS },
+	{ "Wacom Intuos2 12x12", 10, 30480, 31680, 1023, 63, INTUOS },
+	{ "Wacom Intuos2 12x18", 10, 45720, 31680, 1023, 63, INTUOS },
+	{ "Wacom Intuos3 4x5",   10, 25400, 20320, 1023, 63, INTUOS3S },
+	{ "Wacom Intuos3 6x8",   10, 40640, 30480, 1023, 63, INTUOS3 },
+	{ "Wacom Intuos3 9x12",  10, 60960, 45720, 1023, 63, INTUOS3 },
+	{ "Wacom Intuos3 12x12", 10, 60960, 60960, 1023, 63, INTUOS3L },
+	{ "Wacom Intuos3 12x19", 10, 97536, 60960, 1023, 63, INTUOS3L },
+	{ "Wacom Intuos3 6x11",  10, 54204, 31750, 1023, 63, INTUOS3 },
+	{ "Wacom Intuos3 4x6",   10, 31496, 19685, 1023, 15, INTUOS3S },
+	{ "Wacom Cintiq 21UX",   10, 87200, 65600, 1023, 63, CINTIQ },
+	{ "Wacom Intuos2 6x8",   10, 20320, 16240, 1023, 63, INTUOS },
 	{ }
 };
 
@@ -618,6 +628,7 @@ static struct usb_device_id wacom_ids[] = {
 	{ USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB3) },
 	{ USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB4) },
 	{ USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB5) },
+	{ USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB7) },
 	{ USB_DEVICE(USB_VENDOR_ID_WACOM, 0x3F) },
 	{ USB_DEVICE(USB_VENDOR_ID_WACOM, 0x47) },
 	{ }
diff --git a/drivers/usb/input/wacom_wac.h b/drivers/usb/input/wacom_wac.h
index ceae7bf59d9..a1d9ce00797 100644
--- a/drivers/usb/input/wacom_wac.h
+++ b/drivers/usb/input/wacom_wac.h
@@ -20,6 +20,7 @@ enum {
 	PTU,
 	PL,
 	INTUOS,
+	INTUOS3S,
 	INTUOS3,
 	INTUOS3L,
 	CINTIQ,
@@ -34,7 +35,6 @@ struct wacom_features {
 	int pressure_max;
 	int distance_max;
 	int type;
-	usb_complete_t irq;
 };
 
 struct wacom_wac {
diff --git a/drivers/usb/input/xpad.c b/drivers/usb/input/xpad.c
index cebb6c463bf..6a12a943b93 100644
--- a/drivers/usb/input/xpad.c
+++ b/drivers/usb/input/xpad.c
@@ -1,8 +1,9 @@
 /*
- * X-Box gamepad - v0.0.5
+ * X-Box gamepad - v0.0.6
  *
  * Copyright (c) 2002 Marko Friedemann <mfr@bmx-chemnitz.de>
- *
+ *               2005 Dominic Cerquetti <binary1230@yahoo.com>
+ *               2006 Adam Buchbinder <adam.buchbinder@gmail.com>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
@@ -30,9 +31,10 @@
  *  - Greg Kroah-Hartman - usb-skeleton driver
  *
  * TODO:
- *  - fine tune axes
+ *  - fine tune axes (especially trigger axes)
  *  - fix "analog" buttons (reported as digital now)
  *  - get rumble working
+ *  - need USB IDs for other dance pads
  *
  * History:
  *
@@ -57,25 +59,40 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/slab.h>
+#include <linux/stat.h>
 #include <linux/module.h>
+#include <linux/moduleparam.h>
 #include <linux/smp_lock.h>
 #include <linux/usb/input.h>
 
-#define DRIVER_VERSION "v0.0.5"
+#define DRIVER_VERSION "v0.0.6"
 #define DRIVER_AUTHOR "Marko Friedemann <mfr@bmx-chemnitz.de>"
 #define DRIVER_DESC "X-Box pad driver"
 
 #define XPAD_PKT_LEN 32
 
+/* xbox d-pads should map to buttons, as is required for DDR pads
+   but we map them to axes when possible to simplify things */
+#define MAP_DPAD_TO_BUTTONS    0
+#define MAP_DPAD_TO_AXES       1
+#define MAP_DPAD_UNKNOWN       -1
+
+static int dpad_to_buttons;
+module_param(dpad_to_buttons, bool, S_IRUGO);
+MODULE_PARM_DESC(dpad_to_buttons, "Map D-PAD to buttons rather than axes for unknown pads");
+
 static const struct xpad_device {
 	u16 idVendor;
 	u16 idProduct;
 	char *name;
+	u8 dpad_mapping;
 } xpad_device[] = {
-	{ 0x045e, 0x0202, "Microsoft X-Box pad (US)" },
-	{ 0x045e, 0x0285, "Microsoft X-Box pad (Japan)" },
-	{ 0x05fd, 0x107a, "InterAct 'PowerPad Pro' X-Box pad (Germany)" },
-	{ 0x0000, 0x0000, "X-Box pad" }
+	{ 0x045e, 0x0202, "Microsoft X-Box pad v1 (US)", MAP_DPAD_TO_AXES },
+	{ 0x045e, 0x0289, "Microsoft X-Box pad v2 (US)", MAP_DPAD_TO_AXES },
+	{ 0x045e, 0x0285, "Microsoft X-Box pad (Japan)", MAP_DPAD_TO_AXES },
+	{ 0x05fd, 0x107a, "InterAct 'PowerPad Pro' X-Box pad (Germany)", MAP_DPAD_TO_AXES },
+	{ 0x0c12, 0x8809, "RedOctane Xbox Dance Pad", MAP_DPAD_TO_BUTTONS },
+	{ 0x0000, 0x0000, "Generic X-Box pad", MAP_DPAD_UNKNOWN }
 };
 
 static const signed short xpad_btn[] = {
@@ -84,11 +101,23 @@ static const signed short xpad_btn[] = {
 	-1						/* terminating entry */
 };
 
+/* only used if MAP_DPAD_TO_BUTTONS */
+static const signed short xpad_btn_pad[] = {
+	BTN_LEFT, BTN_RIGHT,		/* d-pad left, right */
+	BTN_0, BTN_1,			/* d-pad up, down (XXX names??) */
+	-1				/* terminating entry */
+};
+
 static const signed short xpad_abs[] = {
 	ABS_X, ABS_Y,		/* left stick */
 	ABS_RX, ABS_RY,		/* right stick */
 	ABS_Z, ABS_RZ,		/* triggers left/right */
-	ABS_HAT0X, ABS_HAT0Y,	/* digital pad */
+	-1			/* terminating entry */
+};
+
+/* only used if MAP_DPAD_TO_AXES */
+static const signed short xpad_abs_pad[] = {
+	ABS_HAT0X, ABS_HAT0Y,	/* d-pad axes */
 	-1			/* terminating entry */
 };
 
@@ -100,14 +129,16 @@ static struct usb_device_id xpad_table [] = {
 MODULE_DEVICE_TABLE (usb, xpad_table);
 
 struct usb_xpad {
-	struct input_dev *dev;			/* input device interface */
-	struct usb_device *udev;		/* usb device */
+	struct input_dev *dev;		/* input device interface */
+	struct usb_device *udev;	/* usb device */
 
-	struct urb *irq_in;			/* urb for interrupt in report */
-	unsigned char *idata;			/* input data */
+	struct urb *irq_in;		/* urb for interrupt in report */
+	unsigned char *idata;		/* input data */
 	dma_addr_t idata_dma;
 
-	char phys[65];				/* physical device path */
+	char phys[65];			/* physical device path */
+
+	int dpad_mapping;		/* map d-pad to buttons or to axes */
 };
 
 /*
@@ -137,14 +168,21 @@ static void xpad_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *d
 	input_report_abs(dev, ABS_RZ, data[11]);
 
 	/* digital pad */
-	input_report_abs(dev, ABS_HAT0X, !!(data[2] & 0x08) - !!(data[2] & 0x04));
-	input_report_abs(dev, ABS_HAT0Y, !!(data[2] & 0x02) - !!(data[2] & 0x01));
+	if (xpad->dpad_mapping == MAP_DPAD_TO_AXES) {
+		input_report_abs(dev, ABS_HAT0X, !!(data[2] & 0x08) - !!(data[2] & 0x04));
+		input_report_abs(dev, ABS_HAT0Y, !!(data[2] & 0x02) - !!(data[2] & 0x01));
+	} else /* xpad->dpad_mapping == MAP_DPAD_TO_BUTTONS */ {
+		input_report_key(dev, BTN_LEFT,  data[2] & 0x04);
+		input_report_key(dev, BTN_RIGHT, data[2] & 0x08);
+		input_report_key(dev, BTN_0,     data[2] & 0x01); // up
+		input_report_key(dev, BTN_1,     data[2] & 0x02); // down
+	}
 
 	/* start/back buttons and stick press left/right */
-	input_report_key(dev, BTN_START, (data[2] & 0x10) >> 4);
-	input_report_key(dev, BTN_BACK, (data[2] & 0x20) >> 5);
-	input_report_key(dev, BTN_THUMBL, (data[2] & 0x40) >> 6);
-	input_report_key(dev, BTN_THUMBR, data[2] >> 7);
+	input_report_key(dev, BTN_START,  data[2] & 0x10);
+	input_report_key(dev, BTN_BACK,   data[2] & 0x20);
+	input_report_key(dev, BTN_THUMBL, data[2] & 0x40);
+	input_report_key(dev, BTN_THUMBR, data[2] & 0x80);
 
 	/* "analog" buttons A, B, X, Y */
 	input_report_key(dev, BTN_A, data[4]);
@@ -206,6 +244,28 @@ static void xpad_close (struct input_dev *dev)
 	usb_kill_urb(xpad->irq_in);
 }
 
+static void xpad_set_up_abs(struct input_dev *input_dev, signed short abs)
+{
+	set_bit(abs, input_dev->absbit);
+
+	switch (abs) {
+	case ABS_X:
+	case ABS_Y:
+	case ABS_RX:
+	case ABS_RY:	/* the two sticks */
+		input_set_abs_params(input_dev, abs, -32768, 32767, 16, 128);
+		break;
+	case ABS_Z:
+	case ABS_RZ:	/* the triggers */
+		input_set_abs_params(input_dev, abs, 0, 255, 0, 0);
+		break;
+	case ABS_HAT0X:
+	case ABS_HAT0Y:	/* the d-pad (only if MAP_DPAD_TO_AXES) */
+		input_set_abs_params(input_dev, abs, -1, 1, 0, 0);
+		break;
+	}
+}
+
 static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id)
 {
 	struct usb_device *udev = interface_to_usbdev (intf);
@@ -235,6 +295,9 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
 		goto fail2;
 
 	xpad->udev = udev;
+	xpad->dpad_mapping = xpad_device[i].dpad_mapping;
+	if (xpad->dpad_mapping == MAP_DPAD_UNKNOWN)
+		xpad->dpad_mapping = dpad_to_buttons;
 	xpad->dev = input_dev;
 	usb_make_path(udev, xpad->phys, sizeof(xpad->phys));
 	strlcat(xpad->phys, "/input0", sizeof(xpad->phys));
@@ -249,32 +312,19 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
 
 	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
 
+	/* set up buttons */
 	for (i = 0; xpad_btn[i] >= 0; i++)
 		set_bit(xpad_btn[i], input_dev->keybit);
+	if (xpad->dpad_mapping == MAP_DPAD_TO_BUTTONS)
+		for (i = 0; xpad_btn_pad[i] >= 0; i++)
+			set_bit(xpad_btn_pad[i], input_dev->keybit);
 
-	for (i = 0; xpad_abs[i] >= 0; i++) {
-
-		signed short t = xpad_abs[i];
-
-		set_bit(t, input_dev->absbit);
-
-		switch (t) {
-			case ABS_X:
-			case ABS_Y:
-			case ABS_RX:
-			case ABS_RY:	/* the two sticks */
-				input_set_abs_params(input_dev, t, -32768, 32767, 16, 128);
-				break;
-			case ABS_Z:
-			case ABS_RZ:	/* the triggers */
-				input_set_abs_params(input_dev, t, 0, 255, 0, 0);
-				break;
-			case ABS_HAT0X:
-			case ABS_HAT0Y:	/* the d-pad */
-				input_set_abs_params(input_dev, t, -1, 1, 0, 0);
-				break;
-		}
-	}
+	/* set up axes */
+	for (i = 0; xpad_abs[i] >= 0; i++)
+		xpad_set_up_abs(input_dev, xpad_abs[i]);
+	if (xpad->dpad_mapping == MAP_DPAD_TO_AXES)
+		for (i = 0; xpad_abs_pad[i] >= 0; i++)
+		    xpad_set_up_abs(input_dev, xpad_abs_pad[i]);
 
 	ep_irq_in = &intf->cur_altsetting->endpoint[0].desc;
 	usb_fill_int_urb(xpad->irq_in, udev,
@@ -305,7 +355,8 @@ static void xpad_disconnect(struct usb_interface *intf)
 		usb_kill_urb(xpad->irq_in);
 		input_unregister_device(xpad->dev);
 		usb_free_urb(xpad->irq_in);
-		usb_buffer_free(interface_to_usbdev(intf), XPAD_PKT_LEN, xpad->idata, xpad->idata_dma);
+		usb_buffer_free(interface_to_usbdev(intf), XPAD_PKT_LEN,
+				xpad->idata, xpad->idata_dma);
 		kfree(xpad);
 	}
 }
diff --git a/drivers/usb/misc/Kconfig b/drivers/usb/misc/Kconfig
index c29658f69e2..a74bf8617e7 100644
--- a/drivers/usb/misc/Kconfig
+++ b/drivers/usb/misc/Kconfig
@@ -223,6 +223,16 @@ config USB_LD
 	  To compile this driver as a module, choose M here: the
 	  module will be called ldusb.
 
+config USB_TRANCEVIBRATOR
+	tristate "PlayStation 2 Trance Vibrator driver support"
+	depends on USB
+	help
+	  Say Y here if you want to connect a PlayStation 2 Trance Vibrator
+	  device to your computer's USB port.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called trancevibrator.
+
 config USB_TEST
 	tristate "USB testing driver (DEVELOPMENT)"
 	depends on USB && USB_DEVICEFS && EXPERIMENTAL
diff --git a/drivers/usb/misc/Makefile b/drivers/usb/misc/Makefile
index 2be70fa259b..11dc59540cd 100644
--- a/drivers/usb/misc/Makefile
+++ b/drivers/usb/misc/Makefile
@@ -21,6 +21,7 @@ obj-$(CONFIG_USB_PHIDGETMOTORCONTROL)	+= phidgetmotorcontrol.o
 obj-$(CONFIG_USB_PHIDGETSERVO)	+= phidgetservo.o
 obj-$(CONFIG_USB_RIO500)	+= rio500.o
 obj-$(CONFIG_USB_TEST)		+= usbtest.o
+obj-$(CONFIG_USB_TRANCEVIBRATOR)	+= trancevibrator.o
 obj-$(CONFIG_USB_USS720)	+= uss720.o
 
 obj-$(CONFIG_USB_SISUSBVGA)	+= sisusbvga/
diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c
index aecd633fe9f..af2934e016a 100644
--- a/drivers/usb/misc/adutux.c
+++ b/drivers/usb/misc/adutux.c
@@ -370,7 +370,8 @@ static int adu_release(struct inode *inode, struct file *file)
 	retval = adu_release_internal(dev);
 
 exit:
-	up(&dev->sem);
+	if (dev)
+		up(&dev->sem);
 	dbg(2," %s : leave, return value %d", __FUNCTION__, retval);
 	return retval;
 }
diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c
index 0eb26a26115..9b591b8b936 100644
--- a/drivers/usb/misc/ftdi-elan.c
+++ b/drivers/usb/misc/ftdi-elan.c
@@ -513,8 +513,6 @@ static void ftdi_elan_respond_work(void *data)
                         ftdi->disconnected += 1;
                 } else if (retval == -ENODEV) {
                         ftdi->disconnected += 1;
-                } else if (retval == -ENODEV) {
-                        ftdi->disconnected += 1;
                 } else if (retval == -EILSEQ) {
                         ftdi->disconnected += 1;
                 } else {
@@ -1186,11 +1184,8 @@ static ssize_t ftdi_elan_write(struct file *file,
         int retval = 0;
         struct urb *urb;
         char *buf;
-        char data[30 *3 + 4];
-        char *d = data;
-        const char __user *s = user_buffer;
-        int m = (sizeof(data) - 1) / 3;
-        struct usb_ftdi *ftdi = (struct usb_ftdi *)file->private_data;
+        struct usb_ftdi *ftdi = file->private_data;
+
         if (ftdi->disconnected > 0) {
                 return -ENODEV;
         }
@@ -1220,27 +1215,18 @@ static ssize_t ftdi_elan_write(struct file *file,
         if (retval) {
                 dev_err(&ftdi->udev->dev, "failed submitting write urb, error %"
                         "d\n", retval);
-                goto error_4;
+                goto error_3;
         }
         usb_free_urb(urb);
-      exit:;
-        if (count > m) {
-                int I = m - 1;
-                while (I-- > 0) {
-                        d += sprintf(d, " %02X", 0x000000FF & *s++);
-                }
-                d += sprintf(d, " ..");
-        } else {
-                int I = count;
-                while (I-- > 0) {
-                        d += sprintf(d, " %02X", 0x000000FF & *s++);
-                }
-        }
+
+exit:
         return count;
-      error_4: error_3:usb_buffer_free(ftdi->udev, count, buf,
-              urb->transfer_dma);
-      error_2:usb_free_urb(urb);
-      error_1:return retval;
+error_3:
+	usb_buffer_free(ftdi->udev, count, buf, urb->transfer_dma);
+error_2:
+	usb_free_urb(urb);
+error_1:
+	return retval;
 }
 
 static struct file_operations ftdi_elan_fops = {
diff --git a/drivers/usb/input/trancevibrator.c b/drivers/usb/misc/trancevibrator.c
index 33cd91d11ec..33cd91d11ec 100644
--- a/drivers/usb/input/trancevibrator.c
+++ b/drivers/usb/misc/trancevibrator.c
diff --git a/drivers/usb/net/Kconfig b/drivers/usb/net/Kconfig
index 054059632a2..454a186b64a 100644
--- a/drivers/usb/net/Kconfig
+++ b/drivers/usb/net/Kconfig
@@ -207,6 +207,14 @@ config USB_NET_PLUSB
 	  Choose this option if you're using a host-to-host cable
 	  with one of these chips.
 
+config USB_NET_MCS7830
+	tristate "MosChip MCS7830 based Ethernet adapters"
+	depends on USB_USBNET
+	help
+	  Choose this option if you're using a 10/100 Ethernet USB2
+	  adapter based on the MosChip 7830 controller. This includes
+	  adapters marketed under the DeLOCK brand.
+
 config USB_NET_RNDIS_HOST
 	tristate "Host for RNDIS devices (EXPERIMENTAL)"
 	depends on USB_USBNET && EXPERIMENTAL
diff --git a/drivers/usb/net/Makefile b/drivers/usb/net/Makefile
index 160f19dbdf1..7b51964de17 100644
--- a/drivers/usb/net/Makefile
+++ b/drivers/usb/net/Makefile
@@ -14,6 +14,7 @@ obj-$(CONFIG_USB_NET_PLUSB)	+= plusb.o
 obj-$(CONFIG_USB_NET_RNDIS_HOST)	+= rndis_host.o
 obj-$(CONFIG_USB_NET_CDC_SUBSET)	+= cdc_subset.o
 obj-$(CONFIG_USB_NET_ZAURUS)	+= zaurus.o
+obj-$(CONFIG_USB_NET_MCS7830)	+= mcs7830.o
 obj-$(CONFIG_USB_USBNET)	+= usbnet.o
 
 ifeq ($(CONFIG_USB_DEBUG),y)
diff --git a/drivers/usb/net/asix.c b/drivers/usb/net/asix.c
index c73dd224aa7..881841e600d 100644
--- a/drivers/usb/net/asix.c
+++ b/drivers/usb/net/asix.c
@@ -569,10 +569,12 @@ static int asix_mdio_read(struct net_device *netdev, int phy_id, int loc)
 	struct usbnet *dev = netdev_priv(netdev);
 	u16 res;
 
+	mutex_lock(&dev->phy_mutex);
 	asix_set_sw_mii(dev);
 	asix_read_cmd(dev, AX_CMD_READ_MII_REG, phy_id,
 				(__u16)loc, 2, (u16 *)&res);
 	asix_set_hw_mii(dev);
+	mutex_unlock(&dev->phy_mutex);
 
 	devdbg(dev, "asix_mdio_read() phy_id=0x%02x, loc=0x%02x, returns=0x%04x", phy_id, loc, le16_to_cpu(res & 0xffff));
 
@@ -586,10 +588,12 @@ asix_mdio_write(struct net_device *netdev, int phy_id, int loc, int val)
 	u16 res = cpu_to_le16(val);
 
 	devdbg(dev, "asix_mdio_write() phy_id=0x%02x, loc=0x%02x, val=0x%04x", phy_id, loc, val);
+	mutex_lock(&dev->phy_mutex);
 	asix_set_sw_mii(dev);
 	asix_write_cmd(dev, AX_CMD_WRITE_MII_REG, phy_id,
 				(__u16)loc, 2, (u16 *)&res);
 	asix_set_hw_mii(dev);
+	mutex_unlock(&dev->phy_mutex);
 }
 
 /* Get the PHY Identifier from the PHYSID1 & PHYSID2 MII registers */
@@ -700,32 +704,6 @@ static void asix_get_drvinfo (struct net_device *net,
 	info->eedump_len = data->eeprom_len;
 }
 
-static int asix_get_settings(struct net_device *net, struct ethtool_cmd *cmd)
-{
-	struct usbnet *dev = netdev_priv(net);
-
-	return mii_ethtool_gset(&dev->mii,cmd);
-}
-
-static int asix_set_settings(struct net_device *net, struct ethtool_cmd *cmd)
-{
-	struct usbnet *dev = netdev_priv(net);
-	int res = mii_ethtool_sset(&dev->mii,cmd);
-
-	/* link speed/duplex might have changed */
-	if (dev->driver_info->link_reset)
-		dev->driver_info->link_reset(dev);
-
-	return res;
-}
-
-static int asix_nway_reset(struct net_device *net)
-{
-	struct usbnet *dev = netdev_priv(net);
-
-	return mii_nway_restart(&dev->mii);
-}
-
 static u32 asix_get_link(struct net_device *net)
 {
 	struct usbnet *dev = netdev_priv(net);
@@ -746,15 +724,15 @@ static int asix_ioctl (struct net_device *net, struct ifreq *rq, int cmd)
 static struct ethtool_ops ax88172_ethtool_ops = {
 	.get_drvinfo		= asix_get_drvinfo,
 	.get_link		= asix_get_link,
-	.nway_reset		= asix_nway_reset,
 	.get_msglevel		= usbnet_get_msglevel,
 	.set_msglevel		= usbnet_set_msglevel,
 	.get_wol		= asix_get_wol,
 	.set_wol		= asix_set_wol,
 	.get_eeprom_len		= asix_get_eeprom_len,
 	.get_eeprom		= asix_get_eeprom,
-	.get_settings		= asix_get_settings,
-	.set_settings		= asix_set_settings,
+	.get_settings		= usbnet_get_settings,
+	.set_settings		= usbnet_set_settings,
+	.nway_reset		= usbnet_nway_reset,
 };
 
 static void ax88172_set_multicast(struct net_device *net)
@@ -885,15 +863,15 @@ out1:
 static struct ethtool_ops ax88772_ethtool_ops = {
 	.get_drvinfo		= asix_get_drvinfo,
 	.get_link		= asix_get_link,
-	.nway_reset		= asix_nway_reset,
 	.get_msglevel		= usbnet_get_msglevel,
 	.set_msglevel		= usbnet_set_msglevel,
 	.get_wol		= asix_get_wol,
 	.set_wol		= asix_set_wol,
 	.get_eeprom_len		= asix_get_eeprom_len,
 	.get_eeprom		= asix_get_eeprom,
-	.get_settings		= asix_get_settings,
-	.set_settings		= asix_set_settings,
+	.get_settings		= usbnet_get_settings,
+	.set_settings		= usbnet_set_settings,
+	.nway_reset		= usbnet_nway_reset,
 };
 
 static int ax88772_link_reset(struct usbnet *dev)
@@ -1046,15 +1024,15 @@ out1:
 static struct ethtool_ops ax88178_ethtool_ops = {
 	.get_drvinfo		= asix_get_drvinfo,
 	.get_link		= asix_get_link,
-	.nway_reset		= asix_nway_reset,
 	.get_msglevel		= usbnet_get_msglevel,
 	.set_msglevel		= usbnet_set_msglevel,
 	.get_wol		= asix_get_wol,
 	.set_wol		= asix_set_wol,
 	.get_eeprom_len		= asix_get_eeprom_len,
 	.get_eeprom		= asix_get_eeprom,
-	.get_settings		= asix_get_settings,
-	.set_settings		= asix_set_settings,
+	.get_settings		= usbnet_get_settings,
+	.set_settings		= usbnet_set_settings,
+	.nway_reset		= usbnet_nway_reset,
 };
 
 static int marvell_phy_init(struct usbnet *dev)
diff --git a/drivers/usb/net/cdc_ether.c b/drivers/usb/net/cdc_ether.c
index 82ce0358d9a..f6971b88349 100644
--- a/drivers/usb/net/cdc_ether.c
+++ b/drivers/usb/net/cdc_ether.c
@@ -498,7 +498,7 @@ static struct usb_driver cdc_driver = {
 
 static int __init cdc_init(void)
 {
-	BUG_ON((sizeof(((struct usbnet *)0)->data)
+	BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data)
 			< sizeof(struct cdc_state)));
 
  	return usb_register(&cdc_driver);
diff --git a/drivers/usb/net/kaweth.c b/drivers/usb/net/kaweth.c
index 957d4ad316f..7c906a43e49 100644
--- a/drivers/usb/net/kaweth.c
+++ b/drivers/usb/net/kaweth.c
@@ -65,16 +65,6 @@
 
 #undef DEBUG
 
-#ifdef DEBUG
-#define kaweth_dbg(format, arg...) printk(KERN_DEBUG __FILE__ ": " format "\n" ,##arg)
-#else
-#define kaweth_dbg(format, arg...) do {} while (0)
-#endif
-#define kaweth_err(format, arg...) printk(KERN_ERR __FILE__ ": " format "\n" ,##arg)
-#define kaweth_info(format, arg...) printk(KERN_INFO __FILE__ ": " format "\n" , ##arg)
-#define kaweth_warn(format, arg...) printk(KERN_WARNING __FILE__ ": " format "\n" , ##arg)
-
-
 #include "kawethfw.h"
 
 #define KAWETH_MTU			1514
@@ -86,6 +76,9 @@
 
 #define KAWETH_STATUS_BROKEN		0x0000001
 #define KAWETH_STATUS_CLOSING		0x0000002
+#define KAWETH_STATUS_SUSPENDING	0x0000004
+
+#define KAWETH_STATUS_BLOCKED (KAWETH_STATUS_CLOSING | KAWETH_STATUS_SUSPENDING)
 
 #define KAWETH_PACKET_FILTER_PROMISCUOUS	0x01
 #define KAWETH_PACKET_FILTER_ALL_MULTICAST	0x02
@@ -112,6 +105,8 @@
 #define STATE_MASK				0x40
 #define	STATE_SHIFT				5
 
+#define IS_BLOCKED(s) (s & KAWETH_STATUS_BLOCKED)
+
 
 MODULE_AUTHOR("Michael Zappe <zapman@interlan.net>, Stephane Alnet <stephane@u-picardie.fr>, Brad Hards <bhards@bigpond.net.au> and Oliver Neukum <oliver@neukum.org>");
 MODULE_DESCRIPTION("KL5USB101 USB Ethernet driver");
@@ -128,6 +123,8 @@ static int kaweth_internal_control_msg(struct usb_device *usb_dev,
 				       unsigned int pipe,
 				       struct usb_ctrlrequest *cmd, void *data,
 				       int len, int timeout);
+static int kaweth_suspend(struct usb_interface *intf, pm_message_t message);
+static int kaweth_resume(struct usb_interface *intf);
 
 /****************************************************************
  *     usb_device_id
@@ -179,6 +176,8 @@ static struct usb_driver kaweth_driver = {
 	.name =		driver_name,
 	.probe =	kaweth_probe,
 	.disconnect =	kaweth_disconnect,
+	.suspend =	kaweth_suspend,
+	.resume =	kaweth_resume,
 	.id_table =     usb_klsi_table,
 };
 
@@ -222,6 +221,7 @@ struct kaweth_device
 	int suspend_lowmem_rx;
 	int suspend_lowmem_ctrl;
 	int linkstate;
+	int opened;
 	struct work_struct lowmem_work;
 
 	struct usb_device *dev;
@@ -265,17 +265,17 @@ static int kaweth_control(struct kaweth_device *kaweth,
 {
 	struct usb_ctrlrequest *dr;
 
-	kaweth_dbg("kaweth_control()");
+	dbg("kaweth_control()");
 
 	if(in_interrupt()) {
-		kaweth_dbg("in_interrupt()");
+		dbg("in_interrupt()");
 		return -EBUSY;
 	}
 
 	dr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC);
 
 	if (!dr) {
-		kaweth_dbg("kmalloc() failed");
+		dbg("kmalloc() failed");
 		return -ENOMEM;
 	}
 
@@ -300,7 +300,7 @@ static int kaweth_read_configuration(struct kaweth_device *kaweth)
 {
 	int retval;
 
-	kaweth_dbg("Reading kaweth configuration");
+	dbg("Reading kaweth configuration");
 
 	retval = kaweth_control(kaweth,
 				usb_rcvctrlpipe(kaweth->dev, 0),
@@ -322,7 +322,7 @@ static int kaweth_set_urb_size(struct kaweth_device *kaweth, __u16 urb_size)
 {
 	int retval;
 
-	kaweth_dbg("Setting URB size to %d", (unsigned)urb_size);
+	dbg("Setting URB size to %d", (unsigned)urb_size);
 
 	retval = kaweth_control(kaweth,
 				usb_sndctrlpipe(kaweth->dev, 0),
@@ -344,7 +344,7 @@ static int kaweth_set_sofs_wait(struct kaweth_device *kaweth, __u16 sofs_wait)
 {
 	int retval;
 
-	kaweth_dbg("Set SOFS wait to %d", (unsigned)sofs_wait);
+	dbg("Set SOFS wait to %d", (unsigned)sofs_wait);
 
 	retval = kaweth_control(kaweth,
 				usb_sndctrlpipe(kaweth->dev, 0),
@@ -367,7 +367,7 @@ static int kaweth_set_receive_filter(struct kaweth_device *kaweth,
 {
 	int retval;
 
-	kaweth_dbg("Set receive filter to %d", (unsigned)receive_filter);
+	dbg("Set receive filter to %d", (unsigned)receive_filter);
 
 	retval = kaweth_control(kaweth,
 				usb_sndctrlpipe(kaweth->dev, 0),
@@ -392,7 +392,7 @@ static int kaweth_download_firmware(struct kaweth_device *kaweth,
 				    __u8 type)
 {
 	if(data_len > KAWETH_FIRMWARE_BUF_SIZE)	{
-		kaweth_err("Firmware too big: %d", data_len);
+		err("Firmware too big: %d", data_len);
 		return -ENOSPC;
 	}
 
@@ -403,13 +403,13 @@ static int kaweth_download_firmware(struct kaweth_device *kaweth,
 	kaweth->firmware_buf[4] = type;
 	kaweth->firmware_buf[5] = interrupt;
 
-	kaweth_dbg("High: %i, Low:%i", kaweth->firmware_buf[3],
+	dbg("High: %i, Low:%i", kaweth->firmware_buf[3],
 		   kaweth->firmware_buf[2]);
 
-	kaweth_dbg("Downloading firmware at %p to kaweth device at %p",
+	dbg("Downloading firmware at %p to kaweth device at %p",
 	    data,
 	    kaweth);
-	kaweth_dbg("Firmware length: %d", data_len);
+	dbg("Firmware length: %d", data_len);
 
 	return kaweth_control(kaweth,
 		              usb_sndctrlpipe(kaweth->dev, 0),
@@ -437,7 +437,7 @@ static int kaweth_trigger_firmware(struct kaweth_device *kaweth,
 	kaweth->firmware_buf[6] = 0x00;
 	kaweth->firmware_buf[7] = 0x00;
 
-	kaweth_dbg("Triggering firmware");
+	dbg("Triggering firmware");
 
 	return kaweth_control(kaweth,
 			      usb_sndctrlpipe(kaweth->dev, 0),
@@ -457,7 +457,7 @@ static int kaweth_reset(struct kaweth_device *kaweth)
 {
 	int result;
 
-	kaweth_dbg("kaweth_reset(%p)", kaweth);
+	dbg("kaweth_reset(%p)", kaweth);
 	result = kaweth_control(kaweth,
 				usb_sndctrlpipe(kaweth->dev, 0),
 				USB_REQ_SET_CONFIGURATION,
@@ -470,7 +470,7 @@ static int kaweth_reset(struct kaweth_device *kaweth)
 
 	mdelay(10);
 
-	kaweth_dbg("kaweth_reset() returns %d.",result);
+	dbg("kaweth_reset() returns %d.",result);
 
 	return result;
 }
@@ -534,7 +534,7 @@ static void kaweth_resubmit_tl(void *d)
 {
 	struct kaweth_device *kaweth = (struct kaweth_device *)d;
 
-	if (kaweth->status | KAWETH_STATUS_CLOSING)
+	if (IS_BLOCKED(kaweth->status))
 		return;
 
 	if (kaweth->suspend_lowmem_rx)
@@ -568,7 +568,7 @@ static int kaweth_resubmit_rx_urb(struct kaweth_device *kaweth,
 			kaweth->suspend_lowmem_rx = 1;
 			schedule_delayed_work(&kaweth->lowmem_work, HZ/4);
 		}
-		kaweth_err("resubmitting rx_urb %d failed", result);
+		err("resubmitting rx_urb %d failed", result);
 	} else {
 		kaweth->suspend_lowmem_rx = 0;
 	}
@@ -601,11 +601,15 @@ static void kaweth_usb_receive(struct urb *urb)
 		return;
 	}
 
-	if (kaweth->status & KAWETH_STATUS_CLOSING)
+	spin_lock(&kaweth->device_lock);
+	if (IS_BLOCKED(kaweth->status)) {
+		spin_unlock(&kaweth->device_lock);
 		return;
+	}
+	spin_unlock(&kaweth->device_lock);
 
 	if(urb->status && urb->status != -EREMOTEIO && count != 1) {
-		kaweth_err("%s RX status: %d count: %d packet_len: %d",
+		err("%s RX status: %d count: %d packet_len: %d",
                            net->name,
 			   urb->status,
 			   count,
@@ -616,9 +620,9 @@ static void kaweth_usb_receive(struct urb *urb)
 
 	if(kaweth->net && (count > 2)) {
 		if(pkt_len > (count - 2)) {
-			kaweth_err("Packet length too long for USB frame (pkt_len: %x, count: %x)",pkt_len, count);
-			kaweth_err("Packet len & 2047: %x", pkt_len & 2047);
-			kaweth_err("Count 2: %x", count2);
+			err("Packet length too long for USB frame (pkt_len: %x, count: %x)",pkt_len, count);
+			err("Packet len & 2047: %x", pkt_len & 2047);
+			err("Count 2: %x", count2);
 		        kaweth_resubmit_rx_urb(kaweth, GFP_ATOMIC);
                         return;
                 }
@@ -655,7 +659,7 @@ static int kaweth_open(struct net_device *net)
 	struct kaweth_device *kaweth = netdev_priv(net);
 	int res;
 
-	kaweth_dbg("Opening network device.");
+	dbg("Opening network device.");
 
 	res = kaweth_resubmit_rx_urb(kaweth, GFP_KERNEL);
 	if (res)
@@ -678,6 +682,7 @@ static int kaweth_open(struct net_device *net)
 		usb_kill_urb(kaweth->rx_urb);
 		return -EIO;
 	}
+	kaweth->opened = 1;
 
 	netif_start_queue(net);
 
@@ -688,14 +693,8 @@ static int kaweth_open(struct net_device *net)
 /****************************************************************
  *     kaweth_close
  ****************************************************************/
-static int kaweth_close(struct net_device *net)
+static void kaweth_kill_urbs(struct kaweth_device *kaweth)
 {
-	struct kaweth_device *kaweth = netdev_priv(net);
-
-	netif_stop_queue(net);
-
-	kaweth->status |= KAWETH_STATUS_CLOSING;
-
 	usb_kill_urb(kaweth->irq_urb);
 	usb_kill_urb(kaweth->rx_urb);
 	usb_kill_urb(kaweth->tx_urb);
@@ -706,6 +705,21 @@ static int kaweth_close(struct net_device *net)
 	   we hit them again */
 	usb_kill_urb(kaweth->irq_urb);
 	usb_kill_urb(kaweth->rx_urb);
+}
+
+/****************************************************************
+ *     kaweth_close
+ ****************************************************************/
+static int kaweth_close(struct net_device *net)
+{
+	struct kaweth_device *kaweth = netdev_priv(net);
+
+	netif_stop_queue(net);
+	kaweth->opened = 0;
+
+	kaweth->status |= KAWETH_STATUS_CLOSING;
+
+	kaweth_kill_urbs(kaweth);
 
 	kaweth->status &= ~KAWETH_STATUS_CLOSING;
 
@@ -732,7 +746,7 @@ static void kaweth_usb_transmit_complete(struct urb *urb)
 
 	if (unlikely(urb->status != 0))
 		if (urb->status != -ENOENT)
-			kaweth_dbg("%s: TX status %d.", kaweth->net->name, urb->status);
+			dbg("%s: TX status %d.", kaweth->net->name, urb->status);
 
 	netif_wake_queue(kaweth->net);
 	dev_kfree_skb_irq(skb);
@@ -752,6 +766,9 @@ static int kaweth_start_xmit(struct sk_buff *skb, struct net_device *net)
 
 	kaweth_async_set_rx_mode(kaweth);
 	netif_stop_queue(net);
+	if (IS_BLOCKED(kaweth->status)) {
+		goto skip;
+	}
 
 	/* We now decide whether we can put our special header into the sk_buff */
 	if (skb_cloned(skb) || skb_headroom(skb) < 2) {
@@ -783,7 +800,8 @@ static int kaweth_start_xmit(struct sk_buff *skb, struct net_device *net)
 
 	if((res = usb_submit_urb(kaweth->tx_urb, GFP_ATOMIC)))
 	{
-		kaweth_warn("kaweth failed tx_urb %d", res);
+		warn("kaweth failed tx_urb %d", res);
+skip:
 		kaweth->stats.tx_errors++;
 
 		netif_start_queue(net);
@@ -812,7 +830,7 @@ static void kaweth_set_rx_mode(struct net_device *net)
                                      KAWETH_PACKET_FILTER_BROADCAST |
 		                     KAWETH_PACKET_FILTER_MULTICAST;
 
-	kaweth_dbg("Setting Rx mode to %d", packet_filter_bitmap);
+	dbg("Setting Rx mode to %d", packet_filter_bitmap);
 
 	netif_stop_queue(net);
 
@@ -850,10 +868,10 @@ static void kaweth_async_set_rx_mode(struct kaweth_device *kaweth)
 				KAWETH_CONTROL_TIMEOUT);
 
 	if(result < 0) {
-		kaweth_err("Failed to set Rx mode: %d", result);
+		err("Failed to set Rx mode: %d", result);
 	}
 	else {
-		kaweth_dbg("Set Rx mode to %d", packet_filter_bitmap);
+		dbg("Set Rx mode to %d", packet_filter_bitmap);
 	}
 	}
 }
@@ -874,7 +892,7 @@ static void kaweth_tx_timeout(struct net_device *net)
 {
 	struct kaweth_device *kaweth = netdev_priv(net);
 
-	kaweth_warn("%s: Tx timed out. Resetting.", net->name);
+	warn("%s: Tx timed out. Resetting.", net->name);
 	kaweth->stats.tx_errors++;
 	net->trans_start = jiffies;
 
@@ -882,6 +900,42 @@ static void kaweth_tx_timeout(struct net_device *net)
 }
 
 /****************************************************************
+ *     kaweth_suspend
+ ****************************************************************/
+static int kaweth_suspend(struct usb_interface *intf, pm_message_t message)
+{
+	struct kaweth_device *kaweth = usb_get_intfdata(intf);
+	unsigned long flags;
+
+	spin_lock_irqsave(&kaweth->device_lock, flags);
+	kaweth->status |= KAWETH_STATUS_SUSPENDING;
+	spin_unlock_irqrestore(&kaweth->device_lock, flags);
+
+	kaweth_kill_urbs(kaweth);
+	return 0;
+}
+
+/****************************************************************
+ *     kaweth_resume
+ ****************************************************************/
+static int kaweth_resume(struct usb_interface *intf)
+{
+	struct kaweth_device *kaweth = usb_get_intfdata(intf);
+	unsigned long flags;
+
+	spin_lock_irqsave(&kaweth->device_lock, flags);
+	kaweth->status &= ~KAWETH_STATUS_SUSPENDING;
+	spin_unlock_irqrestore(&kaweth->device_lock, flags);
+
+	if (!kaweth->opened)
+		return 0;
+	kaweth_resubmit_rx_urb(kaweth, GFP_NOIO);
+	kaweth_resubmit_int_urb(kaweth, GFP_NOIO);
+
+	return 0;
+}
+
+/****************************************************************
  *     kaweth_probe
  ****************************************************************/
 static int kaweth_probe(
@@ -895,15 +949,15 @@ static int kaweth_probe(
 	const eth_addr_t bcast_addr = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
 	int result = 0;
 
-	kaweth_dbg("Kawasaki Device Probe (Device number:%d): 0x%4.4x:0x%4.4x:0x%4.4x",
+	dbg("Kawasaki Device Probe (Device number:%d): 0x%4.4x:0x%4.4x:0x%4.4x",
 		 dev->devnum,
 		 le16_to_cpu(dev->descriptor.idVendor),
 		 le16_to_cpu(dev->descriptor.idProduct),
 		 le16_to_cpu(dev->descriptor.bcdDevice));
 
-	kaweth_dbg("Device at %p", dev);
+	dbg("Device at %p", dev);
 
-	kaweth_dbg("Descriptor length: %x type: %x",
+	dbg("Descriptor length: %x type: %x",
 		 (int)dev->descriptor.bLength,
 		 (int)dev->descriptor.bDescriptorType);
 
@@ -918,7 +972,7 @@ static int kaweth_probe(
 	spin_lock_init(&kaweth->device_lock);
 	init_waitqueue_head(&kaweth->term_wait);
 
-	kaweth_dbg("Resetting.");
+	dbg("Resetting.");
 
 	kaweth_reset(kaweth);
 
@@ -928,17 +982,17 @@ static int kaweth_probe(
 	 */
 
 	if (le16_to_cpu(dev->descriptor.bcdDevice) >> 8) {
-		kaweth_info("Firmware present in device.");
+		info("Firmware present in device.");
 	} else {
 		/* Download the firmware */
-		kaweth_info("Downloading firmware...");
+		info("Downloading firmware...");
 		kaweth->firmware_buf = (__u8 *)__get_free_page(GFP_KERNEL);
 		if ((result = kaweth_download_firmware(kaweth,
 						      kaweth_new_code,
 						      len_kaweth_new_code,
 						      100,
 						      2)) < 0) {
-			kaweth_err("Error downloading firmware (%d)", result);
+			err("Error downloading firmware (%d)", result);
 			goto err_fw;
 		}
 
@@ -947,7 +1001,7 @@ static int kaweth_probe(
 						      len_kaweth_new_code_fix,
 						      100,
 						      3)) < 0) {
-			kaweth_err("Error downloading firmware fix (%d)", result);
+			err("Error downloading firmware fix (%d)", result);
 			goto err_fw;
 		}
 
@@ -956,7 +1010,7 @@ static int kaweth_probe(
 						      len_kaweth_trigger_code,
 						      126,
 						      2)) < 0) {
-			kaweth_err("Error downloading trigger code (%d)", result);
+			err("Error downloading trigger code (%d)", result);
 			goto err_fw;
 
 		}
@@ -966,18 +1020,18 @@ static int kaweth_probe(
 						      len_kaweth_trigger_code_fix,
 						      126,
 						      3)) < 0) {
-			kaweth_err("Error downloading trigger code fix (%d)", result);
+			err("Error downloading trigger code fix (%d)", result);
 			goto err_fw;
 		}
 
 
 		if ((result = kaweth_trigger_firmware(kaweth, 126)) < 0) {
-			kaweth_err("Error triggering firmware (%d)", result);
+			err("Error triggering firmware (%d)", result);
 			goto err_fw;
 		}
 
 		/* Device will now disappear for a moment...  */
-		kaweth_info("Firmware loaded.  I'll be back...");
+		info("Firmware loaded.  I'll be back...");
 err_fw:
 		free_page((unsigned long)kaweth->firmware_buf);
 		free_netdev(netdev);
@@ -987,14 +1041,14 @@ err_fw:
 	result = kaweth_read_configuration(kaweth);
 
 	if(result < 0) {
-		kaweth_err("Error reading configuration (%d), no net device created", result);
+		err("Error reading configuration (%d), no net device created", result);
 		goto err_free_netdev;
 	}
 
-	kaweth_info("Statistics collection: %x", kaweth->configuration.statistics_mask);
-	kaweth_info("Multicast filter limit: %x", kaweth->configuration.max_multicast_filters & ((1 << 15) - 1));
-	kaweth_info("MTU: %d", le16_to_cpu(kaweth->configuration.segment_size));
-	kaweth_info("Read MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x",
+	info("Statistics collection: %x", kaweth->configuration.statistics_mask);
+	info("Multicast filter limit: %x", kaweth->configuration.max_multicast_filters & ((1 << 15) - 1));
+	info("MTU: %d", le16_to_cpu(kaweth->configuration.segment_size));
+	info("Read MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x",
 		 (int)kaweth->configuration.hw_addr[0],
 		 (int)kaweth->configuration.hw_addr[1],
 		 (int)kaweth->configuration.hw_addr[2],
@@ -1005,17 +1059,17 @@ err_fw:
 	if(!memcmp(&kaweth->configuration.hw_addr,
                    &bcast_addr,
 		   sizeof(bcast_addr))) {
-		kaweth_err("Firmware not functioning properly, no net device created");
+		err("Firmware not functioning properly, no net device created");
 		goto err_free_netdev;
 	}
 
 	if(kaweth_set_urb_size(kaweth, KAWETH_BUF_SIZE) < 0) {
-		kaweth_dbg("Error setting URB size");
+		dbg("Error setting URB size");
 		goto err_free_netdev;
 	}
 
 	if(kaweth_set_sofs_wait(kaweth, KAWETH_SOFS_TO_WAIT) < 0) {
-		kaweth_err("Error setting SOFS wait");
+		err("Error setting SOFS wait");
 		goto err_free_netdev;
 	}
 
@@ -1025,11 +1079,11 @@ err_fw:
                                            KAWETH_PACKET_FILTER_MULTICAST);
 
 	if(result < 0) {
-		kaweth_err("Error setting receive filter");
+		err("Error setting receive filter");
 		goto err_free_netdev;
 	}
 
-	kaweth_dbg("Initializing net device.");
+	dbg("Initializing net device.");
 
 	kaweth->tx_urb = usb_alloc_urb(0, GFP_KERNEL);
 	if (!kaweth->tx_urb)
@@ -1086,13 +1140,13 @@ err_fw:
 
 	SET_NETDEV_DEV(netdev, &intf->dev);
 	if (register_netdev(netdev) != 0) {
-		kaweth_err("Error registering netdev.");
+		err("Error registering netdev.");
 		goto err_intfdata;
 	}
 
-	kaweth_info("kaweth interface created at %s", kaweth->net->name);
+	info("kaweth interface created at %s", kaweth->net->name);
 
-	kaweth_dbg("Kaweth probe returning.");
+	dbg("Kaweth probe returning.");
 
 	return 0;
 
@@ -1121,16 +1175,16 @@ static void kaweth_disconnect(struct usb_interface *intf)
 	struct kaweth_device *kaweth = usb_get_intfdata(intf);
 	struct net_device *netdev;
 
-	kaweth_info("Unregistering");
+	info("Unregistering");
 
 	usb_set_intfdata(intf, NULL);
 	if (!kaweth) {
-		kaweth_warn("unregistering non-existant device");
+		warn("unregistering non-existant device");
 		return;
 	}
 	netdev = kaweth->net;
 
-	kaweth_dbg("Unregistering net device");
+	dbg("Unregistering net device");
 	unregister_netdev(netdev);
 
 	usb_free_urb(kaweth->rx_urb);
@@ -1185,7 +1239,7 @@ static int usb_start_wait_urb(struct urb *urb, int timeout, int* actual_length)
 
 	if (!wait_event_timeout(awd.wqh, awd.done, timeout)) {
                 // timeout
-                kaweth_warn("usb_control/bulk_msg: timeout");
+                warn("usb_control/bulk_msg: timeout");
                 usb_kill_urb(urb);  // remove urb safely
                 status = -ETIMEDOUT;
         }
@@ -1234,7 +1288,7 @@ static int kaweth_internal_control_msg(struct usb_device *usb_dev,
  ****************************************************************/
 static int __init kaweth_init(void)
 {
-	kaweth_dbg("Driver loading");
+	dbg("Driver loading");
 	return usb_register(&kaweth_driver);
 }
 
diff --git a/drivers/usb/net/mcs7830.c b/drivers/usb/net/mcs7830.c
new file mode 100644
index 00000000000..6240b978fe3
--- /dev/null
+++ b/drivers/usb/net/mcs7830.c
@@ -0,0 +1,534 @@
+/*
+ * MosChips MCS7830 based USB 2.0 Ethernet Devices
+ *
+ * based on usbnet.c, asix.c and the vendor provided mcs7830 driver
+ *
+ * Copyright (C) 2006 Arnd Bergmann <arnd@arndb.de>
+ * Copyright (C) 2003-2005 David Hollis <dhollis@davehollis.com>
+ * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net>
+ * Copyright (c) 2002-2003 TiVo Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/crc32.h>
+#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/init.h>
+#include <linux/mii.h>
+#include <linux/module.h>
+#include <linux/netdevice.h>
+#include <linux/usb.h>
+
+#include "usbnet.h"
+
+/* requests */
+#define MCS7830_RD_BMREQ	(USB_DIR_IN  | USB_TYPE_VENDOR | \
+				 USB_RECIP_DEVICE)
+#define MCS7830_WR_BMREQ	(USB_DIR_OUT | USB_TYPE_VENDOR | \
+				 USB_RECIP_DEVICE)
+#define MCS7830_RD_BREQ		0x0E
+#define MCS7830_WR_BREQ		0x0D
+
+#define MCS7830_CTRL_TIMEOUT	1000
+#define MCS7830_MAX_MCAST	64
+
+#define MCS7830_VENDOR_ID	0x9710
+#define MCS7830_PRODUCT_ID	0x7830
+
+#define MCS7830_MII_ADVERTISE	(ADVERTISE_PAUSE_CAP | ADVERTISE_100FULL | \
+				 ADVERTISE_100HALF | ADVERTISE_10FULL | \
+				 ADVERTISE_10HALF | ADVERTISE_CSMA)
+
+/* HIF_REG_XX coressponding index value */
+enum {
+	HIF_REG_MULTICAST_HASH			= 0x00,
+	HIF_REG_PACKET_GAP1			= 0x08,
+	HIF_REG_PACKET_GAP2			= 0x09,
+	HIF_REG_PHY_DATA			= 0x0a,
+	HIF_REG_PHY_CMD1			= 0x0c,
+	   HIF_REG_PHY_CMD1_READ		= 0x40,
+	   HIF_REG_PHY_CMD1_WRITE		= 0x20,
+	   HIF_REG_PHY_CMD1_PHYADDR		= 0x01,
+	HIF_REG_PHY_CMD2			= 0x0d,
+	   HIF_REG_PHY_CMD2_PEND_FLAG_BIT	= 0x80,
+	   HIF_REG_PHY_CMD2_READY_FLAG_BIT	= 0x40,
+	HIF_REG_CONFIG				= 0x0e,
+	   HIF_REG_CONFIG_CFG			= 0x80,
+	   HIF_REG_CONFIG_SPEED100		= 0x40,
+	   HIF_REG_CONFIG_FULLDUPLEX_ENABLE	= 0x20,
+	   HIF_REG_CONFIG_RXENABLE		= 0x10,
+	   HIF_REG_CONFIG_TXENABLE		= 0x08,
+	   HIF_REG_CONFIG_SLEEPMODE		= 0x04,
+	   HIF_REG_CONFIG_ALLMULTICAST		= 0x02,
+	   HIF_REG_CONFIG_PROMISCIOUS		= 0x01,
+	HIF_REG_ETHERNET_ADDR			= 0x0f,
+	HIF_REG_22				= 0x15,
+	HIF_REG_PAUSE_THRESHOLD			= 0x16,
+	   HIF_REG_PAUSE_THRESHOLD_DEFAULT	= 0,
+};
+
+struct mcs7830_data {
+	u8 multi_filter[8];
+	u8 config;
+};
+
+static const char driver_name[] = "MOSCHIP usb-ethernet driver";
+
+static int mcs7830_get_reg(struct usbnet *dev, u16 index, u16 size, void *data)
+{
+	struct usb_device *xdev = dev->udev;
+	int ret;
+
+	ret = usb_control_msg(xdev, usb_rcvctrlpipe(xdev, 0), MCS7830_RD_BREQ,
+			      MCS7830_RD_BMREQ, 0x0000, index, data,
+			      size, msecs_to_jiffies(MCS7830_CTRL_TIMEOUT));
+	return ret;
+}
+
+static int mcs7830_set_reg(struct usbnet *dev, u16 index, u16 size, void *data)
+{
+	struct usb_device *xdev = dev->udev;
+	int ret;
+
+	ret = usb_control_msg(xdev, usb_sndctrlpipe(xdev, 0), MCS7830_WR_BREQ,
+			      MCS7830_WR_BMREQ, 0x0000, index, data,
+			      size, msecs_to_jiffies(MCS7830_CTRL_TIMEOUT));
+	return ret;
+}
+
+static void mcs7830_async_cmd_callback(struct urb *urb)
+{
+	struct usb_ctrlrequest *req = (struct usb_ctrlrequest *)urb->context;
+
+	if (urb->status < 0)
+		printk(KERN_DEBUG "mcs7830_async_cmd_callback() failed with %d",
+			urb->status);
+
+	kfree(req);
+	usb_free_urb(urb);
+}
+
+static void mcs7830_set_reg_async(struct usbnet *dev, u16 index, u16 size, void *data)
+{
+	struct usb_ctrlrequest *req;
+	int ret;
+	struct urb *urb;
+
+	urb = usb_alloc_urb(0, GFP_ATOMIC);
+	if (!urb) {
+		dev_dbg(&dev->udev->dev, "Error allocating URB "
+				"in write_cmd_async!");
+		return;
+	}
+
+	req = kmalloc(sizeof *req, GFP_ATOMIC);
+	if (!req) {
+		dev_err(&dev->udev->dev, "Failed to allocate memory for "
+				"control request");
+		goto out;
+	}
+	req->bRequestType = MCS7830_WR_BMREQ;
+	req->bRequest = MCS7830_WR_BREQ;
+	req->wValue = 0;
+	req->wIndex = cpu_to_le16(index);
+	req->wLength = cpu_to_le16(size);
+
+	usb_fill_control_urb(urb, dev->udev,
+			     usb_sndctrlpipe(dev->udev, 0),
+			     (void *)req, data, size,
+			     mcs7830_async_cmd_callback, req);
+
+	ret = usb_submit_urb(urb, GFP_ATOMIC);
+	if (ret < 0) {
+		dev_err(&dev->udev->dev, "Error submitting the control "
+				"message: ret=%d", ret);
+		goto out;
+	}
+	return;
+out:
+	kfree(req);
+	usb_free_urb(urb);
+}
+
+static int mcs7830_get_address(struct usbnet *dev)
+{
+	int ret;
+	ret = mcs7830_get_reg(dev, HIF_REG_ETHERNET_ADDR, ETH_ALEN,
+				   dev->net->dev_addr);
+	if (ret < 0)
+		return ret;
+	return 0;
+}
+
+static int mcs7830_read_phy(struct usbnet *dev, u8 index)
+{
+	int ret;
+	int i;
+	__le16 val;
+
+	u8 cmd[2] = {
+		HIF_REG_PHY_CMD1_READ | HIF_REG_PHY_CMD1_PHYADDR,
+		HIF_REG_PHY_CMD2_PEND_FLAG_BIT | index,
+	};
+
+	mutex_lock(&dev->phy_mutex);
+	/* write the MII command */
+	ret = mcs7830_set_reg(dev, HIF_REG_PHY_CMD1, 2, cmd);
+	if (ret < 0)
+		goto out;
+
+	/* wait for the data to become valid, should be within < 1ms */
+	for (i = 0; i < 10; i++) {
+		ret = mcs7830_get_reg(dev, HIF_REG_PHY_CMD1, 2, cmd);
+		if ((ret < 0) || (cmd[1] & HIF_REG_PHY_CMD2_READY_FLAG_BIT))
+			break;
+		ret = -EIO;
+		msleep(1);
+	}
+	if (ret < 0)
+		goto out;
+
+	/* read actual register contents */
+	ret = mcs7830_get_reg(dev, HIF_REG_PHY_DATA, 2, &val);
+	if (ret < 0)
+		goto out;
+	ret = le16_to_cpu(val);
+	dev_dbg(&dev->udev->dev, "read PHY reg %02x: %04x (%d tries)\n",
+		index, val, i);
+out:
+	mutex_unlock(&dev->phy_mutex);
+	return ret;
+}
+
+static int mcs7830_write_phy(struct usbnet *dev, u8 index, u16 val)
+{
+	int ret;
+	int i;
+	__le16 le_val;
+
+	u8 cmd[2] = {
+		HIF_REG_PHY_CMD1_WRITE | HIF_REG_PHY_CMD1_PHYADDR,
+		HIF_REG_PHY_CMD2_PEND_FLAG_BIT | (index & 0x1F),
+	};
+
+	mutex_lock(&dev->phy_mutex);
+
+	/* write the new register contents */
+	le_val = cpu_to_le16(val);
+	ret = mcs7830_set_reg(dev, HIF_REG_PHY_DATA, 2, &le_val);
+	if (ret < 0)
+		goto out;
+
+	/* write the MII command */
+	ret = mcs7830_set_reg(dev, HIF_REG_PHY_CMD1, 2, cmd);
+	if (ret < 0)
+		goto out;
+
+	/* wait for the command to be accepted by the PHY */
+	for (i = 0; i < 10; i++) {
+		ret = mcs7830_get_reg(dev, HIF_REG_PHY_CMD1, 2, cmd);
+		if ((ret < 0) || (cmd[1] & HIF_REG_PHY_CMD2_READY_FLAG_BIT))
+			break;
+		ret = -EIO;
+		msleep(1);
+	}
+	if (ret < 0)
+		goto out;
+
+	ret = 0;
+	dev_dbg(&dev->udev->dev, "write PHY reg %02x: %04x (%d tries)\n",
+		index, val, i);
+out:
+	mutex_unlock(&dev->phy_mutex);
+	return ret;
+}
+
+/*
+ * This algorithm comes from the original mcs7830 version 1.4 driver,
+ * not sure if it is needed.
+ */
+static int mcs7830_set_autoneg(struct usbnet *dev, int ptrUserPhyMode)
+{
+	int ret;
+	/* Enable all media types */
+	ret = mcs7830_write_phy(dev, MII_ADVERTISE, MCS7830_MII_ADVERTISE);
+
+	/* First reset BMCR */
+	if (!ret)
+		ret = mcs7830_write_phy(dev, MII_BMCR, 0x0000);
+	/* Enable Auto Neg */
+	if (!ret)
+		ret = mcs7830_write_phy(dev, MII_BMCR, BMCR_ANENABLE);
+	/* Restart Auto Neg (Keep the Enable Auto Neg Bit Set) */
+	if (!ret)
+		ret = mcs7830_write_phy(dev, MII_BMCR,
+				BMCR_ANENABLE | BMCR_ANRESTART	);
+	return ret < 0 ? : 0;
+}
+
+
+/*
+ * if we can read register 22, the chip revision is C or higher
+ */
+static int mcs7830_get_rev(struct usbnet *dev)
+{
+	u8 dummy[2];
+	int ret;
+	ret = mcs7830_get_reg(dev, HIF_REG_22, 2, dummy);
+	if (ret > 0)
+		return 2; /* Rev C or later */
+	return 1; /* earlier revision */
+}
+
+/*
+ * On rev. C we need to set the pause threshold
+ */
+static void mcs7830_rev_C_fixup(struct usbnet *dev)
+{
+	u8 pause_threshold = HIF_REG_PAUSE_THRESHOLD_DEFAULT;
+	int retry;
+
+	for (retry = 0; retry < 2; retry++) {
+		if (mcs7830_get_rev(dev) == 2) {
+			dev_info(&dev->udev->dev, "applying rev.C fixup\n");
+			mcs7830_set_reg(dev, HIF_REG_PAUSE_THRESHOLD,
+					1, &pause_threshold);
+		}
+		msleep(1);
+	}
+}
+
+static int mcs7830_init_dev(struct usbnet *dev)
+{
+	int ret;
+	int retry;
+
+	/* Read MAC address from EEPROM */
+	ret = -EINVAL;
+	for (retry = 0; retry < 5 && ret; retry++)
+		ret = mcs7830_get_address(dev);
+	if (ret) {
+		dev_warn(&dev->udev->dev, "Cannot read MAC address\n");
+		goto out;
+	}
+
+	/* Set up PHY */
+	ret = mcs7830_set_autoneg(dev, 0);
+	if (ret) {
+		dev_info(&dev->udev->dev, "Cannot set autoneg\n");
+		goto out;
+	}
+
+	mcs7830_rev_C_fixup(dev);
+	ret = 0;
+out:
+	return ret;
+}
+
+static int mcs7830_mdio_read(struct net_device *netdev, int phy_id,
+			     int location)
+{
+	struct usbnet *dev = netdev->priv;
+	return mcs7830_read_phy(dev, location);
+}
+
+static void mcs7830_mdio_write(struct net_device *netdev, int phy_id,
+				int location, int val)
+{
+	struct usbnet *dev = netdev->priv;
+	mcs7830_write_phy(dev, location, val);
+}
+
+static int mcs7830_ioctl(struct net_device *net, struct ifreq *rq, int cmd)
+{
+	struct usbnet *dev = netdev_priv(net);
+	return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
+}
+
+/* credits go to asix_set_multicast */
+static void mcs7830_set_multicast(struct net_device *net)
+{
+	struct usbnet *dev = netdev_priv(net);
+	struct mcs7830_data *data = (struct mcs7830_data *)&dev->data;
+
+	data->config = HIF_REG_CONFIG_TXENABLE;
+
+	/* this should not be needed, but it doesn't work otherwise */
+	data->config |= HIF_REG_CONFIG_ALLMULTICAST;
+
+	if (net->flags & IFF_PROMISC) {
+		data->config |= HIF_REG_CONFIG_PROMISCIOUS;
+	} else if (net->flags & IFF_ALLMULTI
+		   || net->mc_count > MCS7830_MAX_MCAST) {
+		data->config |= HIF_REG_CONFIG_ALLMULTICAST;
+	} else if (net->mc_count == 0) {
+		/* just broadcast and directed */
+	} else {
+		/* We use the 20 byte dev->data
+		 * for our 8 byte filter buffer
+		 * to avoid allocating memory that
+		 * is tricky to free later */
+		struct dev_mc_list *mc_list = net->mc_list;
+		u32 crc_bits;
+		int i;
+
+		memset(data->multi_filter, 0, sizeof data->multi_filter);
+
+		/* Build the multicast hash filter. */
+		for (i = 0; i < net->mc_count; i++) {
+			crc_bits = ether_crc(ETH_ALEN, mc_list->dmi_addr) >> 26;
+			data->multi_filter[crc_bits >> 3] |= 1 << (crc_bits & 7);
+			mc_list = mc_list->next;
+		}
+
+		mcs7830_set_reg_async(dev, HIF_REG_MULTICAST_HASH,
+				sizeof data->multi_filter,
+				data->multi_filter);
+	}
+
+	mcs7830_set_reg_async(dev, HIF_REG_CONFIG, 1, &data->config);
+}
+
+static int mcs7830_get_regs_len(struct net_device *net)
+{
+	struct usbnet *dev = netdev_priv(net);
+
+	switch (mcs7830_get_rev(dev)) {
+	case 1:
+		return 21;
+	case 2:
+		return 32;
+	}
+	return 0;
+}
+
+static void mcs7830_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *drvinfo)
+{
+	usbnet_get_drvinfo(net, drvinfo);
+	drvinfo->regdump_len = mcs7830_get_regs_len(net);
+}
+
+static void mcs7830_get_regs(struct net_device *net, struct ethtool_regs *regs, void *data)
+{
+	struct usbnet *dev = netdev_priv(net);
+
+	regs->version = mcs7830_get_rev(dev);
+	mcs7830_get_reg(dev, 0, regs->len, data);
+}
+
+static struct ethtool_ops mcs7830_ethtool_ops = {
+	.get_drvinfo		= mcs7830_get_drvinfo,
+	.get_regs_len		= mcs7830_get_regs_len,
+	.get_regs		= mcs7830_get_regs,
+
+	/* common usbnet calls */
+	.get_link		= usbnet_get_link,
+	.get_msglevel		= usbnet_get_msglevel,
+	.set_msglevel		= usbnet_set_msglevel,
+	.get_settings		= usbnet_get_settings,
+	.set_settings		= usbnet_set_settings,
+	.nway_reset		= usbnet_nway_reset,
+};
+
+static int mcs7830_bind(struct usbnet *dev, struct usb_interface *udev)
+{
+	struct net_device *net = dev->net;
+	int ret;
+
+	ret = mcs7830_init_dev(dev);
+	if (ret)
+		goto out;
+
+	net->do_ioctl = mcs7830_ioctl;
+	net->ethtool_ops = &mcs7830_ethtool_ops;
+	net->set_multicast_list = mcs7830_set_multicast;
+	mcs7830_set_multicast(net);
+
+	/* reserve space for the status byte on rx */
+	dev->rx_urb_size = ETH_FRAME_LEN + 1;
+
+	dev->mii.mdio_read = mcs7830_mdio_read;
+	dev->mii.mdio_write = mcs7830_mdio_write;
+	dev->mii.dev = net;
+	dev->mii.phy_id_mask = 0x3f;
+	dev->mii.reg_num_mask = 0x1f;
+	dev->mii.phy_id = *((u8 *) net->dev_addr + 1);
+
+	ret = usbnet_get_endpoints(dev, udev);
+out:
+	return ret;
+}
+
+/* The chip always appends a status bytes that we need to strip */
+static int mcs7830_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
+{
+	u8 status;
+
+	if (skb->len == 0) {
+		dev_err(&dev->udev->dev, "unexpected empty rx frame\n");
+		return 0;
+	}
+
+	skb_trim(skb, skb->len - 1);
+	status = skb->data[skb->len];
+
+	if (status != 0x20)
+		dev_dbg(&dev->udev->dev, "rx fixup status %x\n", status);
+
+	return skb->len > 0;
+}
+
+static const struct driver_info moschip_info = {
+	.description	= "MOSCHIP 7830 usb-NET adapter",
+	.bind		= mcs7830_bind,
+	.rx_fixup	= mcs7830_rx_fixup,
+	.flags		= FLAG_ETHER,
+	.in		= 1,
+	.out		= 2,
+};
+
+static const struct usb_device_id products[] = {
+	{
+		USB_DEVICE(MCS7830_VENDOR_ID, MCS7830_PRODUCT_ID),
+		.driver_info = (unsigned long) &moschip_info,
+	},
+	{},
+};
+MODULE_DEVICE_TABLE(usb, products);
+
+static struct usb_driver mcs7830_driver = {
+	.name = driver_name,
+	.id_table = products,
+	.probe = usbnet_probe,
+	.disconnect = usbnet_disconnect,
+	.suspend = usbnet_suspend,
+	.resume = usbnet_resume,
+};
+
+static int __init mcs7830_init(void)
+{
+	return usb_register(&mcs7830_driver);
+}
+module_init(mcs7830_init);
+
+static void __exit mcs7830_exit(void)
+{
+	usb_deregister(&mcs7830_driver);
+}
+module_exit(mcs7830_exit);
+
+MODULE_DESCRIPTION("USB to network adapter MCS7830)");
+MODULE_LICENSE("GPL");
diff --git a/drivers/usb/net/usbnet.c b/drivers/usb/net/usbnet.c
index 24bd3486ee6..cf3d20eb781 100644
--- a/drivers/usb/net/usbnet.c
+++ b/drivers/usb/net/usbnet.c
@@ -669,6 +669,37 @@ done:
  * they'll probably want to use this base set.
  */
 
+int usbnet_get_settings (struct net_device *net, struct ethtool_cmd *cmd)
+{
+	struct usbnet *dev = netdev_priv(net);
+
+	if (!dev->mii.mdio_read)
+		return -EOPNOTSUPP;
+
+	return mii_ethtool_gset(&dev->mii, cmd);
+}
+EXPORT_SYMBOL_GPL(usbnet_get_settings);
+
+int usbnet_set_settings (struct net_device *net, struct ethtool_cmd *cmd)
+{
+	struct usbnet *dev = netdev_priv(net);
+	int retval;
+
+	if (!dev->mii.mdio_write)
+		return -EOPNOTSUPP;
+
+	retval = mii_ethtool_sset(&dev->mii, cmd);
+
+	/* link speed/duplex might have changed */
+	if (dev->driver_info->link_reset)
+		dev->driver_info->link_reset(dev);
+
+	return retval;
+
+}
+EXPORT_SYMBOL_GPL(usbnet_set_settings);
+
+
 void usbnet_get_drvinfo (struct net_device *net, struct ethtool_drvinfo *info)
 {
 	struct usbnet *dev = netdev_priv(net);
@@ -682,7 +713,7 @@ void usbnet_get_drvinfo (struct net_device *net, struct ethtool_drvinfo *info)
 }
 EXPORT_SYMBOL_GPL(usbnet_get_drvinfo);
 
-static u32 usbnet_get_link (struct net_device *net)
+u32 usbnet_get_link (struct net_device *net)
 {
 	struct usbnet *dev = netdev_priv(net);
 
@@ -690,9 +721,14 @@ static u32 usbnet_get_link (struct net_device *net)
 	if (dev->driver_info->check_connect)
 		return dev->driver_info->check_connect (dev) == 0;
 
+	/* if the device has mii operations, use those */
+	if (dev->mii.mdio_read)
+		return mii_link_ok(&dev->mii);
+
 	/* Otherwise, say we're up (to avoid breaking scripts) */
 	return 1;
 }
+EXPORT_SYMBOL_GPL(usbnet_get_link);
 
 u32 usbnet_get_msglevel (struct net_device *net)
 {
@@ -710,10 +746,24 @@ void usbnet_set_msglevel (struct net_device *net, u32 level)
 }
 EXPORT_SYMBOL_GPL(usbnet_set_msglevel);
 
+int usbnet_nway_reset(struct net_device *net)
+{
+	struct usbnet *dev = netdev_priv(net);
+
+	if (!dev->mii.mdio_write)
+		return -EOPNOTSUPP;
+
+	return mii_nway_restart(&dev->mii);
+}
+EXPORT_SYMBOL_GPL(usbnet_nway_reset);
+
 /* drivers may override default ethtool_ops in their bind() routine */
 static struct ethtool_ops usbnet_ethtool_ops = {
+	.get_settings		= usbnet_get_settings,
+	.set_settings		= usbnet_set_settings,
 	.get_drvinfo		= usbnet_get_drvinfo,
 	.get_link		= usbnet_get_link,
+	.nway_reset		= usbnet_nway_reset,
 	.get_msglevel		= usbnet_get_msglevel,
 	.set_msglevel		= usbnet_set_msglevel,
 };
@@ -1094,6 +1144,7 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
 	dev->delay.function = usbnet_bh;
 	dev->delay.data = (unsigned long) dev;
 	init_timer (&dev->delay);
+	mutex_init (&dev->phy_mutex);
 
 	SET_MODULE_OWNER (net);
 	dev->net = net;
@@ -1225,7 +1276,7 @@ EXPORT_SYMBOL_GPL(usbnet_resume);
 static int __init usbnet_init(void)
 {
 	/* compiler should optimize this out */
-	BUG_ON (sizeof (((struct sk_buff *)0)->cb)
+	BUILD_BUG_ON (sizeof (((struct sk_buff *)0)->cb)
 			< sizeof (struct skb_data));
 
 	random_ether_addr(node_id);
diff --git a/drivers/usb/net/usbnet.h b/drivers/usb/net/usbnet.h
index c0746f0454a..07c70abbe0e 100644
--- a/drivers/usb/net/usbnet.h
+++ b/drivers/usb/net/usbnet.h
@@ -30,6 +30,7 @@ struct usbnet {
 	struct usb_device	*udev;
 	struct driver_info	*driver_info;
 	wait_queue_head_t	*wait;
+	struct mutex		phy_mutex;
 
 	/* i/o info: pipes etc */
 	unsigned		in, out;
@@ -168,9 +169,13 @@ extern void usbnet_defer_kevent (struct usbnet *, int);
 extern void usbnet_skb_return (struct usbnet *, struct sk_buff *);
 extern void usbnet_unlink_rx_urbs(struct usbnet *);
 
+extern int usbnet_get_settings (struct net_device *net, struct ethtool_cmd *cmd);
+extern int usbnet_set_settings (struct net_device *net, struct ethtool_cmd *cmd);
+extern u32 usbnet_get_link (struct net_device *net);
 extern u32 usbnet_get_msglevel (struct net_device *);
 extern void usbnet_set_msglevel (struct net_device *, u32);
 extern void usbnet_get_drvinfo (struct net_device *, struct ethtool_drvinfo *);
+extern int usbnet_nway_reset(struct net_device *net);
 
 /* messaging support includes the interface name, so it must not be
  * used before it has one ... notably, in minidriver bind() calls.
diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig
index 5076b9d9705..9a6ec1b5e3d 100644
--- a/drivers/usb/serial/Kconfig
+++ b/drivers/usb/serial/Kconfig
@@ -422,6 +422,16 @@ config USB_SERIAL_MCT_U232
 	  To compile this driver as a module, choose M here: the
 	  module will be called mct_u232.
 
+config USB_SERIAL_MOS7720
+	tristate "USB Moschip 7720 Single Port Serial Driver"
+	depends on USB_SERIAL
+	---help---
+	  Say Y here if you want to use a USB Serial single port adapter from
+	  Moschip Semiconductor Tech.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called mos7720.
+
 config USB_SERIAL_MOS7840
 	tristate "USB Moschip 7840/7820 USB Serial Driver"
 	depends on USB_SERIAL
@@ -527,8 +537,7 @@ config USB_SERIAL_OPTION
 	  The USB bus on these cards is not accessible externally.
 
 	  Supported devices include (some of?) those made by:
-	  Option, Huawei, Audiovox, Sierra Wireless, Novatel Wireless, or
-	  Anydata.
+	  Option, Huawei, Audiovox, Novatel Wireless, or Anydata.
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called option.
diff --git a/drivers/usb/serial/Makefile b/drivers/usb/serial/Makefile
index 8dce83340e3..a5047dc599b 100644
--- a/drivers/usb/serial/Makefile
+++ b/drivers/usb/serial/Makefile
@@ -34,6 +34,7 @@ obj-$(CONFIG_USB_SERIAL_KEYSPAN_PDA)		+= keyspan_pda.o
 obj-$(CONFIG_USB_SERIAL_KLSI)			+= kl5kusb105.o
 obj-$(CONFIG_USB_SERIAL_KOBIL_SCT)		+= kobil_sct.o
 obj-$(CONFIG_USB_SERIAL_MCT_U232)		+= mct_u232.o
+obj-$(CONFIG_USB_SERIAL_MOS7720)		+= mos7720.o
 obj-$(CONFIG_USB_SERIAL_MOS7840)		+= mos7840.o
 obj-$(CONFIG_USB_SERIAL_NAVMAN)			+= navman.o
 obj-$(CONFIG_USB_SERIAL_OMNINET)		+= omninet.o
diff --git a/drivers/usb/serial/airprime.c b/drivers/usb/serial/airprime.c
index 2c19f19b255..7f5d546da39 100644
--- a/drivers/usb/serial/airprime.c
+++ b/drivers/usb/serial/airprime.c
@@ -18,12 +18,8 @@
 
 static struct usb_device_id id_table [] = {
 	{ USB_DEVICE(0x0c88, 0x17da) }, /* Kyocera Wireless KPC650/Passport */
-	{ USB_DEVICE(0x0f3d, 0x0112) }, /* AirPrime CDMA Wireless PC Card */
-	{ USB_DEVICE(0x1199, 0x0017) }, /* Sierra Wireless EM5625 */
-	{ USB_DEVICE(0x1199, 0x0018) }, /* Sierra Wireless MC5720 */
-	{ USB_DEVICE(0x1199, 0x0112) }, /* Sierra Wireless Aircard 580 */
-	{ USB_DEVICE(0x1199, 0x0218) }, /* Sierra Wireless MC5720 */
 	{ USB_DEVICE(0x1410, 0x1110) }, /* Novatel Wireless Merlin CDMA */
+	{ USB_DEVICE(0x1410, 0x1100) }, /* ExpressCard34 Qualcomm 3G CDMA */
 	{ },
 };
 MODULE_DEVICE_TABLE(usb, id_table);
@@ -133,6 +129,7 @@ static int airprime_open(struct usb_serial_port *port, struct file *filp)
 		}
 		urb = usb_alloc_urb(0, GFP_KERNEL);
 		if (!urb) {
+			kfree(buffer);
 			dev_err(&port->dev, "%s - no more urbs?\n",
 				__FUNCTION__);
 			result = -ENOMEM;
diff --git a/drivers/usb/serial/cp2101.c b/drivers/usb/serial/cp2101.c
index 486c7411b9a..bbf6532c26e 100644
--- a/drivers/usb/serial/cp2101.c
+++ b/drivers/usb/serial/cp2101.c
@@ -65,6 +65,7 @@ static struct usb_device_id id_table [] = {
 	{ USB_DEVICE(0x10C4, 0x813D) }, /* Burnside Telecom Deskmobile */
 	{ USB_DEVICE(0x10C4, 0x815E) }, /* Helicomm IP-Link 1220-DVM */
 	{ USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */
+	{ USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */
 	{ USB_DEVICE(0x16D6, 0x0001) }, /* Jablotron serial interface */
 	{ } /* Terminating Entry */
 };
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index d3dc1a15ec6..bd76b4c11fc 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1,16 +1,16 @@
 /*
  * USB FTDI SIO driver
  *
- * 	Copyright (C) 1999 - 2001
- * 	    Greg Kroah-Hartman (greg@kroah.com)
+ *	Copyright (C) 1999 - 2001
+ *	    Greg Kroah-Hartman (greg@kroah.com)
  *          Bill Ryder (bryder@sgi.com)
  *	Copyright (C) 2002
  *	    Kuba Ober (kuba@mareimbrium.org)
  *
- * 	This program is free software; you can redistribute it and/or modify
- * 	it under the terms of the GNU General Public License as published by
- * 	the Free Software Foundation; either version 2 of the License, or
- * 	(at your option) any later version.
+ *	This program is free software; you can redistribute it and/or modify
+ *	it under the terms of the GNU General Public License as published by
+ *	the Free Software Foundation; either version 2 of the License, or
+ *	(at your option) any later version.
  *
  * See Documentation/usb/usb-serial.txt for more information on using this driver
  *
@@ -32,7 +32,7 @@
  *      Changed full name of USB-UIRT device to avoid "/" character.
  *      Added FTDI's alternate PID (0x6006) for FT232/245 devices.
  *      Added PID for "ELV USB Module UO100" from Stefan Frings.
- * 
+ *
  * (21/Oct/2003) Ian Abbott
  *      Renamed some VID/PID macros for Matrix Orbital and Perle Systems
  *      devices.  Removed Matrix Orbital and Perle Systems devices from the
@@ -69,7 +69,7 @@
  *	does not incure any measurable overhead.  This also relies on the fact
  *	that we have proper reference counting logic for urbs.  I nicked this
  *	from Greg KH's Visor driver.
- *      
+ *
  * (23/Jun/2003) Ian Abbott
  *      Reduced flip buffer pushes and corrected a data length test in
  *      ftdi_read_bulk_callback.
@@ -77,7 +77,7 @@
  *
  * (21/Jun/2003) Erik Nygren
  *      Added support for Home Electronics Tira-1 IR transceiver using FT232BM chip.
- *      See <http://www.home-electro.com/tira1.htm>.  Only operates properly 
+ *      See <http://www.home-electro.com/tira1.htm>.  Only operates properly
  *      at 100000 and RTS-CTS, so set custom divisor mode on startup.
  *      Also force the Tira-1 and USB-UIRT to only use their custom baud rates.
  *
@@ -137,17 +137,17 @@
  * (17/Feb/2003) Bill Ryder
  *      Added write urb buffer pool on a per device basis
  *      Added more checking for open file on callbacks (fixed OOPS)
- *      Added CrystalFontz 632 and 634 PIDs 
+ *      Added CrystalFontz 632 and 634 PIDs
  *         (thanx to CrystalFontz for the sample devices - they flushed out
  *           some driver bugs)
  *      Minor debugging message changes
  *      Added throttle, unthrottle and chars_in_buffer functions
  *      Fixed FTDI_SIO (the original device) bug
  *      Fixed some shutdown handling
- *      
- * 
- * 
- * 
+ *
+ *
+ *
+ *
  * (07/Jun/2002) Kuba Ober
  *	Changed FTDI_SIO_BASE_BAUD_TO_DIVISOR macro into ftdi_baud_to_divisor
  *	function. It was getting too complex.
@@ -158,7 +158,7 @@
  *
  * (25/Jul/2002) Bill Ryder inserted Dmitri's TIOCMIWAIT patch
  *      Not tested by me but it doesn't break anything I use.
- * 
+ *
  * (04/Jan/2002) Kuba Ober
  *	Implemented 38400 baudrate kludge, where it can be substituted with other
  *	  values. That's the only way to set custom baudrates.
@@ -179,7 +179,7 @@
  *        (the previous version caused panics)
  *	Removed port iteration code since the device only has one I/O port and it
  *	  was wrong anyway.
- * 
+ *
  * (31/May/2001) gkh
  *	Switched from using spinlock to a semaphore, which fixes lots of problems.
  *
@@ -188,16 +188,16 @@
  *	Cleaned up comments for 8U232
  *	Added parity, framing and overrun error handling
  *	Added receive break handling.
- * 
+ *
  * (04/08/2001) gb
  *	Identify version on module load.
- *       
+ *
  * (18/March/2001) Bill Ryder
  *	(Not released)
  *	Added send break handling. (requires kernel patch too)
  *	Fixed 8U232AM hardware RTS/CTS etc status reporting.
  *	Added flipbuf fix copied from generic device
- * 
+ *
  * (12/3/2000) Bill Ryder
  *	Added support for 8U232AM device.
  *	Moved PID and VIDs into header file only.
@@ -211,14 +211,14 @@
  *	Cleaned up comments. Removed multiple PID/VID definitions.
  *	Factorised cts/dtr code
  *	Made use of __FUNCTION__ in dbg's
- *      
+ *
  * (11/01/2000) Adam J. Richter
  *	usb_device_id table support
- * 
+ *
  * (10/05/2000) gkh
  *	Fixed bug with urb->dev not being set properly, now that the usb
  *	core needs it.
- * 
+ *
  * (09/11/2000) gkh
  *	Removed DEBUG #ifdefs with call to usb_serial_debug_data
  *
@@ -226,11 +226,11 @@
  *	Added module_init and module_exit functions to handle the fact that this
  *	driver is a loadable module now.
  *
- * (04/04/2000) Bill Ryder 
+ * (04/04/2000) Bill Ryder
  *	Fixed bugs in TCGET/TCSET ioctls (by removing them - they are
  *        handled elsewhere in the tty io driver chain).
  *
- * (03/30/2000) Bill Ryder 
+ * (03/30/2000) Bill Ryder
  *	Implemented lots of ioctls
  *	Fixed a race condition in write
  *	Changed some dbg's to errs
@@ -444,13 +444,13 @@ static struct usb_device_id id_table_combined [] = {
 	/* { USB_DEVICE(FTDI_VID, FTDI_ELV_WS300PC_PID) }, */
 	/* { USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1300PC_PID) }, */
 	/* { USB_DEVICE(FTDI_VID, FTDI_ELV_WS500_PID) }, */
- 	{ USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) },
- 	{ USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) },
- 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) },
- 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_1_PID) },
- 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_2_PID) },
- 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) },
- 	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) },
+	{ USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) },
+	{ USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) },
+	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) },
+	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_1_PID) },
+	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_2_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) },
 	{ USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) },
 	{ USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) },
 	{ USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) },
@@ -522,7 +522,7 @@ static struct usb_driver ftdi_driver = {
 	.probe =	usb_serial_probe,
 	.disconnect =	usb_serial_disconnect,
 	.id_table =	id_table_combined,
-	.no_dynamic_id = 	1,
+	.no_dynamic_id =	1,
 };
 
 static const char *ftdi_chip_name[] = {
@@ -548,13 +548,13 @@ struct ftdi_private {
 	int custom_divisor;	/* custom_divisor kludge, this is for baud_base (different from what goes to the chip!) */
 	__u16 last_set_data_urb_value ;
 				/* the last data state set - needed for doing a break */
-        int write_offset;       /* This is the offset in the usb data block to write the serial data - 
+        int write_offset;       /* This is the offset in the usb data block to write the serial data -
 				 * it is different between devices
 				 */
 	int flags;		/* some ASYNC_xxxx flags are supported */
 	unsigned long last_dtr_rts;	/* saved modem control outputs */
         wait_queue_head_t delta_msr_wait; /* Used for TIOCMIWAIT */
- 	char prev_status, diff_status;        /* Used for TIOCMIWAIT */
+	char prev_status, diff_status;        /* Used for TIOCMIWAIT */
 	__u8 rx_flags;		/* receive state flags (throttling) */
 	spinlock_t rx_lock;	/* spinlock for receive state */
 	struct work_struct rx_work;
@@ -721,7 +721,7 @@ static int update_mctrl(struct usb_serial_port *port, unsigned int set, unsigned
 		urb_value |= FTDI_SIO_SET_RTS_HIGH;
 	rv = usb_control_msg(port->serial->dev,
 			       usb_sndctrlpipe(port->serial->dev, 0),
-			       FTDI_SIO_SET_MODEM_CTRL_REQUEST, 
+			       FTDI_SIO_SET_MODEM_CTRL_REQUEST,
 			       FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE,
 			       urb_value, priv->interface,
 			       buf, 0, WDR_TIMEOUT);
@@ -768,7 +768,7 @@ static int change_speed(struct usb_serial_port *port)
 	if (priv->interface) {	/* FT2232C */
 		urb_index = (__u16)((urb_index << 8) | priv->interface);
 	}
-	
+
 	rv = usb_control_msg(port->serial->dev,
 			    usb_sndctrlpipe(port->serial->dev, 0),
 			    FTDI_SIO_SET_BAUDRATE_REQUEST,
@@ -827,7 +827,7 @@ static __u32 get_ftdi_divisor(struct usb_serial_port * port)
 
 	/* 3. Convert baudrate to device-specific divisor */
 
-	if (!baud) baud = 9600;	
+	if (!baud) baud = 9600;
 	switch(priv->chip_type) {
 	case SIO: /* SIO chip */
 		switch(baud) {
@@ -843,7 +843,7 @@ static __u32 get_ftdi_divisor(struct usb_serial_port * port)
 		case 115200: div_value = ftdi_sio_b115200; break;
 		} /* baud */
 		if (div_value == 0) {
-  			dbg("%s - Baudrate (%d) requested is not supported", __FUNCTION__,  baud);
+			dbg("%s - Baudrate (%d) requested is not supported", __FUNCTION__,  baud);
 			div_value = ftdi_sio_b9600;
 			div_okay = 0;
 		}
@@ -925,7 +925,7 @@ static int set_serial_info(struct usb_serial_port * port, struct serial_struct _
 	/* Make the changes - these are privileged changes! */
 
 	priv->flags = ((priv->flags & ~ASYNC_FLAGS) |
-	               (new_serial.flags & ASYNC_FLAGS));	
+	               (new_serial.flags & ASYNC_FLAGS));
 	priv->custom_divisor = new_serial.custom_divisor;
 
 	port->tty->low_latency = (priv->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
@@ -950,7 +950,7 @@ check_and_exit:
 	     (old_priv.custom_divisor != priv->custom_divisor))) {
 		change_speed(port);
 	}
-	
+
 	return (0);
 
 } /* set_serial_info */
@@ -1022,18 +1022,18 @@ static ssize_t show_latency_timer(struct device *dev, struct device_attribute *a
 	struct usb_device *udev;
 	unsigned short latency = 0;
 	int rv = 0;
-	
+
 	udev = to_usb_device(dev);
-	
+
 	dbg("%s",__FUNCTION__);
-	
+
 	rv = usb_control_msg(udev,
 			     usb_rcvctrlpipe(udev, 0),
 			     FTDI_SIO_GET_LATENCY_TIMER_REQUEST,
 			     FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE,
-			     0, priv->interface, 
+			     0, priv->interface,
 			     (char*) &latency, 1, WDR_TIMEOUT);
-	
+
 	if (rv < 0) {
 		dev_err(dev, "Unable to read latency timer: %i", rv);
 		return -EIO;
@@ -1051,23 +1051,23 @@ static ssize_t store_latency_timer(struct device *dev, struct device_attribute *
 	char buf[1];
 	int v = simple_strtoul(valbuf, NULL, 10);
 	int rv = 0;
-	
+
 	udev = to_usb_device(dev);
-	
+
 	dbg("%s: setting latency timer = %i", __FUNCTION__, v);
-	
+
 	rv = usb_control_msg(udev,
 			     usb_sndctrlpipe(udev, 0),
 			     FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
 			     FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
-			     v, priv->interface, 
+			     v, priv->interface,
 			     buf, 0, WDR_TIMEOUT);
-	
+
 	if (rv < 0) {
 		dev_err(dev, "Unable to write latency timer: %i", rv);
 		return -EIO;
 	}
-	
+
 	return count;
 }
 
@@ -1082,23 +1082,23 @@ static ssize_t store_event_char(struct device *dev, struct device_attribute *att
 	char buf[1];
 	int v = simple_strtoul(valbuf, NULL, 10);
 	int rv = 0;
-	
+
 	udev = to_usb_device(dev);
-	
+
 	dbg("%s: setting event char = %i", __FUNCTION__, v);
-	
+
 	rv = usb_control_msg(udev,
 			     usb_sndctrlpipe(udev, 0),
 			     FTDI_SIO_SET_EVENT_CHAR_REQUEST,
 			     FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE,
-			     v, priv->interface, 
+			     v, priv->interface,
 			     buf, 0, WDR_TIMEOUT);
-	
+
 	if (rv < 0) {
 		dbg("Unable to write event character: %i", rv);
 		return -EIO;
 	}
-	
+
 	return count;
 }
 
@@ -1135,11 +1135,11 @@ static void remove_sysfs_attrs(struct usb_serial *serial)
 	struct ftdi_private *priv;
 	struct usb_device *udev;
 
-	dbg("%s",__FUNCTION__);	
+	dbg("%s",__FUNCTION__);
 
 	priv = usb_get_serial_port_data(serial->port[0]);
 	udev = serial->dev;
-	
+
 	/* XXX see create_sysfs_attrs */
 	if (priv->chip_type != SIO) {
 		device_remove_file(&udev->dev, &dev_attr_event_char);
@@ -1147,7 +1147,7 @@ static void remove_sysfs_attrs(struct usb_serial *serial)
 			device_remove_file(&udev->dev, &dev_attr_latency_timer);
 		}
 	}
-	
+
 }
 
 /*
@@ -1258,7 +1258,7 @@ static void ftdi_HE_TIRA1_setup (struct usb_serial *serial)
 } /* ftdi_HE_TIRA1_setup */
 
 
-/* ftdi_shutdown is called from usbserial:usb_serial_disconnect 
+/* ftdi_shutdown is called from usbserial:usb_serial_disconnect
  *   it is called when the usb device is disconnected
  *
  *   usbserial:usb_serial_disconnect
@@ -1269,16 +1269,16 @@ static void ftdi_HE_TIRA1_setup (struct usb_serial *serial)
 
 static void ftdi_shutdown (struct usb_serial *serial)
 { /* ftdi_shutdown */
-	
+
 	struct usb_serial_port *port = serial->port[0];
 	struct ftdi_private *priv = usb_get_serial_port_data(port);
 
 	dbg("%s", __FUNCTION__);
 
 	remove_sysfs_attrs(serial);
-	
-	/* all open ports are closed at this point 
-         *    (by usbserial.c:__serial_close, which calls ftdi_close)  
+
+	/* all open ports are closed at this point
+         *    (by usbserial.c:__serial_close, which calls ftdi_close)
 	 */
 
 	if (priv) {
@@ -1293,7 +1293,7 @@ static int  ftdi_open (struct usb_serial_port *port, struct file *filp)
 	struct usb_device *dev = port->serial->dev;
 	struct ftdi_private *priv = usb_get_serial_port_data(port);
 	unsigned long flags;
-	
+
 	int result = 0;
 	char buf[1]; /* Needed for the usb_control_msg I think */
 
@@ -1312,8 +1312,8 @@ static int  ftdi_open (struct usb_serial_port *port, struct file *filp)
 	/* No error checking for this (will get errors later anyway) */
 	/* See ftdi_sio.h for description of what is reset */
 	usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
-			FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE, 
-			FTDI_SIO_RESET_SIO, 
+			FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE,
+			FTDI_SIO_RESET_SIO,
 			priv->interface, buf, 0, WDR_TIMEOUT);
 
 	/* Termios defaults are set by usb_serial_init. We don't change
@@ -1350,12 +1350,12 @@ static int  ftdi_open (struct usb_serial_port *port, struct file *filp)
 
 
 
-/* 
+/*
  * usbserial:__serial_close  only calls ftdi_close if the point is open
  *
  *   This only gets called when it is the last close
- *   
- *   
+ *
+ *
  */
 
 static void ftdi_close (struct usb_serial_port *port, struct file *filp)
@@ -1368,14 +1368,14 @@ static void ftdi_close (struct usb_serial_port *port, struct file *filp)
 
 	if (c_cflag & HUPCL){
 		/* Disable flow control */
-		if (usb_control_msg(port->serial->dev, 
+		if (usb_control_msg(port->serial->dev,
 				    usb_sndctrlpipe(port->serial->dev, 0),
 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
 				    0, priv->interface, buf, 0,
 				    WDR_TIMEOUT) < 0) {
 			err("error from flowcontrol urb");
-		}	    
+		}
 
 		/* drop RTS and DTR */
 		clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
@@ -1384,14 +1384,14 @@ static void ftdi_close (struct usb_serial_port *port, struct file *filp)
 	/* cancel any scheduled reading */
 	cancel_delayed_work(&priv->rx_work);
 	flush_scheduled_work();
-	
+
 	/* shutdown our bulk read */
 	if (port->read_urb)
 		usb_kill_urb(port->read_urb);
 } /* ftdi_close */
 
 
-  
+
 /* The SIO requires the first byte to have:
  *  B0 1
  *  B1 0
@@ -1423,7 +1423,7 @@ static int ftdi_write (struct usb_serial_port *port,
 		return 0;
 	}
 	spin_unlock_irqrestore(&priv->tx_lock, flags);
-	
+
 	data_offset = priv->write_offset;
         dbg("data_offset set to %d",data_offset);
 
@@ -1462,7 +1462,7 @@ static int ftdi_write (struct usb_serial_port *port,
 				user_pktsz = todo;
 			}
 			/* Write the control byte at the front of the packet*/
-			*first_byte = 1 | ((user_pktsz) << 2); 
+			*first_byte = 1 | ((user_pktsz) << 2);
 			/* Copy data for packet */
 			memcpy (first_byte + data_offset,
 				current_position, user_pktsz);
@@ -1479,7 +1479,7 @@ static int ftdi_write (struct usb_serial_port *port,
 	usb_serial_debug_data(debug, &port->dev, __FUNCTION__, transfer_size, buffer);
 
 	/* fill the buffer and send it */
-	usb_fill_bulk_urb(urb, port->serial->dev, 
+	usb_fill_bulk_urb(urb, port->serial->dev,
 		      usb_sndbulkpipe(port->serial->dev, port->bulk_out_endpointAddress),
 		      buffer, transfer_size,
 		      ftdi_write_bulk_callback, port);
@@ -1520,7 +1520,7 @@ static void ftdi_write_bulk_callback (struct urb *urb)
 	kfree (urb->transfer_buffer);
 
 	dbg("%s - port %d", __FUNCTION__, port->number);
-	
+
 	if (urb->status) {
 		dbg("nonzero write bulk status received: %d", urb->status);
 		return;
@@ -1651,7 +1651,7 @@ static void ftdi_process_read (void *param)
 	struct tty_struct *tty;
 	struct ftdi_private *priv;
 	char error_flag;
-       	unsigned char *data;
+	unsigned char *data;
 
 	int i;
 	int result;
@@ -1759,7 +1759,7 @@ static void ftdi_process_read (void *param)
 		}
 		if (length > 0) {
 			for (i = 2; i < length+2; i++) {
-				/* Note that the error flag is duplicated for 
+				/* Note that the error flag is duplicated for
 				   every character received since we don't know
 				   which character it applied to */
 				tty_insert_flip_char(tty, data[packet_offset+i], error_flag);
@@ -1773,7 +1773,7 @@ static void ftdi_process_read (void *param)
 		   This doesn't work well since the application receives a never
 		   ending stream of bad data - even though new data hasn't been sent.
 		   Therefore I (bill) have taken this out.
-		   However - this might make sense for framing errors and so on 
+		   However - this might make sense for framing errors and so on
 		   so I am leaving the code in for now.
 		*/
 		else {
@@ -1827,7 +1827,7 @@ static void ftdi_process_read (void *param)
 	/* if the port is closed stop trying to read */
 	if (port->open_count > 0){
 		/* Continue trying to always read  */
-		usb_fill_bulk_urb(port->read_urb, port->serial->dev, 
+		usb_fill_bulk_urb(port->read_urb, port->serial->dev,
 			      usb_rcvbulkpipe(port->serial->dev, port->bulk_in_endpointAddress),
 			      port->read_urb->transfer_buffer, port->read_urb->transfer_buffer_length,
 			      ftdi_read_bulk_callback, port);
@@ -1844,9 +1844,9 @@ static void ftdi_process_read (void *param)
 static void ftdi_break_ctl( struct usb_serial_port *port, int break_state )
 {
 	struct ftdi_private *priv = usb_get_serial_port_data(port);
-	__u16 urb_value = 0; 
+	__u16 urb_value = 0;
 	char buf[1];
-	
+
 	/* break_state = -1 to turn on break, and 0 to turn off break */
 	/* see drivers/char/tty_io.c to see it used */
 	/* last_set_data_urb_value NEVER has the break bit set in it */
@@ -1854,20 +1854,20 @@ static void ftdi_break_ctl( struct usb_serial_port *port, int break_state )
 	if (break_state) {
 		urb_value = priv->last_set_data_urb_value | FTDI_SIO_SET_BREAK;
 	} else {
-		urb_value = priv->last_set_data_urb_value; 
+		urb_value = priv->last_set_data_urb_value;
 	}
 
-	
+
 	if (usb_control_msg(port->serial->dev, usb_sndctrlpipe(port->serial->dev, 0),
-			    FTDI_SIO_SET_DATA_REQUEST, 
+			    FTDI_SIO_SET_DATA_REQUEST,
 			    FTDI_SIO_SET_DATA_REQUEST_TYPE,
 			    urb_value , priv->interface,
 			    buf, 0, WDR_TIMEOUT) < 0) {
 		err("%s FAILED to enable/disable break state (state was %d)", __FUNCTION__,break_state);
-	}	   
+	}
 
 	dbg("%s break state is %d - urb is %d", __FUNCTION__,break_state, urb_value);
-	
+
 }
 
 
@@ -1883,12 +1883,12 @@ static void ftdi_set_termios (struct usb_serial_port *port, struct termios *old_
 	struct ftdi_private *priv = usb_get_serial_port_data(port);
 	__u16 urb_value; /* will hold the new flags */
 	char buf[1]; /* Perhaps I should dynamically alloc this? */
-	
+
 	// Added for xon/xoff support
 	unsigned int iflag = port->tty->termios->c_iflag;
 	unsigned char vstop;
 	unsigned char vstart;
-	
+
 	dbg("%s", __FUNCTION__);
 
 	/* Force baud rate if this device requires it, unless it is set to B0. */
@@ -1906,20 +1906,20 @@ static void ftdi_set_termios (struct usb_serial_port *port, struct termios *old_
 
 	cflag = port->tty->termios->c_cflag;
 
-	/* FIXME -For this cut I don't care if the line is really changing or 
-	   not  - so just do the change regardless  - should be able to 
+	/* FIXME -For this cut I don't care if the line is really changing or
+	   not  - so just do the change regardless  - should be able to
 	   compare old_termios and tty->termios */
-	/* NOTE These routines can get interrupted by 
-	   ftdi_sio_read_bulk_callback  - need to examine what this 
+	/* NOTE These routines can get interrupted by
+	   ftdi_sio_read_bulk_callback  - need to examine what this
            means - don't see any problems yet */
-	
+
 	/* Set number of data bits, parity, stop bits */
-	
+
 	urb_value = 0;
 	urb_value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 :
 		      FTDI_SIO_SET_DATA_STOP_BITS_1);
-	urb_value |= (cflag & PARENB ? 
-		      (cflag & PARODD ? FTDI_SIO_SET_DATA_PARITY_ODD : 
+	urb_value |= (cflag & PARENB ?
+		      (cflag & PARODD ? FTDI_SIO_SET_DATA_PARITY_ODD :
 		       FTDI_SIO_SET_DATA_PARITY_EVEN) :
 		      FTDI_SIO_SET_DATA_PARITY_NONE);
 	if (cflag & CSIZE) {
@@ -1936,25 +1936,25 @@ static void ftdi_set_termios (struct usb_serial_port *port, struct termios *old_
 	/* This is needed by the break command since it uses the same command - but is
 	 *  or'ed with this value  */
 	priv->last_set_data_urb_value = urb_value;
-	
+
 	if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
-			    FTDI_SIO_SET_DATA_REQUEST, 
+			    FTDI_SIO_SET_DATA_REQUEST,
 			    FTDI_SIO_SET_DATA_REQUEST_TYPE,
 			    urb_value , priv->interface,
 			    buf, 0, WDR_SHORT_TIMEOUT) < 0) {
 		err("%s FAILED to set databits/stopbits/parity", __FUNCTION__);
-	}	   
+	}
 
 	/* Now do the baudrate */
 	if ((cflag & CBAUD) == B0 ) {
 		/* Disable flow control */
 		if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
-				    FTDI_SIO_SET_FLOW_CTRL_REQUEST, 
+				    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
-				    0, priv->interface, 
+				    0, priv->interface,
 				    buf, 0, WDR_TIMEOUT) < 0) {
 			err("%s error from disable flowcontrol urb", __FUNCTION__);
-		}	    
+		}
 		/* Drop RTS and DTR */
 		clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
 	} else {
@@ -1972,16 +1972,16 @@ static void ftdi_set_termios (struct usb_serial_port *port, struct termios *old_
 	/* Note device also supports DTR/CD (ugh) and Xon/Xoff in hardware */
 	if (cflag & CRTSCTS) {
 		dbg("%s Setting to CRTSCTS flow control", __FUNCTION__);
-		if (usb_control_msg(dev, 
+		if (usb_control_msg(dev,
 				    usb_sndctrlpipe(dev, 0),
-				    FTDI_SIO_SET_FLOW_CTRL_REQUEST, 
+				    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
 				    0 , (FTDI_SIO_RTS_CTS_HS | priv->interface),
 				    buf, 0, WDR_TIMEOUT) < 0) {
 			err("urb failed to set to rts/cts flow control");
-		}		
-		
-	} else { 
+		}
+
+	} else {
 		/*
 		 * Xon/Xoff code
 		 *
@@ -2011,16 +2011,16 @@ static void ftdi_set_termios (struct usb_serial_port *port, struct termios *old_
 			/* else clause to only run if cfag ! CRTSCTS and iflag ! XOFF */
 			/* CHECKME Assuming XON/XOFF handled by tty stack - not by device */
 			dbg("%s Turning off hardware flow control", __FUNCTION__);
-			if (usb_control_msg(dev, 
+			if (usb_control_msg(dev,
 					    usb_sndctrlpipe(dev, 0),
-					    FTDI_SIO_SET_FLOW_CTRL_REQUEST, 
+					    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
 					    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
-					    0, priv->interface, 
+					    0, priv->interface,
 					    buf, 0, WDR_TIMEOUT) < 0) {
 				err("urb failed to clear flow control");
-			}				
+			}
 		}
-		
+
 	}
 	return;
 } /* ftdi_termios */
@@ -2036,11 +2036,11 @@ static int ftdi_tiocmget (struct usb_serial_port *port, struct file *file)
 	switch (priv->chip_type) {
 	case SIO:
 		/* Request the status from the device */
-		if ((ret = usb_control_msg(port->serial->dev, 
+		if ((ret = usb_control_msg(port->serial->dev,
 					   usb_rcvctrlpipe(port->serial->dev, 0),
-					   FTDI_SIO_GET_MODEM_STATUS_REQUEST, 
+					   FTDI_SIO_GET_MODEM_STATUS_REQUEST,
 					   FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
-					   0, 0, 
+					   0, 0,
 					   buf, 1, WDR_TIMEOUT)) < 0 ) {
 			err("%s Could not get modem status of device - err: %d", __FUNCTION__,
 			    ret);
@@ -2052,11 +2052,11 @@ static int ftdi_tiocmget (struct usb_serial_port *port, struct file *file)
 	case FT2232C:
 		/* the 8U232AM returns a two byte value (the sio is a 1 byte value) - in the same
 		   format as the data returned from the in point */
-		if ((ret = usb_control_msg(port->serial->dev, 
+		if ((ret = usb_control_msg(port->serial->dev,
 					   usb_rcvctrlpipe(port->serial->dev, 0),
-					   FTDI_SIO_GET_MODEM_STATUS_REQUEST, 
+					   FTDI_SIO_GET_MODEM_STATUS_REQUEST,
 					   FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
-					   0, priv->interface, 
+					   0, priv->interface,
 					   buf, 2, WDR_TIMEOUT)) < 0 ) {
 			err("%s Could not get modem status of device - err: %d", __FUNCTION__,
 			    ret);
@@ -2067,12 +2067,12 @@ static int ftdi_tiocmget (struct usb_serial_port *port, struct file *file)
 		return -EFAULT;
 		break;
 	}
-	
+
 	return  (buf[0] & FTDI_SIO_DSR_MASK ? TIOCM_DSR : 0) |
 		(buf[0] & FTDI_SIO_CTS_MASK ? TIOCM_CTS : 0) |
 		(buf[0]  & FTDI_SIO_RI_MASK  ? TIOCM_RI  : 0) |
 		(buf[0]  & FTDI_SIO_RLSD_MASK ? TIOCM_CD  : 0) |
-		priv->last_dtr_rts;			
+		priv->last_dtr_rts;
 }
 
 static int ftdi_tiocmset(struct usb_serial_port *port, struct file * file, unsigned int set, unsigned int clear)
@@ -2138,11 +2138,11 @@ static int ftdi_ioctl (struct usb_serial_port *port, struct file * file, unsigne
 		break;
 	default:
 		break;
-		
+
 	}
 
 
-	/* This is not necessarily an error - turns out the higher layers will do 
+	/* This is not necessarily an error - turns out the higher layers will do
 	 *  some ioctls itself (see comment above)
 	 */
 	dbg("%s arg not supported - it was 0x%04x - check /usr/include/asm/ioctls.h", __FUNCTION__, cmd);
@@ -2199,7 +2199,7 @@ static int __init ftdi_init (void)
 	if (retval)
 		goto failed_sio_register;
 	retval = usb_register(&ftdi_driver);
-	if (retval) 
+	if (retval)
 		goto failed_usb_register;
 
 	info(DRIVER_VERSION ":" DRIVER_DESC);
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
new file mode 100644
index 00000000000..82cd15b894b
--- /dev/null
+++ b/drivers/usb/serial/mos7720.c
@@ -0,0 +1,1683 @@
+/*
+ * mos7720.c
+ *   Controls the Moschip 7720 usb to dual port serial convertor
+ *
+ * Copyright 2006 Moschip Semiconductor Tech. Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2 of the License.
+ *
+ * Developed by:
+ * 	VijayaKumar.G.N. <vijaykumar@aspirecom.net>
+ *	AjayKumar <ajay@aspirecom.net>
+ *	Gurudeva.N. <gurudev@aspirecom.net>
+ *
+ * Cleaned up from the original by:
+ *	Greg Kroah-Hartman <gregkh@suse.de>
+ *
+ * Originally based on drivers/usb/serial/io_edgeport.c which is:
+ *	Copyright (C) 2000 Inside Out Networks, All rights reserved.
+ *	Copyright (C) 2001-2002 Greg Kroah-Hartman <greg@kroah.com>
+ */
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/tty.h>
+#include <linux/tty_driver.h>
+#include <linux/tty_flip.h>
+#include <linux/module.h>
+#include <linux/spinlock.h>
+#include <linux/serial.h>
+#include <linux/serial_reg.h>
+#include <linux/usb.h>
+#include <linux/usb/serial.h>
+#include <asm/uaccess.h>
+
+
+/*
+ * Version Information
+ */
+#define DRIVER_VERSION "1.0.0.4F"
+#define DRIVER_AUTHOR "Aspire Communications pvt Ltd."
+#define DRIVER_DESC "Moschip USB Serial Driver"
+
+/* default urb timeout */
+#define MOS_WDR_TIMEOUT	(HZ * 5)
+
+#define MOS_PORT1	0x0200
+#define MOS_PORT2	0x0300
+#define MOS_VENREG	0x0000
+#define MOS_MAX_PORT	0x02
+#define MOS_WRITE	0x0E
+#define MOS_READ	0x0D
+
+/* Interrupt Rotinue Defines	*/
+#define SERIAL_IIR_RLS	0x06
+#define SERIAL_IIR_RDA	0x04
+#define SERIAL_IIR_CTI	0x0c
+#define SERIAL_IIR_THR	0x02
+#define SERIAL_IIR_MS	0x00
+
+#define NUM_URBS			16	/* URB Count */
+#define URB_TRANSFER_BUFFER_SIZE	32	/* URB Size */
+
+/* This structure holds all of the local port information */
+struct moschip_port
+{
+	__u8	shadowLCR;		/* last LCR value received */
+	__u8	shadowMCR;		/* last MCR value received */
+	__u8	shadowMSR;		/* last MSR value received */
+	char			open;
+	struct async_icount	icount;
+	struct usb_serial_port	*port;	/* loop back to the owner */
+	struct urb		*write_urb_pool[NUM_URBS];
+};
+
+/* This structure holds all of the individual serial device information */
+struct moschip_serial
+{
+	int interrupt_started;
+};
+
+static int debug;
+
+#define USB_VENDOR_ID_MOSCHIP		0x9710
+#define MOSCHIP_DEVICE_ID_7720		0x7720
+#define MOSCHIP_DEVICE_ID_7715		0x7715
+
+static struct usb_device_id moschip_port_id_table [] = {
+	{ USB_DEVICE(USB_VENDOR_ID_MOSCHIP,MOSCHIP_DEVICE_ID_7720) },
+	{ } /* terminating entry */
+};
+MODULE_DEVICE_TABLE(usb, moschip_port_id_table);
+
+
+/*
+ * mos7720_interrupt_callback
+ *	this is the callback function for when we have received data on the
+ *	interrupt endpoint.
+ */
+static void mos7720_interrupt_callback(struct urb *urb)
+{
+	int result;
+	int length;
+	__u32 *data;
+	unsigned int status;
+	__u8 sp1;
+	__u8 sp2;
+	__u8 st;
+
+	dbg("%s"," : Entering\n");
+
+	if (!urb) {
+		dbg("%s","Invalid Pointer !!!!:\n");
+		return;
+	}
+
+	switch (urb->status) {
+	case 0:
+		/* success */
+		break;
+	case -ECONNRESET:
+	case -ENOENT:
+	case -ESHUTDOWN:
+		/* this urb is terminated, clean up */
+		dbg("%s - urb shutting down with status: %d", __FUNCTION__,
+		    urb->status);
+		return;
+	default:
+		dbg("%s - nonzero urb status received: %d", __FUNCTION__,
+		    urb->status);
+		goto exit;
+	}
+
+	length = urb->actual_length;
+	data = urb->transfer_buffer;
+
+	/* Moschip get 4 bytes
+	 * Byte 1 IIR Port 1 (port.number is 0)
+	 * Byte 2 IIR Port 2 (port.number is 1)
+	 * Byte 3 --------------
+	 * Byte 4 FIFO status for both */
+	if (length && length > 4) {
+		dbg("Wrong data !!!");
+		return;
+	}
+
+	status = *data;
+
+	sp1 = (status & 0xff000000)>>24;
+	sp2 = (status & 0x00ff0000)>>16;
+	st = status & 0x000000ff;
+
+	if ((sp1 & 0x01) || (sp2 & 0x01)) {
+		/* No Interrupt Pending in both the ports */
+		dbg("No Interrupt !!!");
+	} else {
+		switch (sp1 & 0x0f) {
+		case SERIAL_IIR_RLS:
+			dbg("Serial Port 1: Receiver status error or address "
+			    "bit detected in 9-bit mode\n");
+			break;
+		case SERIAL_IIR_CTI:
+			dbg("Serial Port 1: Receiver time out");
+			break;
+		case SERIAL_IIR_MS:
+			dbg("Serial Port 1: Modem status change");
+			break;
+		}
+
+		switch (sp2 & 0x0f) {
+		case SERIAL_IIR_RLS:
+			dbg("Serial Port 2: Receiver status error or address "
+			    "bit detected in 9-bit mode");
+			break;
+		case SERIAL_IIR_CTI:
+			dbg("Serial Port 2: Receiver time out");
+			break;
+		case SERIAL_IIR_MS:
+			dbg("Serial Port 2: Modem status change");
+			break;
+		}
+	}
+
+exit:
+	result = usb_submit_urb(urb, GFP_ATOMIC);
+	if (result)
+		dev_err(&urb->dev->dev,
+			"%s - Error %d submitting control urb\n",
+			__FUNCTION__, result);
+	return;
+}
+
+/*
+ * mos7720_bulk_in_callback
+ *	this is the callback function for when we have received data on the
+ *	bulk in endpoint.
+ */
+static void mos7720_bulk_in_callback(struct urb *urb)
+{
+	int status;
+	unsigned char *data ;
+	struct usb_serial_port *port;
+	struct moschip_port *mos7720_port;
+	struct tty_struct *tty;
+
+	if (urb->status) {
+		dbg("nonzero read bulk status received: %d",urb->status);
+		return;
+	}
+
+	mos7720_port = urb->context;
+	if (!mos7720_port) {
+		dbg("%s","NULL mos7720_port pointer \n");
+		return ;
+	}
+
+	port = mos7720_port->port;
+
+	dbg("Entering...%s", __FUNCTION__);
+
+	data = urb->transfer_buffer;
+
+	tty = port->tty;
+	if (tty && urb->actual_length) {
+		tty_buffer_request_room(tty, urb->actual_length);
+		tty_insert_flip_string(tty, data, urb->actual_length);
+		tty_flip_buffer_push(tty);
+	}
+
+	if (!port->read_urb) {
+		dbg("URB KILLED !!!");
+		return;
+	}
+
+	if (port->read_urb->status != -EINPROGRESS) {
+		port->read_urb->dev = port->serial->dev;
+
+		status = usb_submit_urb(port->read_urb, GFP_ATOMIC);
+		if (status)
+			dbg("usb_submit_urb(read bulk) failed, status = %d",
+			    status);
+	}
+}
+
+/*
+ * mos7720_bulk_out_data_callback
+ *	this is the callback function for when we have finished sending serial
+ *	data on the bulk out endpoint.
+ */
+static void mos7720_bulk_out_data_callback(struct urb *urb)
+{
+	struct moschip_port *mos7720_port;
+	struct tty_struct *tty;
+
+	if (urb->status) {
+		dbg("nonzero write bulk status received:%d", urb->status);
+		return;
+	}
+
+	mos7720_port = urb->context;
+	if (!mos7720_port) {
+		dbg("NULL mos7720_port pointer");
+		return ;
+	}
+
+	dbg("Entering .........");
+
+	tty = mos7720_port->port->tty;
+
+	if (tty && mos7720_port->open) {
+		/* let the tty driver wakeup if it has a special *
+		 * write_wakeup function */
+		if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
+		     tty->ldisc.write_wakeup)
+			(tty->ldisc.write_wakeup)(tty);
+
+		/* tell the tty driver that something has changed */
+		wake_up_interruptible(&tty->write_wait);
+	}
+
+	/* schedule_work(&mos7720_port->port->work); */
+}
+
+/*
+ * send_mos_cmd
+ *	this function will be used for sending command to device
+ */
+static int send_mos_cmd(struct usb_serial *serial, __u8 request, __u16 value,
+			__u16 index, void *data)
+{
+	int status;
+	unsigned int pipe;
+	u16 product = le16_to_cpu(serial->dev->descriptor.idProduct);
+	__u8 requesttype;
+	__u16 size = 0x0000;
+
+	if (value < MOS_MAX_PORT) {
+		if (product == MOSCHIP_DEVICE_ID_7715) {
+			value = value*0x100+0x100;
+		} else {
+			value = value*0x100+0x200;
+		}
+	} else {
+		value = 0x0000;
+		if ((product == MOSCHIP_DEVICE_ID_7715) &&
+		    (index != 0x08)) {
+			dbg("serial->product== MOSCHIP_DEVICE_ID_7715");
+			//index = 0x01 ;
+		}
+	}
+
+	if (request == MOS_WRITE) {
+		request = (__u8)MOS_WRITE;
+		requesttype = (__u8)0x40;
+		value  = value + (__u16)*((unsigned char *)data);
+		data = NULL;
+		pipe = usb_sndctrlpipe(serial->dev, 0);
+	} else {
+		request = (__u8)MOS_READ;
+		requesttype = (__u8)0xC0;
+		size = 0x01;
+		pipe = usb_rcvctrlpipe(serial->dev,0);
+	}
+
+	status = usb_control_msg(serial->dev, pipe, request, requesttype,
+				 value, index, data, size, MOS_WDR_TIMEOUT);
+
+	if (status < 0)
+		dbg("Command Write failed Value %x index %x\n",value,index);
+
+	return status;
+}
+
+static int mos7720_open(struct usb_serial_port *port, struct file * filp)
+{
+	struct usb_serial *serial;
+	struct usb_serial_port *port0;
+	struct urb *urb;
+	struct moschip_serial *mos7720_serial;
+	struct moschip_port *mos7720_port;
+	int response;
+	int port_number;
+	char data;
+	int j;
+
+	serial = port->serial;
+
+	mos7720_port = usb_get_serial_port_data(port);
+	if (mos7720_port == NULL)
+		return -ENODEV;
+
+	port0 = serial->port[0];
+
+	mos7720_serial = usb_get_serial_data(serial);
+
+	if (mos7720_serial == NULL || port0 == NULL)
+		return -ENODEV;
+
+	usb_clear_halt(serial->dev, port->write_urb->pipe);
+	usb_clear_halt(serial->dev, port->read_urb->pipe);
+
+	/* Initialising the write urb pool */
+	for (j = 0; j < NUM_URBS; ++j) {
+		urb = usb_alloc_urb(0,SLAB_ATOMIC);
+		mos7720_port->write_urb_pool[j] = urb;
+
+		if (urb == NULL) {
+			err("No more urbs???");
+			continue;
+		}
+
+		urb->transfer_buffer = kmalloc(URB_TRANSFER_BUFFER_SIZE,
+					       GFP_KERNEL);
+		if (!urb->transfer_buffer) {
+			err("%s-out of memory for urb buffers.", __FUNCTION__);
+			continue;
+		}
+	}
+
+	 /* Initialize MCS7720 -- Write Init values to corresponding Registers
+	  *
+	  * Register Index
+	  * 1 : IER
+	  * 2 : FCR
+	  * 3 : LCR
+	  * 4 : MCR
+	  *
+	  * 0x08 : SP1/2 Control Reg
+	  */
+	port_number = port->number - port->serial->minor;
+	send_mos_cmd(port->serial, MOS_READ, port_number, UART_LSR, &data);
+	dbg("SS::%p LSR:%x\n",mos7720_port, data);
+
+	dbg("Check:Sending Command ..........");
+
+	data = 0x02;
+	send_mos_cmd(serial, MOS_WRITE, MOS_MAX_PORT, 0x01, &data);
+	data = 0x02;
+	send_mos_cmd(serial, MOS_WRITE, MOS_MAX_PORT, 0x02, &data);
+
+	data = 0x00;
+	send_mos_cmd(serial, MOS_WRITE, port_number, 0x01, &data);
+	data = 0x00;
+	send_mos_cmd(serial, MOS_WRITE, port_number, 0x02, &data);
+
+	data = 0xCF;
+	send_mos_cmd(serial, MOS_WRITE, port_number, 0x02, &data);
+	data = 0x03;
+        mos7720_port->shadowLCR  = data;
+	send_mos_cmd(serial, MOS_WRITE, port_number, 0x03, &data);
+	data = 0x0b;
+        mos7720_port->shadowMCR  = data;
+	send_mos_cmd(serial, MOS_WRITE, port_number, 0x04, &data);
+	data = 0x0b;
+	send_mos_cmd(serial, MOS_WRITE, port_number, 0x04, &data);
+
+	data = 0x00;
+	send_mos_cmd(serial, MOS_READ, MOS_MAX_PORT, 0x08, &data);
+	data = 0x00;
+	send_mos_cmd(serial, MOS_WRITE, MOS_MAX_PORT, 0x08, &data);
+
+/*	data = 0x00;
+	send_mos_cmd(serial, MOS_READ, MOS_MAX_PORT, port_number + 1, &data);
+	data = 0x03;
+	send_mos_cmd(serial, MOS_WRITE, MOS_MAX_PORT, port_number + 1, &data);
+	data = 0x00;
+	send_mos_cmd(port->serial, MOS_WRITE, MOS_MAX_PORT, port_number + 1, &data);
+*/
+	data = 0x00;
+	send_mos_cmd(serial, MOS_READ, MOS_MAX_PORT, 0x08, &data);
+
+	data = data | (port->number - port->serial->minor + 1);
+	send_mos_cmd(serial, MOS_WRITE, MOS_MAX_PORT, 0x08, &data);
+
+	data = 0x83;
+        mos7720_port->shadowLCR  = data;
+	send_mos_cmd(serial, MOS_WRITE, port_number, 0x03, &data);
+	data = 0x0c;
+	send_mos_cmd(serial, MOS_WRITE, port_number, 0x00, &data);
+	data = 0x00;
+	send_mos_cmd(serial, MOS_WRITE, port_number, 0x01, &data);
+	data = 0x03;
+        mos7720_port->shadowLCR  = data;
+	send_mos_cmd(serial, MOS_WRITE, port_number, 0x03, &data);
+	data = 0x0c;
+	send_mos_cmd(serial, MOS_WRITE, port_number, 0x01, &data);
+	data = 0x0c;
+	send_mos_cmd(serial, MOS_WRITE, port_number, 0x01, &data);
+
+//Matrix
+
+	/* force low_latency on so that our tty_push actually forces *
+	 * the data through,otherwise it is scheduled, and with      *
+	 * high data rates (like with OHCI) data can get lost.       */
+
+	if (port->tty)
+		port->tty->low_latency = 1;
+
+	/* see if we've set up our endpoint info yet   *
+	 * (can't set it up in mos7720_startup as the  *
+	 * structures were not set up at that time.)   */
+	if (!mos7720_serial->interrupt_started) {
+		dbg("Interrupt buffer NULL !!!");
+
+		/* not set up yet, so do it now */
+		mos7720_serial->interrupt_started = 1;
+
+		dbg("To Submit URB !!!");
+
+		/* set up our interrupt urb */
+		usb_fill_int_urb(port0->interrupt_in_urb, serial->dev,
+				 usb_rcvintpipe(serial->dev,
+				 		port->interrupt_in_endpointAddress),
+				 port0->interrupt_in_buffer,
+				 port0->interrupt_in_urb->transfer_buffer_length,
+				 mos7720_interrupt_callback, mos7720_port,
+				 port0->interrupt_in_urb->interval);
+
+		/* start interrupt read for this mos7720 this interrupt *
+	         * will continue as long as the mos7720 is connected    */
+		dbg("Submit URB over !!!");
+		response = usb_submit_urb(port0->interrupt_in_urb, GFP_KERNEL);
+		if (response)
+			dev_err(&port->dev,
+				"%s - Error %d submitting control urb",
+				__FUNCTION__, response);
+	}
+
+	/* set up our bulk in urb */
+	usb_fill_bulk_urb(port->read_urb, serial->dev,
+			  usb_rcvbulkpipe(serial->dev,
+			  		  port->bulk_in_endpointAddress),
+			  port->bulk_in_buffer,
+			  port->read_urb->transfer_buffer_length,
+			  mos7720_bulk_in_callback, mos7720_port);
+	response = usb_submit_urb(port->read_urb, GFP_KERNEL);
+	if (response)
+		dev_err(&port->dev,
+			"%s - Error %d submitting read urb", __FUNCTION__, response);
+
+	/* initialize our icount structure */
+	memset(&(mos7720_port->icount), 0x00, sizeof(mos7720_port->icount));
+
+	/* initialize our port settings */
+	mos7720_port->shadowMCR = UART_MCR_OUT2; /* Must set to enable ints! */
+
+	/* send a open port command */
+	mos7720_port->open = 1;
+
+	return 0;
+}
+
+/*
+ * mos7720_chars_in_buffer
+ *	this function is called by the tty driver when it wants to know how many
+ *	bytes of data we currently have outstanding in the port (data that has
+ *	been written, but hasn't made it out the port yet)
+ *	If successful, we return the number of bytes left to be written in the
+ *	system,
+ *	Otherwise we return a negative error number.
+ */
+static int mos7720_chars_in_buffer(struct usb_serial_port *port)
+{
+	int i;
+	int chars = 0;
+	struct moschip_port *mos7720_port;
+
+	dbg("%s:entering ...........", __FUNCTION__);
+
+	mos7720_port = usb_get_serial_port_data(port);
+	if (mos7720_port == NULL) {
+		dbg("%s:leaving ...........", __FUNCTION__);
+		return -ENODEV;
+	}
+
+	for (i = 0; i < NUM_URBS; ++i) {
+		if (mos7720_port->write_urb_pool[i]->status == -EINPROGRESS)
+			chars += URB_TRANSFER_BUFFER_SIZE;
+	}
+	dbg("%s - returns %d", __FUNCTION__, chars);
+	return chars;
+}
+
+static void mos7720_close(struct usb_serial_port *port, struct file *filp)
+{
+	struct usb_serial *serial;
+	struct moschip_port *mos7720_port;
+	char data;
+	int j;
+
+	dbg("mos7720_close:entering...");
+
+	serial = port->serial;
+
+	mos7720_port = usb_get_serial_port_data(port);
+	if (mos7720_port == NULL)
+		return;
+
+	for (j = 0; j < NUM_URBS; ++j)
+		usb_kill_urb(mos7720_port->write_urb_pool[j]);
+
+	/* Freeing Write URBs */
+	for (j = 0; j < NUM_URBS; ++j) {
+		if (mos7720_port->write_urb_pool[j]) {
+			kfree(mos7720_port->write_urb_pool[j]->transfer_buffer);
+			usb_free_urb(mos7720_port->write_urb_pool[j]);
+		}
+	}
+
+	/* While closing port, shutdown all bulk read, write  *
+	 * and interrupt read if they exists                  */
+	if (serial->dev) {
+		dbg("Shutdown bulk write");
+		usb_kill_urb(port->write_urb);
+		dbg("Shutdown bulk read");
+		usb_kill_urb(port->read_urb);
+	}
+
+	data = 0x00;
+	send_mos_cmd(serial, MOS_WRITE, port->number - port->serial->minor,
+		     0x04, &data);
+
+	data = 0x00;
+	send_mos_cmd(serial, MOS_WRITE, port->number - port->serial->minor,
+		     0x01, &data);
+
+	mos7720_port->open = 0;
+
+	dbg("Leaving %s", __FUNCTION__);
+}
+
+static void mos7720_break(struct usb_serial_port *port, int break_state)
+{
+        unsigned char data;
+	struct usb_serial *serial;
+	struct moschip_port *mos7720_port;
+
+	dbg("Entering %s", __FUNCTION__);
+
+	serial = port->serial;
+
+	mos7720_port = usb_get_serial_port_data(port);
+	if (mos7720_port == NULL)
+		return;
+
+	if (break_state == -1)
+		data = mos7720_port->shadowLCR | UART_LCR_SBC;
+	else
+		data = mos7720_port->shadowLCR & ~UART_LCR_SBC;
+
+	mos7720_port->shadowLCR  = data;
+	send_mos_cmd(serial, MOS_WRITE, port->number - port->serial->minor,
+		     0x03, &data);
+
+	return;
+}
+
+/*
+ * mos7720_write_room
+ *	this function is called by the tty driver when it wants to know how many
+ *	bytes of data we can accept for a specific port.
+ *	If successful, we return the amount of room that we have for this port
+ *	Otherwise we return a negative error number.
+ */
+static int mos7720_write_room(struct usb_serial_port *port)
+{
+	struct moschip_port *mos7720_port;
+	int room = 0;
+	int i;
+
+	dbg("%s:entering ...........", __FUNCTION__);
+
+	mos7720_port = usb_get_serial_port_data(port);
+	if (mos7720_port == NULL) {
+		dbg("%s:leaving ...........", __FUNCTION__);
+		return -ENODEV;
+	}
+
+	for (i = 0; i < NUM_URBS; ++i) {
+		if (mos7720_port->write_urb_pool[i]->status != -EINPROGRESS)
+			room += URB_TRANSFER_BUFFER_SIZE;
+	}
+
+	dbg("%s - returns %d", __FUNCTION__, room);
+	return room;
+}
+
+static int mos7720_write(struct usb_serial_port *port,
+			 const unsigned char *data, int count)
+{
+	int status;
+	int i;
+	int bytes_sent = 0;
+	int transfer_size;
+
+	struct moschip_port *mos7720_port;
+	struct usb_serial *serial;
+	struct urb    *urb;
+	const unsigned char *current_position = data;
+
+	dbg("%s:entering ...........", __FUNCTION__);
+
+	serial = port->serial;
+
+	mos7720_port = usb_get_serial_port_data(port);
+	if (mos7720_port == NULL) {
+		dbg("mos7720_port is NULL");
+		return -ENODEV;
+	}
+
+	/* try to find a free urb in the list */
+	urb = NULL;
+
+	for (i = 0; i < NUM_URBS; ++i) {
+		if (mos7720_port->write_urb_pool[i]->status != -EINPROGRESS) {
+			urb = mos7720_port->write_urb_pool[i];
+			dbg("URB:%d",i);
+			break;
+		}
+	}
+
+	if (urb == NULL) {
+		dbg("%s - no more free urbs", __FUNCTION__);
+		goto exit;
+	}
+
+	if (urb->transfer_buffer == NULL) {
+		urb->transfer_buffer = kmalloc(URB_TRANSFER_BUFFER_SIZE,
+					       GFP_KERNEL);
+		if (urb->transfer_buffer == NULL) {
+			err("%s no more kernel memory...", __FUNCTION__);
+			goto exit;
+		}
+	}
+	transfer_size = min (count, URB_TRANSFER_BUFFER_SIZE);
+
+	memcpy(urb->transfer_buffer, current_position, transfer_size);
+	usb_serial_debug_data(debug, &port->dev, __FUNCTION__, transfer_size,
+			      urb->transfer_buffer);
+
+	/* fill urb with data and submit  */
+	usb_fill_bulk_urb(urb, serial->dev,
+			  usb_sndbulkpipe(serial->dev,
+			  		  port->bulk_out_endpointAddress),
+			  urb->transfer_buffer, transfer_size,
+			  mos7720_bulk_out_data_callback, mos7720_port);
+
+	/* send it down the pipe */
+	status = usb_submit_urb(urb,GFP_ATOMIC);
+	if (status) {
+		err("%s - usb_submit_urb(write bulk) failed with status = %d",
+		    __FUNCTION__, status);
+		bytes_sent = status;
+		goto exit;
+	}
+	bytes_sent = transfer_size;
+
+exit:
+	return bytes_sent;
+}
+
+static void mos7720_throttle(struct usb_serial_port *port)
+{
+	struct moschip_port *mos7720_port;
+	struct tty_struct *tty;
+	int status;
+
+	dbg("%s- port %d\n", __FUNCTION__, port->number);
+
+	mos7720_port = usb_get_serial_port_data(port);
+
+	if (mos7720_port == NULL)
+		return;
+
+	if (!mos7720_port->open) {
+		dbg("port not opened");
+		return;
+	}
+
+	dbg("%s: Entering ..........", __FUNCTION__);
+
+	tty = port->tty;
+	if (!tty) {
+		dbg("%s - no tty available", __FUNCTION__);
+		return;
+	}
+
+	/* if we are implementing XON/XOFF, send the stop character */
+	if (I_IXOFF(tty)) {
+		unsigned char stop_char = STOP_CHAR(tty);
+		status = mos7720_write(port, &stop_char, 1);
+		if (status <= 0)
+			return;
+	}
+
+	/* if we are implementing RTS/CTS, toggle that line */
+	if (tty->termios->c_cflag & CRTSCTS) {
+		mos7720_port->shadowMCR &= ~UART_MCR_RTS;
+		status = send_mos_cmd(port->serial, MOS_WRITE,
+				      port->number - port->serial->minor,
+				      UART_MCR, &mos7720_port->shadowMCR);
+		if (status != 0)
+			return;
+	}
+}
+
+static void mos7720_unthrottle(struct usb_serial_port *port)
+{
+	struct tty_struct *tty;
+	int status;
+	struct moschip_port *mos7720_port = usb_get_serial_port_data(port);
+
+	if (mos7720_port == NULL)
+		return;
+
+	if (!mos7720_port->open) {
+		dbg("%s - port not opened", __FUNCTION__);
+		return;
+	}
+
+	dbg("%s: Entering ..........", __FUNCTION__);
+
+	tty = port->tty;
+	if (!tty) {
+		dbg("%s - no tty available", __FUNCTION__);
+		return;
+	}
+
+	/* if we are implementing XON/XOFF, send the start character */
+	if (I_IXOFF(tty)) {
+		unsigned char start_char = START_CHAR(tty);
+		status = mos7720_write(port, &start_char, 1);
+		if (status <= 0)
+			return;
+	}
+
+	/* if we are implementing RTS/CTS, toggle that line */
+	if (tty->termios->c_cflag & CRTSCTS) {
+		mos7720_port->shadowMCR |= UART_MCR_RTS;
+		status = send_mos_cmd(port->serial, MOS_WRITE,
+				      port->number - port->serial->minor,
+				      UART_MCR, &mos7720_port->shadowMCR);
+		if (status != 0)
+			return;
+	}
+}
+
+static int set_higher_rates(struct moschip_port *mos7720_port,
+			    unsigned int baud)
+{
+	unsigned char data;
+	struct usb_serial_port *port;
+	struct usb_serial *serial;
+	int port_number;
+
+	if (mos7720_port == NULL)
+		return -EINVAL;
+
+	port = mos7720_port->port;
+	serial = port->serial;
+
+        /***********************************************
+         *      Init Sequence for higher rates
+         ***********************************************/
+	dbg("Sending Setting Commands ..........");
+	port_number = port->number - port->serial->minor;
+
+	data = 0x000;
+	send_mos_cmd(serial, MOS_WRITE, port_number, 0x01, &data);
+	data = 0x000;
+	send_mos_cmd(serial, MOS_WRITE, port_number, 0x02, &data);
+	data = 0x0CF;
+	send_mos_cmd(serial, MOS_WRITE, port->number, 0x02, &data);
+	data = 0x00b;
+        mos7720_port->shadowMCR  = data;
+	send_mos_cmd(serial, MOS_WRITE, port_number, 0x04, &data);
+	data = 0x00b;
+	send_mos_cmd(serial, MOS_WRITE, port_number, 0x04, &data);
+
+	data = 0x000;
+	send_mos_cmd(serial, MOS_READ, MOS_MAX_PORT, 0x08, &data);
+	data = 0x000;
+	send_mos_cmd(serial, MOS_WRITE, MOS_MAX_PORT, 0x08, &data);
+
+
+        /***********************************************
+         *              Set for higher rates           *
+         ***********************************************/
+
+	data = baud * 0x10;
+	send_mos_cmd(serial, MOS_WRITE, MOS_MAX_PORT, port_number + 1,&data);
+
+	data = 0x003;
+	send_mos_cmd(serial, MOS_READ, MOS_MAX_PORT, 0x08, &data);
+	data = 0x003;
+	send_mos_cmd(serial, MOS_WRITE, MOS_MAX_PORT, 0x08, &data);
+
+	data = 0x02b;
+        mos7720_port->shadowMCR  = data;
+	send_mos_cmd(serial, MOS_WRITE, port_number, 0x04, &data);
+	data = 0x02b;
+	send_mos_cmd(serial, MOS_WRITE, port_number, 0x04, &data);
+
+        /***********************************************
+         *              Set DLL/DLM
+         ***********************************************/
+
+	data = mos7720_port->shadowLCR | UART_LCR_DLAB;
+        mos7720_port->shadowLCR  = data;
+	send_mos_cmd(serial, MOS_WRITE, port_number, 0x03, &data);
+
+	data =  0x001; /* DLL */
+        send_mos_cmd(serial, MOS_WRITE, port_number, 0x00, &data);
+	data =  0x000; /* DLM */
+        send_mos_cmd(serial, MOS_WRITE, port_number, 0x01, &data);
+
+	data = mos7720_port->shadowLCR & ~UART_LCR_DLAB;
+        mos7720_port->shadowLCR  = data;
+	send_mos_cmd(serial, MOS_WRITE, port_number, 0x03, &data);
+
+	return 0;
+}
+
+/* baud rate information */
+struct divisor_table_entry
+{
+	__u32  baudrate;
+	__u16  divisor;
+};
+
+/* Define table of divisors for moschip 7720 hardware	   *
+ * These assume a 3.6864MHz crystal, the standard /16, and *
+ * MCR.7 = 0.						   */
+static struct divisor_table_entry divisor_table[] = {
+	{   50,		2304},
+	{   110,	1047},	/* 2094.545455 => 230450   => .0217 % over */
+	{   134,	857},	/* 1713.011152 => 230398.5 => .00065% under */
+	{   150,	768},
+	{   300,	384},
+	{   600,	192},
+	{   1200,	96},
+	{   1800,	64},
+	{   2400,	48},
+	{   4800,	24},
+	{   7200,	16},
+	{   9600,	12},
+	{   19200,	6},
+	{   38400,	3},
+	{   57600,	2},
+	{   115200,	1},
+};
+
+/*****************************************************************************
+ * calc_baud_rate_divisor
+ *	this function calculates the proper baud rate divisor for the specified
+ *	baud rate.
+ *****************************************************************************/
+static int calc_baud_rate_divisor(int baudrate, int *divisor)
+{
+	int i;
+	__u16 custom;
+	__u16 round1;
+	__u16 round;
+
+
+	dbg("%s - %d", __FUNCTION__, baudrate);
+
+	for (i = 0; i < ARRAY_SIZE(divisor_table); i++) {
+		if (divisor_table[i].baudrate == baudrate) {
+			*divisor = divisor_table[i].divisor;
+			return 0;
+		}
+	}
+
+        /* After trying for all the standard baud rates    *
+         * Try calculating the divisor for this baud rate  */
+	if (baudrate > 75 &&  baudrate < 230400) {
+		/* get the divisor */
+		custom = (__u16)(230400L  / baudrate);
+
+		/* Check for round off */
+		round1 = (__u16)(2304000L / baudrate);
+		round = (__u16)(round1 - (custom * 10));
+		if (round > 4)
+			custom++;
+		*divisor = custom;
+
+		dbg("Baud %d = %d",baudrate, custom);
+		return 0;
+	}
+
+	dbg("Baud calculation Failed...");
+	return -EINVAL;
+}
+
+/*
+ * send_cmd_write_baud_rate
+ *	this function sends the proper command to change the baud rate of the
+ *	specified port.
+ */
+static int send_cmd_write_baud_rate(struct moschip_port *mos7720_port,
+				    int baudrate)
+{
+	struct usb_serial_port *port;
+	struct usb_serial *serial;
+	int divisor;
+	int status;
+	unsigned char data;
+	unsigned char number;
+
+	if (mos7720_port == NULL)
+		return -1;
+
+	port = mos7720_port->port;
+	serial = port->serial;
+
+	dbg("%s: Entering ..........", __FUNCTION__);
+
+	number = port->number - port->serial->minor;
+	dbg("%s - port = %d, baud = %d", __FUNCTION__, port->number, baudrate);
+
+        /* Calculate the Divisor */
+	status = calc_baud_rate_divisor(baudrate, &divisor);
+	if (status) {
+		err("%s - bad baud rate", __FUNCTION__);
+		return status;
+	}
+
+        /* Enable access to divisor latch */
+        data = mos7720_port->shadowLCR | UART_LCR_DLAB;
+        mos7720_port->shadowLCR  = data;
+        send_mos_cmd(serial, MOS_WRITE, number, UART_LCR, &data);
+
+	/* Write the divisor */
+	data = ((unsigned char)(divisor & 0xff));
+        send_mos_cmd(serial, MOS_WRITE, number, 0x00, &data);
+
+	data = ((unsigned char)((divisor & 0xff00) >> 8));
+        send_mos_cmd(serial, MOS_WRITE, number, 0x01, &data);
+
+        /* Disable access to divisor latch */
+        data = mos7720_port->shadowLCR & ~UART_LCR_DLAB;
+        mos7720_port->shadowLCR = data;
+        send_mos_cmd(serial, MOS_WRITE, number, 0x03, &data);
+
+	return status;
+}
+
+/*
+ * change_port_settings
+ *	This routine is called to set the UART on the device to match
+ *      the specified new settings.
+ */
+static void change_port_settings(struct moschip_port *mos7720_port,
+				 struct termios *old_termios)
+{
+	struct usb_serial_port *port;
+	struct usb_serial *serial;
+	struct tty_struct *tty;
+	int baud;
+	unsigned cflag;
+	unsigned iflag;
+	__u8 mask = 0xff;
+	__u8 lData;
+	__u8 lParity;
+	__u8 lStop;
+	int status;
+	int port_number;
+	char data;
+
+	if (mos7720_port == NULL)
+		return ;
+
+	port = mos7720_port->port;
+	serial = port->serial;
+	port_number = port->number - port->serial->minor;
+
+	dbg("%s - port %d", __FUNCTION__, port->number);
+
+	if (!mos7720_port->open) {
+		dbg("%s - port not opened", __FUNCTION__);
+		return;
+	}
+
+	tty = mos7720_port->port->tty;
+
+	if ((!tty) || (!tty->termios)) {
+		dbg("%s - no tty structures", __FUNCTION__);
+		return;
+	}
+
+	dbg("%s: Entering ..........", __FUNCTION__);
+
+	lData = UART_LCR_WLEN8;
+	lStop = 0x00;	/* 1 stop bit */
+	lParity = 0x00;	/* No parity */
+
+	cflag = tty->termios->c_cflag;
+	iflag = tty->termios->c_iflag;
+
+	/* Change the number of bits */
+	switch (cflag & CSIZE) {
+	case CS5:
+		lData = UART_LCR_WLEN5;
+		mask = 0x1f;
+		break;
+
+	case CS6:
+		lData = UART_LCR_WLEN6;
+		mask = 0x3f;
+		break;
+
+	case CS7:
+		lData = UART_LCR_WLEN7;
+		mask = 0x7f;
+		break;
+	default:
+	case CS8:
+		lData = UART_LCR_WLEN8;
+		break;
+	}
+
+	/* Change the Parity bit */
+	if (cflag & PARENB) {
+		if (cflag & PARODD) {
+			lParity = UART_LCR_PARITY;
+			dbg("%s - parity = odd", __FUNCTION__);
+		} else {
+			lParity = (UART_LCR_EPAR | UART_LCR_PARITY);
+			dbg("%s - parity = even", __FUNCTION__);
+		}
+
+	} else {
+		dbg("%s - parity = none", __FUNCTION__);
+	}
+
+	if (cflag & CMSPAR)
+		lParity = lParity | 0x20;
+
+	/* Change the Stop bit */
+	if (cflag & CSTOPB) {
+		lStop = UART_LCR_STOP;
+		dbg("%s - stop bits = 2", __FUNCTION__);
+	} else {
+		lStop = 0x00;
+		dbg("%s - stop bits = 1", __FUNCTION__);
+	}
+
+#define LCR_BITS_MASK		0x03	/* Mask for bits/char field */
+#define LCR_STOP_MASK		0x04	/* Mask for stop bits field */
+#define LCR_PAR_MASK		0x38	/* Mask for parity field */
+
+	/* Update the LCR with the correct value */
+	mos7720_port->shadowLCR &= ~(LCR_BITS_MASK | LCR_STOP_MASK | LCR_PAR_MASK);
+	mos7720_port->shadowLCR |= (lData | lParity | lStop);
+
+
+	/* Disable Interrupts */
+	data = 0x00;
+        send_mos_cmd(serial,MOS_WRITE,port->number - port->serial->minor, UART_IER, &data);
+
+	data = 0x00;
+        send_mos_cmd(serial, MOS_WRITE, port_number, UART_FCR, &data);
+
+	data = 0xcf;
+        send_mos_cmd(serial, MOS_WRITE, port_number, UART_FCR, &data);
+
+	/* Send the updated LCR value to the mos7720 */
+	data = mos7720_port->shadowLCR;
+        send_mos_cmd(serial, MOS_WRITE, port_number, UART_LCR, &data);
+
+        data = 0x00b;
+        mos7720_port->shadowMCR = data;
+        send_mos_cmd(serial, MOS_WRITE, port_number, 0x04, &data);
+        data = 0x00b;
+        send_mos_cmd(serial, MOS_WRITE, port_number, 0x04, &data);
+
+	/* set up the MCR register and send it to the mos7720 */
+	mos7720_port->shadowMCR = UART_MCR_OUT2;
+	if (cflag & CBAUD)
+		mos7720_port->shadowMCR |= (UART_MCR_DTR | UART_MCR_RTS);
+
+	if (cflag & CRTSCTS) {
+		mos7720_port->shadowMCR |= (UART_MCR_XONANY);
+
+                /* To set hardware flow control to the specified *
+                 * serial port, in SP1/2_CONTROL_REG             */
+		if (port->number) {
+			data = 0x001;
+			send_mos_cmd(serial, MOS_WRITE, MOS_MAX_PORT,
+				     0x08, &data);
+		} else {
+			data = 0x002;
+			send_mos_cmd(serial, MOS_WRITE, MOS_MAX_PORT,
+				     0x08, &data);
+		}
+	} else {
+		mos7720_port->shadowMCR &= ~(UART_MCR_XONANY);
+	}
+
+	data = mos7720_port->shadowMCR;
+	send_mos_cmd(serial, MOS_WRITE, port_number, UART_MCR, &data);
+
+	/* Determine divisor based on baud rate */
+	baud = tty_get_baud_rate(tty);
+	if (!baud) {
+		/* pick a default, any default... */
+		dbg("Picked default baud...");
+		baud = 9600;
+	}
+
+	if (baud >= 230400) {
+		set_higher_rates(mos7720_port, baud);
+		/* Enable Interrupts */
+		data = 0x0c;
+		send_mos_cmd(serial, MOS_WRITE, port_number, UART_IER, &data);
+		return;
+	}
+
+	dbg("%s - baud rate = %d", __FUNCTION__, baud);
+	status = send_cmd_write_baud_rate(mos7720_port, baud);
+
+	/* Enable Interrupts */
+	data = 0x0c;
+	send_mos_cmd(serial, MOS_WRITE, port_number, UART_IER, &data);
+
+	if (port->read_urb->status != -EINPROGRESS) {
+		port->read_urb->dev = serial->dev;
+
+		status = usb_submit_urb(port->read_urb, GFP_ATOMIC);
+		if (status)
+			dbg("usb_submit_urb(read bulk) failed, status = %d",
+			    status);
+	}
+	return;
+}
+
+/*
+ * mos7720_set_termios
+ *	this function is called by the tty driver when it wants to change the
+ *	termios structure.
+ */
+static void mos7720_set_termios(struct usb_serial_port *port,
+				struct termios *old_termios)
+{
+	int status;
+	unsigned int cflag;
+	struct usb_serial *serial;
+	struct moschip_port *mos7720_port;
+	struct tty_struct *tty;
+
+	serial = port->serial;
+
+	mos7720_port = usb_get_serial_port_data(port);
+
+	if (mos7720_port == NULL)
+		return;
+
+	tty = port->tty;
+
+	if (!port->tty || !port->tty->termios) {
+		dbg("%s - no tty or termios", __FUNCTION__);
+		return;
+	}
+
+	if (!mos7720_port->open) {
+		dbg("%s - port not opened", __FUNCTION__);
+		return;
+	}
+
+	dbg("%s\n","setting termios - ASPIRE");
+
+	cflag = tty->termios->c_cflag;
+
+	if (!cflag) {
+		printk("%s %s\n",__FUNCTION__,"cflag is NULL");
+		return;
+	}
+
+	/* check that they really want us to change something */
+	if (old_termios) {
+		if ((cflag == old_termios->c_cflag) &&
+		    (RELEVANT_IFLAG(tty->termios->c_iflag) ==
+		     RELEVANT_IFLAG(old_termios->c_iflag))) {
+			dbg("Nothing to change");
+			return;
+		}
+	}
+
+	dbg("%s - clfag %08x iflag %08x", __FUNCTION__,
+	    tty->termios->c_cflag,
+	    RELEVANT_IFLAG(tty->termios->c_iflag));
+
+	if (old_termios)
+		dbg("%s - old clfag %08x old iflag %08x", __FUNCTION__,
+		    old_termios->c_cflag,
+		    RELEVANT_IFLAG(old_termios->c_iflag));
+
+	dbg("%s - port %d", __FUNCTION__, port->number);
+
+	/* change the port settings to the new ones specified */
+	change_port_settings(mos7720_port, old_termios);
+
+	if(!port->read_urb) {
+		dbg("%s","URB KILLED !!!!!\n");
+		return;
+	}
+
+	if(port->read_urb->status != -EINPROGRESS) {
+		port->read_urb->dev = serial->dev;
+		status = usb_submit_urb(port->read_urb, GFP_ATOMIC);
+		if (status)
+			dbg("usb_submit_urb(read bulk) failed, status = %d",
+			    status);
+	}
+	return;
+}
+
+/*
+ * get_lsr_info - get line status register info
+ *
+ * Purpose: Let user call ioctl() to get info when the UART physically
+ * 	    is emptied.  On bus types like RS485, the transmitter must
+ * 	    release the bus after transmitting. This must be done when
+ * 	    the transmit shift register is empty, not be done when the
+ * 	    transmit holding register is empty.  This functionality
+ * 	    allows an RS485 driver to be written in user space.
+ */
+static int get_lsr_info(struct moschip_port *mos7720_port,
+			unsigned int __user *value)
+{
+	int count;
+	unsigned int result = 0;
+
+	count = mos7720_chars_in_buffer(mos7720_port->port);
+	if (count == 0) {
+		dbg("%s -- Empty", __FUNCTION__);
+		result = TIOCSER_TEMT;
+	}
+
+	if (copy_to_user(value, &result, sizeof(int)))
+		return -EFAULT;
+	return 0;
+}
+
+/*
+ * get_number_bytes_avail - get number of bytes available
+ *
+ * Purpose: Let user call ioctl to get the count of number of bytes available.
+ */
+static int get_number_bytes_avail(struct moschip_port *mos7720_port,
+				  unsigned int __user *value)
+{
+	unsigned int result = 0;
+	struct tty_struct *tty = mos7720_port->port->tty;
+
+	if (!tty)
+		return -ENOIOCTLCMD;
+
+	result = tty->read_cnt;
+
+	dbg("%s(%d) = %d", __FUNCTION__,  mos7720_port->port->number, result);
+	if (copy_to_user(value, &result, sizeof(int)))
+		return -EFAULT;
+
+	return -ENOIOCTLCMD;
+}
+
+static int set_modem_info(struct moschip_port *mos7720_port, unsigned int cmd,
+			  unsigned int __user *value)
+{
+	unsigned int mcr ;
+	unsigned int arg;
+	unsigned char data;
+
+	struct usb_serial_port *port;
+
+	if (mos7720_port == NULL)
+		return -1;
+
+	port = (struct usb_serial_port*)mos7720_port->port;
+	mcr = mos7720_port->shadowMCR;
+
+	if (copy_from_user(&arg, value, sizeof(int)))
+		return -EFAULT;
+
+	switch (cmd) {
+	case TIOCMBIS:
+		if (arg & TIOCM_RTS)
+			mcr |= UART_MCR_RTS;
+		if (arg & TIOCM_DTR)
+			mcr |= UART_MCR_RTS;
+		if (arg & TIOCM_LOOP)
+			mcr |= UART_MCR_LOOP;
+		break;
+
+	case TIOCMBIC:
+		if (arg & TIOCM_RTS)
+			mcr &= ~UART_MCR_RTS;
+		if (arg & TIOCM_DTR)
+			mcr &= ~UART_MCR_RTS;
+		if (arg & TIOCM_LOOP)
+			mcr &= ~UART_MCR_LOOP;
+		break;
+
+	case TIOCMSET:
+		/* turn off the RTS and DTR and LOOPBACK
+		 * and then only turn on what was asked to */
+		mcr &=  ~(UART_MCR_RTS | UART_MCR_DTR | UART_MCR_LOOP);
+		mcr |= ((arg & TIOCM_RTS) ? UART_MCR_RTS : 0);
+		mcr |= ((arg & TIOCM_DTR) ? UART_MCR_DTR : 0);
+		mcr |= ((arg & TIOCM_LOOP) ? UART_MCR_LOOP : 0);
+		break;
+	}
+
+	mos7720_port->shadowMCR = mcr;
+
+	data = mos7720_port->shadowMCR;
+	send_mos_cmd(port->serial, MOS_WRITE,
+		     port->number - port->serial->minor, UART_MCR, &data);
+
+	return 0;
+}
+
+static int get_modem_info(struct moschip_port *mos7720_port,
+			  unsigned int __user *value)
+{
+	unsigned int result = 0;
+	unsigned int msr = mos7720_port->shadowMSR;
+	unsigned int mcr = mos7720_port->shadowMCR;
+
+	result = ((mcr & UART_MCR_DTR)	? TIOCM_DTR: 0)	  /* 0x002 */
+		  | ((mcr & UART_MCR_RTS)	? TIOCM_RTS: 0)   /* 0x004 */
+		  | ((msr & UART_MSR_CTS)	? TIOCM_CTS: 0)   /* 0x020 */
+		  | ((msr & UART_MSR_DCD)	? TIOCM_CAR: 0)   /* 0x040 */
+		  | ((msr & UART_MSR_RI)	? TIOCM_RI:  0)   /* 0x080 */
+		  | ((msr & UART_MSR_DSR)	? TIOCM_DSR: 0);  /* 0x100 */
+
+
+	dbg("%s -- %x", __FUNCTION__, result);
+
+	if (copy_to_user(value, &result, sizeof(int)))
+		return -EFAULT;
+	return 0;
+}
+
+static int get_serial_info(struct moschip_port *mos7720_port,
+			   struct serial_struct __user *retinfo)
+{
+	struct serial_struct tmp;
+
+	if (!retinfo)
+		return -EFAULT;
+
+	memset(&tmp, 0, sizeof(tmp));
+
+	tmp.type		= PORT_16550A;
+	tmp.line		= mos7720_port->port->serial->minor;
+	tmp.port		= mos7720_port->port->number;
+	tmp.irq			= 0;
+	tmp.flags		= ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ;
+        tmp.xmit_fifo_size	= NUM_URBS * URB_TRANSFER_BUFFER_SIZE;
+	tmp.baud_base		= 9600;
+	tmp.close_delay		= 5*HZ;
+	tmp.closing_wait	= 30*HZ;
+
+	if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
+		return -EFAULT;
+	return 0;
+}
+
+static int mos7720_ioctl(struct usb_serial_port *port, struct file *file,
+			 unsigned int cmd, unsigned long arg)
+{
+	struct moschip_port *mos7720_port;
+	struct async_icount cnow;
+	struct async_icount cprev;
+	struct serial_icounter_struct icount;
+
+	mos7720_port = usb_get_serial_port_data(port);
+	if (mos7720_port == NULL)
+		return -ENODEV;
+
+	dbg("%s - port %d, cmd = 0x%x", __FUNCTION__, port->number, cmd);
+
+	switch (cmd) {
+	case TIOCINQ:
+		/* return number of bytes available */
+		dbg("%s (%d) TIOCINQ", __FUNCTION__,  port->number);
+		return get_number_bytes_avail(mos7720_port,
+					      (unsigned int __user *)arg);
+		break;
+
+	case TIOCSERGETLSR:
+		dbg("%s (%d) TIOCSERGETLSR", __FUNCTION__,  port->number);
+		return get_lsr_info(mos7720_port, (unsigned int __user *)arg);
+		return 0;
+
+	case TIOCMBIS:
+	case TIOCMBIC:
+	case TIOCMSET:
+		dbg("%s (%d) TIOCMSET/TIOCMBIC/TIOCMSET", __FUNCTION__,
+		    port->number);
+		return set_modem_info(mos7720_port, cmd,
+				      (unsigned int __user *)arg);
+
+	case TIOCMGET:
+		dbg("%s (%d) TIOCMGET", __FUNCTION__,  port->number);
+		return get_modem_info(mos7720_port,
+				      (unsigned int __user *)arg);
+
+	case TIOCGSERIAL:
+		dbg("%s (%d) TIOCGSERIAL", __FUNCTION__,  port->number);
+		return get_serial_info(mos7720_port,
+				       (struct serial_struct __user *)arg);
+
+	case TIOCSSERIAL:
+		dbg("%s (%d) TIOCSSERIAL", __FUNCTION__,  port->number);
+		break;
+
+	case TIOCMIWAIT:
+		dbg("%s (%d) TIOCMIWAIT", __FUNCTION__,  port->number);
+		cprev = mos7720_port->icount;
+		while (1) {
+			if (signal_pending(current))
+				return -ERESTARTSYS;
+			cnow = mos7720_port->icount;
+			if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr &&
+			    cnow.dcd == cprev.dcd && cnow.cts == cprev.cts)
+				return -EIO; /* no change => error */
+			if (((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) ||
+			    ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) ||
+			    ((arg & TIOCM_CD)  && (cnow.dcd != cprev.dcd)) ||
+			    ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts)) ) {
+				return 0;
+			}
+			cprev = cnow;
+		}
+		/* NOTREACHED */
+		break;
+
+	case TIOCGICOUNT:
+		cnow = mos7720_port->icount;
+		icount.cts = cnow.cts;
+		icount.dsr = cnow.dsr;
+		icount.rng = cnow.rng;
+		icount.dcd = cnow.dcd;
+		icount.rx = cnow.rx;
+		icount.tx = cnow.tx;
+		icount.frame = cnow.frame;
+		icount.overrun = cnow.overrun;
+		icount.parity = cnow.parity;
+		icount.brk = cnow.brk;
+		icount.buf_overrun = cnow.buf_overrun;
+
+		dbg("%s (%d) TIOCGICOUNT RX=%d, TX=%d", __FUNCTION__,
+		    port->number, icount.rx, icount.tx );
+		if (copy_to_user((void __user *)arg, &icount, sizeof(icount)))
+			return -EFAULT;
+		return 0;
+	}
+
+	return -ENOIOCTLCMD;
+}
+
+static int mos7720_startup(struct usb_serial *serial)
+{
+	struct moschip_serial *mos7720_serial;
+	struct moschip_port *mos7720_port;
+	struct usb_device *dev;
+	int i;
+	char data;
+
+	dbg("%s: Entering ..........", __FUNCTION__);
+
+	if (!serial) {
+		dbg("Invalid Handler");
+		return -ENODEV;
+	}
+
+	dev = serial->dev;
+
+	/* create our private serial structure */
+	mos7720_serial = kzalloc(sizeof(struct moschip_serial), GFP_KERNEL);
+	if (mos7720_serial == NULL) {
+		err("%s - Out of memory", __FUNCTION__);
+		return -ENOMEM;
+	}
+
+	usb_set_serial_data(serial, mos7720_serial);
+
+	/* we set up the pointers to the endpoints in the mos7720_open *
+	 * function, as the structures aren't created yet.             */
+
+	/* set up port private structures */
+	for (i = 0; i < serial->num_ports; ++i) {
+		mos7720_port = kzalloc(sizeof(struct moschip_port), GFP_KERNEL);
+		if (mos7720_port == NULL) {
+			err("%s - Out of memory", __FUNCTION__);
+			usb_set_serial_data(serial, NULL);
+			kfree(mos7720_serial);
+			return -ENOMEM;
+		}
+
+		/* Initialize all port interrupt end point to port 0 int
+		 * endpoint.  Our device has only one interrupt endpoint
+		 * comman to all ports */
+		serial->port[i]->interrupt_in_endpointAddress = serial->port[0]->interrupt_in_endpointAddress;
+
+		mos7720_port->port = serial->port[i];
+		usb_set_serial_port_data(serial->port[i], mos7720_port);
+
+		dbg("port number is %d", serial->port[i]->number);
+		dbg("serial number is %d", serial->minor);
+	}
+
+
+	/* setting configuration feature to one */
+	usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
+			(__u8)0x03, 0x00,0x01,0x00, NULL, 0x00, 5*HZ);
+
+	send_mos_cmd(serial,MOS_READ,0x00, UART_LSR, &data);  // LSR For Port 1
+	dbg("LSR:%x",data);
+
+	send_mos_cmd(serial,MOS_READ,0x01, UART_LSR, &data);  // LSR For Port 2
+	dbg("LSR:%x",data);
+
+	return 0;
+}
+
+static void mos7720_shutdown(struct usb_serial *serial)
+{
+	int i;
+
+	/* free private structure allocated for serial port */
+	for (i=0; i < serial->num_ports; ++i) {
+		kfree(usb_get_serial_port_data(serial->port[i]));
+		usb_set_serial_port_data(serial->port[i], NULL);
+	}
+
+	/* free private structure allocated for serial device */
+	kfree(usb_get_serial_data(serial));
+	usb_set_serial_data(serial, NULL);
+}
+
+static struct usb_serial_driver moschip7720_2port_driver = {
+	.driver = {
+		.owner =	THIS_MODULE,
+		.name =		"moschip7720",
+	},
+	.description		= "Moschip 2 port adapter",
+	.id_table		= moschip_port_id_table,
+	.num_interrupt_in	= 1,
+	.num_bulk_in		= 2,
+	.num_bulk_out		= 2,
+	.num_ports		= 2,
+	.open			= mos7720_open,
+	.close			= mos7720_close,
+	.throttle		= mos7720_throttle,
+	.unthrottle		= mos7720_unthrottle,
+	.attach			= mos7720_startup,
+	.shutdown		= mos7720_shutdown,
+	.ioctl			= mos7720_ioctl,
+	.set_termios		= mos7720_set_termios,
+	.write			= mos7720_write,
+	.write_room		= mos7720_write_room,
+	.chars_in_buffer	= mos7720_chars_in_buffer,
+	.break_ctl		= mos7720_break,
+	.read_bulk_callback	= mos7720_bulk_in_callback,
+};
+
+static struct usb_driver usb_driver = {
+	.name =		"moschip7720",
+	.probe =	usb_serial_probe,
+	.disconnect =	usb_serial_disconnect,
+	.id_table =	moschip_port_id_table,
+};
+
+static int __init moschip7720_init(void)
+{
+	int retval;
+
+	dbg("%s: Entering ..........", __FUNCTION__);
+
+	/* Register with the usb serial */
+	retval = usb_serial_register(&moschip7720_2port_driver);
+	if (retval)
+		goto failed_port_device_register;
+
+	info(DRIVER_DESC " " DRIVER_VERSION);
+
+	/* Register with the usb */
+	retval = usb_register(&usb_driver);
+	if (retval)
+		goto failed_usb_register;
+
+	return 0;
+
+failed_usb_register:
+	usb_serial_deregister(&moschip7720_2port_driver);
+
+failed_port_device_register:
+	return retval;
+}
+
+static void __exit moschip7720_exit(void)
+{
+	usb_deregister(&usb_driver);
+	usb_serial_deregister(&moschip7720_2port_driver);
+}
+
+module_init(moschip7720_init);
+module_exit(moschip7720_exit);
+
+/* Module information */
+MODULE_AUTHOR( DRIVER_AUTHOR );
+MODULE_DESCRIPTION( DRIVER_DESC );
+MODULE_LICENSE("GPL");
+
+module_param(debug, bool, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(debug, "Debug enabled or not");
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 021be39fe16..5b71962d035 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -2413,11 +2413,12 @@ static int mos7840_ioctl(struct usb_serial_port *port, struct file *file,
 	}
 
 	mos7840_port = mos7840_get_port_private(port);
-	tty = mos7840_port->port->tty;
 
 	if (mos7840_port == NULL)
 		return -1;
 
+	tty = mos7840_port->port->tty;
+
 	dbg("%s - port %d, cmd = 0x%x", __FUNCTION__, port->number, cmd);
 
 	switch (cmd) {
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index d29638daa98..ea16572d19f 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -1,21 +1,35 @@
 /*
- * Sierra Wireless CDMA Wireless Serial USB driver
- *
- * Current Copy modified by: Kevin Lloyd <linux@sierrawireless.com>
- * Original Copyright (C) 2005-2006 Greg Kroah-Hartman <gregkh@suse.de>
- *
- *	This program is free software; you can redistribute it and/or
- *	modify it under the terms of the GNU General Public License version
- *	2 as published by the Free Software Foundation.
- */
+  USB Driver for Sierra Wireless
+
+  Copyright (C) 2006  Kevin Lloyd <linux@sierrawireless.com>
+
+  IMPORTANT DISCLAIMER: This driver is not commercially supported by
+  Sierra Wireless. Use at your own risk.
+
+  This driver is free software; you can redistribute it and/or modify
+  it under the terms of Version 2 of the GNU General Public License as
+  published by the Free Software Foundation.
+
+  Portions based on the option driver by Matthias Urlichs <smurf@smurf.noris.de>
+  Whom based his on the Keyspan driver by Hugh Blemings <hugh@blemings.org>
+
+  History:
+*/
+
+#define DRIVER_VERSION "v.1.0.5"
+#define DRIVER_AUTHOR "Kevin Lloyd <linux@sierrawireless.com>"
+#define DRIVER_DESC "USB Driver for Sierra Wireless USB modems"
 
 #include <linux/kernel.h>
-#include <linux/init.h>
+#include <linux/jiffies.h>
+#include <linux/errno.h>
 #include <linux/tty.h>
+#include <linux/tty_flip.h>
 #include <linux/module.h>
 #include <linux/usb.h>
 #include <linux/usb/serial.h>
 
+
 static struct usb_device_id id_table [] = {
 	{ USB_DEVICE(0x1199, 0x0018) },	/* Sierra Wireless MC5720 */
 	{ USB_DEVICE(0x1199, 0x0020) },	/* Sierra Wireless MC5725 */
@@ -23,53 +37,674 @@ static struct usb_device_id id_table [] = {
 	{ USB_DEVICE(0x1199, 0x0019) },	/* Sierra Wireless AirCard 595 */
 	{ USB_DEVICE(0x1199, 0x6802) },	/* Sierra Wireless MC8755 */
 	{ USB_DEVICE(0x1199, 0x6803) },	/* Sierra Wireless MC8765 */
+	{ USB_DEVICE(0x1199, 0x6804) },	/* Sierra Wireless MC8755 for Europe */
 	{ USB_DEVICE(0x1199, 0x6812) },	/* Sierra Wireless MC8775 */
 	{ USB_DEVICE(0x1199, 0x6820) },	/* Sierra Wireless AirCard 875 */
-	/* Following devices are supported in the airprime.c driver */
-	/* { USB_DEVICE(0x1199, 0x0112) }, */	/* Sierra Wireless AirCard 580 */
-	/* { USB_DEVICE(0x0F3D, 0x0112) }, */	/* AirPrime/Sierra PC 5220 */
+
+	{ USB_DEVICE(0x1199, 0x0112) }, /* Sierra Wireless AirCard 580 */
+	{ USB_DEVICE(0x0F3D, 0x0112) }, /* AirPrime/Sierra PC 5220 */
 	{ }
 };
 MODULE_DEVICE_TABLE(usb, id_table);
 
+static struct usb_device_id id_table_1port [] = {
+	{ USB_DEVICE(0x1199, 0x0112) }, /* Sierra Wireless AirCard 580 */
+	{ USB_DEVICE(0x0F3D, 0x0112) }, /* AirPrime/Sierra PC 5220 */
+	{ }
+};
+
+static struct usb_device_id id_table_3port [] = {
+	{ USB_DEVICE(0x1199, 0x0018) },	/* Sierra Wireless MC5720 */
+	{ USB_DEVICE(0x1199, 0x0020) },	/* Sierra Wireless MC5725 */
+	{ USB_DEVICE(0x1199, 0x0017) },	/* Sierra Wireless EM5625 */
+	{ USB_DEVICE(0x1199, 0x0019) },	/* Sierra Wireless AirCard 595 */
+	{ USB_DEVICE(0x1199, 0x6802) },	/* Sierra Wireless MC8755 */
+	{ USB_DEVICE(0x1199, 0x6803) },	/* Sierra Wireless MC8765 */
+	{ USB_DEVICE(0x1199, 0x6812) },	/* Sierra Wireless MC8775 */
+	{ USB_DEVICE(0x1199, 0x6820) },	/* Sierra Wireless AirCard 875 */
+	{ }
+};
+
 static struct usb_driver sierra_driver = {
-	.name =		"sierra_wireless",
-	.probe =	usb_serial_probe,
-	.disconnect =	usb_serial_disconnect,
-	.id_table =	id_table,
+	.name       = "sierra",
+	.probe      = usb_serial_probe,
+	.disconnect = usb_serial_disconnect,
+	.id_table   = id_table,
+	.no_dynamic_id = 	1,
+};
+
+
+static int debug;
+
+/* per port private data */
+#define N_IN_URB	4
+#define N_OUT_URB	1
+#define IN_BUFLEN	4096
+#define OUT_BUFLEN	128
+
+struct sierra_port_private {
+	/* Input endpoints and buffer for this port */
+	struct urb *in_urbs[N_IN_URB];
+	char in_buffer[N_IN_URB][IN_BUFLEN];
+	/* Output endpoints and buffer for this port */
+	struct urb *out_urbs[N_OUT_URB];
+	char out_buffer[N_OUT_URB][OUT_BUFLEN];
+
+	/* Settings for the port */
+	int rts_state;	/* Handshaking pins (outputs) */
+	int dtr_state;
+	int cts_state;	/* Handshaking pins (inputs) */
+	int dsr_state;
+	int dcd_state;
+	int ri_state;
+
+	unsigned long tx_start_time[N_OUT_URB];
+};
+
+static int sierra_send_setup(struct usb_serial_port *port)
+{
+	struct usb_serial *serial = port->serial;
+	struct sierra_port_private *portdata;
+
+	dbg("%s", __FUNCTION__);
+
+	portdata = usb_get_serial_port_data(port);
+
+	if (port->tty) {
+		int val = 0;
+		if (portdata->dtr_state)
+			val |= 0x01;
+		if (portdata->rts_state)
+			val |= 0x02;
+
+		return usb_control_msg(serial->dev,
+				usb_rcvctrlpipe(serial->dev, 0),
+				0x22,0x21,val,0,NULL,0,USB_CTRL_SET_TIMEOUT);
+	}
+
+	return 0;
+}
+
+static void sierra_rx_throttle(struct usb_serial_port *port)
+{
+	dbg("%s", __FUNCTION__);
+}
+
+static void sierra_rx_unthrottle(struct usb_serial_port *port)
+{
+	dbg("%s", __FUNCTION__);
+}
+
+static void sierra_break_ctl(struct usb_serial_port *port, int break_state)
+{
+	/* Unfortunately, I don't know how to send a break */
+	dbg("%s", __FUNCTION__);
+}
+
+static void sierra_set_termios(struct usb_serial_port *port,
+			struct termios *old_termios)
+{
+	dbg("%s", __FUNCTION__);
+
+	sierra_send_setup(port);
+}
+
+static int sierra_tiocmget(struct usb_serial_port *port, struct file *file)
+{
+	unsigned int value;
+	struct sierra_port_private *portdata;
+
+	portdata = usb_get_serial_port_data(port);
+
+	value = ((portdata->rts_state) ? TIOCM_RTS : 0) |
+		((portdata->dtr_state) ? TIOCM_DTR : 0) |
+		((portdata->cts_state) ? TIOCM_CTS : 0) |
+		((portdata->dsr_state) ? TIOCM_DSR : 0) |
+		((portdata->dcd_state) ? TIOCM_CAR : 0) |
+		((portdata->ri_state) ? TIOCM_RNG : 0);
+
+	return value;
+}
+
+static int sierra_tiocmset(struct usb_serial_port *port, struct file *file,
+			unsigned int set, unsigned int clear)
+{
+	struct sierra_port_private *portdata;
+
+	portdata = usb_get_serial_port_data(port);
+
+	if (set & TIOCM_RTS)
+		portdata->rts_state = 1;
+	if (set & TIOCM_DTR)
+		portdata->dtr_state = 1;
+
+	if (clear & TIOCM_RTS)
+		portdata->rts_state = 0;
+	if (clear & TIOCM_DTR)
+		portdata->dtr_state = 0;
+	return sierra_send_setup(port);
+}
+
+static int sierra_ioctl(struct usb_serial_port *port, struct file *file,
+			unsigned int cmd, unsigned long arg)
+{
+	return -ENOIOCTLCMD;
+}
+
+/* Write */
+static int sierra_write(struct usb_serial_port *port,
+			const unsigned char *buf, int count)
+{
+	struct sierra_port_private *portdata;
+	int i;
+	int left, todo;
+	struct urb *this_urb = NULL; /* spurious */
+	int err;
+
+	portdata = usb_get_serial_port_data(port);
+
+	dbg("%s: write (%d chars)", __FUNCTION__, count);
+
+	i = 0;
+	left = count;
+	for (i=0; left > 0 && i < N_OUT_URB; i++) {
+		todo = left;
+		if (todo > OUT_BUFLEN)
+			todo = OUT_BUFLEN;
+
+		this_urb = portdata->out_urbs[i];
+		if (this_urb->status == -EINPROGRESS) {
+			if (time_before(jiffies,
+					portdata->tx_start_time[i] + 10 * HZ))
+				continue;
+			usb_unlink_urb(this_urb);
+			continue;
+		}
+		if (this_urb->status != 0)
+			dbg("usb_write %p failed (err=%d)",
+				this_urb, this_urb->status);
+
+		dbg("%s: endpoint %d buf %d", __FUNCTION__,
+			usb_pipeendpoint(this_urb->pipe), i);
+
+		/* send the data */
+		memcpy (this_urb->transfer_buffer, buf, todo);
+		this_urb->transfer_buffer_length = todo;
+
+		this_urb->dev = port->serial->dev;
+		err = usb_submit_urb(this_urb, GFP_ATOMIC);
+		if (err) {
+			dbg("usb_submit_urb %p (write bulk) failed "
+				"(%d, has %d)", this_urb,
+				err, this_urb->status);
+			continue;
+		}
+		portdata->tx_start_time[i] = jiffies;
+		buf += todo;
+		left -= todo;
+	}
+
+	count -= left;
+	dbg("%s: wrote (did %d)", __FUNCTION__, count);
+	return count;
+}
+
+static void sierra_indat_callback(struct urb *urb)
+{
+	int err;
+	int endpoint;
+	struct usb_serial_port *port;
+	struct tty_struct *tty;
+	unsigned char *data = urb->transfer_buffer;
+
+	dbg("%s: %p", __FUNCTION__, urb);
+
+	endpoint = usb_pipeendpoint(urb->pipe);
+	port = (struct usb_serial_port *) urb->context;
+
+	if (urb->status) {
+		dbg("%s: nonzero status: %d on endpoint %02x.",
+		    __FUNCTION__, urb->status, endpoint);
+	} else {
+		tty = port->tty;
+		if (urb->actual_length) {
+			tty_buffer_request_room(tty, urb->actual_length);
+			tty_insert_flip_string(tty, data, urb->actual_length);
+			tty_flip_buffer_push(tty);
+		} else {
+			dbg("%s: empty read urb received", __FUNCTION__);
+		}
+
+		/* Resubmit urb so we continue receiving */
+		if (port->open_count && urb->status != -ESHUTDOWN) {
+			err = usb_submit_urb(urb, GFP_ATOMIC);
+			if (err)
+				printk(KERN_ERR "%s: resubmit read urb failed. "
+					"(%d)", __FUNCTION__, err);
+		}
+	}
+	return;
+}
+
+static void sierra_outdat_callback(struct urb *urb)
+{
+	struct usb_serial_port *port;
+
+	dbg("%s", __FUNCTION__);
+
+	port = (struct usb_serial_port *) urb->context;
+
+	usb_serial_port_softint(port);
+}
+
+static void sierra_instat_callback(struct urb *urb)
+{
+	int err;
+	struct usb_serial_port *port = (struct usb_serial_port *) urb->context;
+	struct sierra_port_private *portdata = usb_get_serial_port_data(port);
+	struct usb_serial *serial = port->serial;
+
+	dbg("%s", __FUNCTION__);
+	dbg("%s: urb %p port %p has data %p", __FUNCTION__,urb,port,portdata);
+
+	if (urb->status == 0) {
+		struct usb_ctrlrequest *req_pkt =
+				(struct usb_ctrlrequest *)urb->transfer_buffer;
+
+		if (!req_pkt) {
+			dbg("%s: NULL req_pkt\n", __FUNCTION__);
+			return;
+		}
+		if ((req_pkt->bRequestType == 0xA1) &&
+				(req_pkt->bRequest == 0x20)) {
+			int old_dcd_state;
+			unsigned char signals = *((unsigned char *)
+					urb->transfer_buffer +
+					sizeof(struct usb_ctrlrequest));
+
+			dbg("%s: signal x%x", __FUNCTION__, signals);
+
+			old_dcd_state = portdata->dcd_state;
+			portdata->cts_state = 1;
+			portdata->dcd_state = ((signals & 0x01) ? 1 : 0);
+			portdata->dsr_state = ((signals & 0x02) ? 1 : 0);
+			portdata->ri_state = ((signals & 0x08) ? 1 : 0);
+
+			if (port->tty && !C_CLOCAL(port->tty) &&
+					old_dcd_state && !portdata->dcd_state)
+				tty_hangup(port->tty);
+		} else {
+			dbg("%s: type %x req %x", __FUNCTION__,
+				req_pkt->bRequestType,req_pkt->bRequest);
+		}
+	} else
+		dbg("%s: error %d", __FUNCTION__, urb->status);
+
+	/* Resubmit urb so we continue receiving IRQ data */
+	if (urb->status != -ESHUTDOWN) {
+		urb->dev = serial->dev;
+		err = usb_submit_urb(urb, GFP_ATOMIC);
+		if (err)
+			dbg("%s: resubmit intr urb failed. (%d)",
+				__FUNCTION__, err);
+	}
+}
+
+static int sierra_write_room(struct usb_serial_port *port)
+{
+	struct sierra_port_private *portdata;
+	int i;
+	int data_len = 0;
+	struct urb *this_urb;
+
+	portdata = usb_get_serial_port_data(port);
+
+	for (i=0; i < N_OUT_URB; i++) {
+		this_urb = portdata->out_urbs[i];
+		if (this_urb && this_urb->status != -EINPROGRESS)
+			data_len += OUT_BUFLEN;
+	}
+
+	dbg("%s: %d", __FUNCTION__, data_len);
+	return data_len;
+}
+
+static int sierra_chars_in_buffer(struct usb_serial_port *port)
+{
+	struct sierra_port_private *portdata;
+	int i;
+	int data_len = 0;
+	struct urb *this_urb;
+
+	portdata = usb_get_serial_port_data(port);
+
+	for (i=0; i < N_OUT_URB; i++) {
+		this_urb = portdata->out_urbs[i];
+		if (this_urb && this_urb->status == -EINPROGRESS)
+			data_len += this_urb->transfer_buffer_length;
+	}
+	dbg("%s: %d", __FUNCTION__, data_len);
+	return data_len;
+}
+
+static int sierra_open(struct usb_serial_port *port, struct file *filp)
+{
+	struct sierra_port_private *portdata;
+	struct usb_serial *serial = port->serial;
+	int i, err;
+	struct urb *urb;
+
+	portdata = usb_get_serial_port_data(port);
+
+	dbg("%s", __FUNCTION__);
+
+	/* Set some sane defaults */
+	portdata->rts_state = 1;
+	portdata->dtr_state = 1;
+
+	/* Reset low level data toggle and start reading from endpoints */
+	for (i = 0; i < N_IN_URB; i++) {
+		urb = portdata->in_urbs[i];
+		if (! urb)
+			continue;
+		if (urb->dev != serial->dev) {
+			dbg("%s: dev %p != %p", __FUNCTION__,
+				urb->dev, serial->dev);
+			continue;
+		}
+
+		/*
+		 * make sure endpoint data toggle is synchronized with the
+		 * device
+		 */
+		usb_clear_halt(urb->dev, urb->pipe);
+
+		err = usb_submit_urb(urb, GFP_KERNEL);
+		if (err) {
+			dbg("%s: submit urb %d failed (%d) %d",
+				__FUNCTION__, i, err,
+				urb->transfer_buffer_length);
+		}
+	}
+
+	/* Reset low level data toggle on out endpoints */
+	for (i = 0; i < N_OUT_URB; i++) {
+		urb = portdata->out_urbs[i];
+		if (! urb)
+			continue;
+		urb->dev = serial->dev;
+		/* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe),
+				usb_pipeout(urb->pipe), 0); */
+	}
+
+	port->tty->low_latency = 1;
+
+	sierra_send_setup(port);
+
+	return (0);
+}
+
+static inline void stop_urb(struct urb *urb)
+{
+	if (urb && urb->status == -EINPROGRESS)
+		usb_kill_urb(urb);
+}
+
+static void sierra_close(struct usb_serial_port *port, struct file *filp)
+{
+	int i;
+	struct usb_serial *serial = port->serial;
+	struct sierra_port_private *portdata;
+
+	dbg("%s", __FUNCTION__);
+	portdata = usb_get_serial_port_data(port);
+
+	portdata->rts_state = 0;
+	portdata->dtr_state = 0;
+
+	if (serial->dev) {
+		sierra_send_setup(port);
+
+		/* Stop reading/writing urbs */
+		for (i = 0; i < N_IN_URB; i++)
+			stop_urb(portdata->in_urbs[i]);
+		for (i = 0; i < N_OUT_URB; i++)
+			stop_urb(portdata->out_urbs[i]);
+	}
+	port->tty = NULL;
+}
+
+/* Helper functions used by sierra_setup_urbs */
+static struct urb *sierra_setup_urb(struct usb_serial *serial, int endpoint,
+				    int dir, void *ctx, char *buf, int len,
+				    usb_complete_t callback)
+{
+	struct urb *urb;
+
+	if (endpoint == -1)
+		return NULL;		/* endpoint not needed */
+
+	urb = usb_alloc_urb(0, GFP_KERNEL);		/* No ISO */
+	if (urb == NULL) {
+		dbg("%s: alloc for endpoint %d failed.", __FUNCTION__, endpoint);
+		return NULL;
+	}
+
+		/* Fill URB using supplied data. */
+	usb_fill_bulk_urb(urb, serial->dev,
+		      usb_sndbulkpipe(serial->dev, endpoint) | dir,
+		      buf, len, callback, ctx);
+
+	return urb;
+}
+
+/* Setup urbs */
+static void sierra_setup_urbs(struct usb_serial *serial)
+{
+	int i,j;
+	struct usb_serial_port *port;
+	struct sierra_port_private *portdata;
+
+	dbg("%s", __FUNCTION__);
+
+	for (i = 0; i < serial->num_ports; i++) {
+		port = serial->port[i];
+		portdata = usb_get_serial_port_data(port);
+
+	/* Do indat endpoints first */
+		for (j = 0; j < N_IN_URB; ++j) {
+			portdata->in_urbs[j] = sierra_setup_urb (serial,
+                  	port->bulk_in_endpointAddress, USB_DIR_IN, port,
+                  	portdata->in_buffer[j], IN_BUFLEN, sierra_indat_callback);
+		}
+
+		/* outdat endpoints */
+		for (j = 0; j < N_OUT_URB; ++j) {
+			portdata->out_urbs[j] = sierra_setup_urb (serial,
+                  	port->bulk_out_endpointAddress, USB_DIR_OUT, port,
+                  	portdata->out_buffer[j], OUT_BUFLEN, sierra_outdat_callback);
+		}
+	}
+}
+
+static int sierra_startup(struct usb_serial *serial)
+{
+	int i, err;
+	struct usb_serial_port *port;
+	struct sierra_port_private *portdata;
+
+	dbg("%s", __FUNCTION__);
+
+	/* Now setup per port private data */
+	for (i = 0; i < serial->num_ports; i++) {
+		port = serial->port[i];
+		portdata = kzalloc(sizeof(*portdata), GFP_KERNEL);
+		if (!portdata) {
+			dbg("%s: kmalloc for sierra_port_private (%d) failed!.",
+					__FUNCTION__, i);
+			return (1);
+		}
+
+		usb_set_serial_port_data(port, portdata);
+
+		if (! port->interrupt_in_urb)
+			continue;
+		err = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
+		if (err)
+			dbg("%s: submit irq_in urb failed %d",
+				__FUNCTION__, err);
+	}
+
+	sierra_setup_urbs(serial);
+
+	return (0);
+}
+
+static void sierra_shutdown(struct usb_serial *serial)
+{
+	int i, j;
+	struct usb_serial_port *port;
+	struct sierra_port_private *portdata;
+
+	dbg("%s", __FUNCTION__);
+
+	/* Stop reading/writing urbs */
+	for (i = 0; i < serial->num_ports; ++i) {
+		port = serial->port[i];
+		portdata = usb_get_serial_port_data(port);
+		for (j = 0; j < N_IN_URB; j++)
+			stop_urb(portdata->in_urbs[j]);
+		for (j = 0; j < N_OUT_URB; j++)
+			stop_urb(portdata->out_urbs[j]);
+	}
+
+	/* Now free them */
+	for (i = 0; i < serial->num_ports; ++i) {
+		port = serial->port[i];
+		portdata = usb_get_serial_port_data(port);
+
+		for (j = 0; j < N_IN_URB; j++) {
+			if (portdata->in_urbs[j]) {
+				usb_free_urb(portdata->in_urbs[j]);
+				portdata->in_urbs[j] = NULL;
+			}
+		}
+		for (j = 0; j < N_OUT_URB; j++) {
+			if (portdata->out_urbs[j]) {
+				usb_free_urb(portdata->out_urbs[j]);
+				portdata->out_urbs[j] = NULL;
+			}
+		}
+	}
+
+	/* Now free per port private data */
+	for (i = 0; i < serial->num_ports; i++) {
+		port = serial->port[i];
+		kfree(usb_get_serial_port_data(port));
+	}
+}
+
+static struct usb_serial_driver sierra_1port_device = {
+	.driver = {
+		.owner =	THIS_MODULE,
+		.name =		"sierra1",
+	},
+	.description       = "Sierra USB modem (1 port)",
+	.id_table          = id_table_1port,
+	.num_interrupt_in  = NUM_DONT_CARE,
+	.num_bulk_in       = 1,
+	.num_bulk_out      = 1,
+	.num_ports         = 1,
+	.open              = sierra_open,
+	.close             = sierra_close,
+	.write             = sierra_write,
+	.write_room        = sierra_write_room,
+	.chars_in_buffer   = sierra_chars_in_buffer,
+	.throttle          = sierra_rx_throttle,
+	.unthrottle        = sierra_rx_unthrottle,
+	.ioctl             = sierra_ioctl,
+	.set_termios       = sierra_set_termios,
+	.break_ctl         = sierra_break_ctl,
+	.tiocmget          = sierra_tiocmget,
+	.tiocmset          = sierra_tiocmset,
+	.attach            = sierra_startup,
+	.shutdown          = sierra_shutdown,
+	.read_int_callback = sierra_instat_callback,
 };
 
-static struct usb_serial_driver sierra_device = {
+static struct usb_serial_driver sierra_3port_device = {
 	.driver = {
-	.owner =		THIS_MODULE,
-	.name =			"Sierra_Wireless",
+		.owner =	THIS_MODULE,
+		.name =		"sierra3",
 	},
-	.id_table =		id_table,
-	.num_interrupt_in =	NUM_DONT_CARE,
-	.num_bulk_in =		NUM_DONT_CARE,
-	.num_bulk_out =		NUM_DONT_CARE,
-	.num_ports =		3,
+	.description       = "Sierra USB modem (3 port)",
+	.id_table          = id_table_3port,
+	.num_interrupt_in  = NUM_DONT_CARE,
+	.num_bulk_in       = 3,
+	.num_bulk_out      = 3,
+	.num_ports         = 3,
+	.open              = sierra_open,
+	.close             = sierra_close,
+	.write             = sierra_write,
+	.write_room        = sierra_write_room,
+	.chars_in_buffer   = sierra_chars_in_buffer,
+	.throttle          = sierra_rx_throttle,
+	.unthrottle        = sierra_rx_unthrottle,
+	.ioctl             = sierra_ioctl,
+	.set_termios       = sierra_set_termios,
+	.break_ctl         = sierra_break_ctl,
+	.tiocmget          = sierra_tiocmget,
+	.tiocmset          = sierra_tiocmset,
+	.attach            = sierra_startup,
+	.shutdown          = sierra_shutdown,
+	.read_int_callback = sierra_instat_callback,
 };
 
+/* Functions used by new usb-serial code. */
 static int __init sierra_init(void)
 {
 	int retval;
-
-	retval = usb_serial_register(&sierra_device);
+	retval = usb_serial_register(&sierra_1port_device);
+	if (retval)
+		goto failed_1port_device_register;
+	retval = usb_serial_register(&sierra_3port_device);
 	if (retval)
-		return retval;
+		goto failed_3port_device_register;
+
+
 	retval = usb_register(&sierra_driver);
 	if (retval)
-		usb_serial_deregister(&sierra_device);
+		goto failed_driver_register;
+
+	info(DRIVER_DESC ": " DRIVER_VERSION);
+
+	return 0;
+
+failed_driver_register:
+	usb_serial_deregister(&sierra_3port_device);
+failed_3port_device_register:
+	usb_serial_deregister(&sierra_1port_device);
+failed_1port_device_register:
 	return retval;
 }
 
 static void __exit sierra_exit(void)
 {
-	usb_deregister(&sierra_driver);
-	usb_serial_deregister(&sierra_device);
+	usb_deregister (&sierra_driver);
+	usb_serial_deregister(&sierra_1port_device);
+	usb_serial_deregister(&sierra_3port_device);
 }
 
 module_init(sierra_init);
 module_exit(sierra_exit);
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_VERSION(DRIVER_VERSION);
 MODULE_LICENSE("GPL");
+
+#ifdef CONFIG_USB_DEBUG
+module_param(debug, bool, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(debug, "Debug messages");
+#endif
+
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index c9a8d50106d..37ed8e0f2dc 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -55,7 +55,8 @@ UNUSUAL_DEV(  0x03eb, 0x2002, 0x0100, 0x0100,
                 US_SC_DEVICE, US_PR_DEVICE, NULL,
                 US_FL_IGNORE_RESIDUE),
 
-UNUSUAL_DEV(  0x03ee, 0x6901, 0x0000, 0x0100,
+/* modified by Tobias Lorenz <tobias.lorenz@gmx.net> */
+UNUSUAL_DEV(  0x03ee, 0x6901, 0x0000, 0x0200,
 		"Mitsumi",
 		"USB FDD",
 		US_SC_DEVICE, US_PR_DEVICE, NULL,
@@ -182,6 +183,20 @@ UNUSUAL_DEV(  0x0421, 0x044e, 0x0100, 0x0100,
 		US_SC_DEVICE, US_PR_DEVICE, NULL,
 		US_FL_IGNORE_RESIDUE | US_FL_FIX_CAPACITY ),
 
+/* Reported by Bardur Arantsson <bardur@scientician.net> */
+UNUSUAL_DEV(  0x0421, 0x047c, 0x0370, 0x0370,
+		"Nokia",
+		"6131",
+		US_SC_DEVICE, US_PR_DEVICE, NULL,
+		US_FL_MAX_SECTORS_64 ),
+
+/* Reported by Alex Corcoles <alex@corcoles.net> */
+UNUSUAL_DEV(  0x0421, 0x0495, 0x0370, 0x0370,
+		"Nokia",
+		"6234",
+		US_SC_DEVICE, US_PR_DEVICE, NULL,
+		US_FL_MAX_SECTORS_64 ),
+
 /* Reported by Olaf Hering <olh@suse.de> from novell bug #105878 */
 UNUSUAL_DEV(  0x0424, 0x0fdc, 0x0210, 0x0210,
 		"SMSC",
@@ -1291,6 +1306,13 @@ UNUSUAL_DEV(  0x0fce, 0xe030, 0x0000, 0x0000,
 		US_SC_DEVICE, US_PR_DEVICE, NULL,
 		US_FL_FIX_CAPACITY ),
 
+/* Reported by Jan Mate <mate@fiit.stuba.sk> */
+UNUSUAL_DEV(  0x0fce, 0xe030, 0x0000, 0x0000,
+		"Sony Ericsson",
+		"P990i",
+		US_SC_DEVICE, US_PR_DEVICE, NULL,
+		US_FL_FIX_CAPACITY ),
+
 /* Reported by Kevin Cernekee <kpc-usbdev@gelato.uiuc.edu>
  * Tested on hardware version 1.10.
  * Entry is needed only for the initializer function override.
author	Linus Torvalds <torvalds@g5.osdl.org>	2006-10-17 15:05:22 -0700
committer	Linus Torvalds <torvalds@g5.osdl.org>	2006-10-17 15:05:22 -0700
commit	699ddda6ecd5751fd05fd5128aa7f93438974468 (patch)
tree	b09b6a347c2e437e9c8bd5cd87f94fe03944a437 /drivers/usb
parent	acbb67d51ef0ff942d592d44fb8abb4c931041ff (diff)
parent	ab352c2687a4361aec06a184ddb20deb1e5091eb (diff)