Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-linus

19 files changed, 232 insertions, 135 deletions

diff --git a/drivers/char/hvsi.c b/drivers/char/hvsi.c
index 56612a2dca6..41db8060e8f 100644
--- a/drivers/char/hvsi.c
+++ b/drivers/char/hvsi.c
@@ -1299,7 +1299,7 @@ static int __init hvsi_console_init(void)
 		hp->inbuf_end = hp->inbuf;
 		hp->state = HVSI_CLOSED;
 		hp->vtermno = *vtermno;
-		hp->virq = irq_create_mapping(NULL, irq[0], 0);
+		hp->virq = irq_create_mapping(NULL, irq[0]);
 		if (hp->virq == NO_IRQ) {
 			printk(KERN_ERR "%s: couldn't create irq mapping for 0x%x\n",
 				__FUNCTION__, irq[0]);
diff --git a/drivers/char/hw_random/geode-rng.c b/drivers/char/hw_random/geode-rng.c
index be61f22ee7b..d37ced0d132 100644
--- a/drivers/char/hw_random/geode-rng.c
+++ b/drivers/char/hw_random/geode-rng.c
@@ -107,10 +107,14 @@ found:
 	if (err) {
 		printk(KERN_ERR PFX "RNG registering failed (%d)\n",
 		       err);
-		goto out;
+		goto err_unmap;
 	}
 out:
 	return err;
+
+err_unmap:
+	iounmap(mem);
+	goto out;
 }
 
 static void __exit mod_exit(void)
diff --git a/drivers/char/hw_random/intel-rng.c b/drivers/char/hw_random/intel-rng.c
index 6594bd5645f..ccd7e710223 100644
--- a/drivers/char/hw_random/intel-rng.c
+++ b/drivers/char/hw_random/intel-rng.c
@@ -164,7 +164,7 @@ static int __init mod_init(void)
 	if (err) {
 		printk(KERN_ERR PFX "RNG registering failed (%d)\n",
 		       err);
-		goto out;
+		goto err_unmap;
 	}
 out:
 	return err;
diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c
index 518ece7ac65..7907ae88c2f 100644
--- a/drivers/char/ip2/ip2main.c
+++ b/drivers/char/ip2/ip2main.c
@@ -3186,3 +3186,10 @@ ip2trace (unsigned short pn, unsigned char cat, unsigned char label, unsigned lo
 
 
 MODULE_LICENSE("GPL");
+
+static struct pci_device_id ip2main_pci_tbl[] __devinitdata = {
+	{ PCI_DEVICE(PCI_VENDOR_ID_COMPUTONE, PCI_DEVICE_ID_COMPUTONE_IP2EX) },
+	{ }
+};
+
+MODULE_DEVICE_TABLE(pci, ip2main_pci_tbl);
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index e97c32ceb79..917b2040266 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -95,7 +95,7 @@ static inline int valid_phys_addr_range(unsigned long addr, size_t count)
 	return 1;
 }
 
-static inline int valid_mmap_phys_addr_range(unsigned long addr, size_t size)
+static inline int valid_mmap_phys_addr_range(unsigned long pfn, size_t size)
 {
 	return 1;
 }
@@ -242,7 +242,7 @@ static int mmap_mem(struct file * file, struct vm_area_struct * vma)
 {
 	size_t size = vma->vm_end - vma->vm_start;
 
-	if (!valid_mmap_phys_addr_range(vma->vm_pgoff << PAGE_SHIFT, size))
+	if (!valid_mmap_phys_addr_range(vma->vm_pgoff, size))
 		return -EINVAL;
 
 	vma->vm_page_prot = phys_mem_access_prot(file, vma->vm_pgoff,
diff --git a/drivers/char/nsc_gpio.c b/drivers/char/nsc_gpio.c
index 5b91e4e2564..7719bd75810 100644
--- a/drivers/char/nsc_gpio.c
+++ b/drivers/char/nsc_gpio.c
@@ -68,13 +68,11 @@ ssize_t nsc_gpio_write(struct file *file, const char __user *data,
 			amp->gpio_config(m, ~1, 0);
 			break;
 		case 'T':
-			dev_dbg(dev, "GPIO%d output is push pull\n",
-			       m);
+			dev_dbg(dev, "GPIO%d output is push pull\n", m);
 			amp->gpio_config(m, ~2, 2);
 			break;
 		case 't':
-			dev_dbg(dev, "GPIO%d output is open drain\n",
-			       m);
+			dev_dbg(dev, "GPIO%d output is open drain\n", m);
 			amp->gpio_config(m, ~2, 0);
 			break;
 		case 'P':
diff --git a/drivers/char/pc8736x_gpio.c b/drivers/char/pc8736x_gpio.c
index 4005ee0aa11..84e5a68635f 100644
--- a/drivers/char/pc8736x_gpio.c
+++ b/drivers/char/pc8736x_gpio.c
@@ -3,18 +3,18 @@
    National Semiconductor PC8736x GPIO driver.  Allows a user space
    process to play with the GPIO pins.
 
-   Copyright (c) 2005 Jim Cromie <jim.cromie@gmail.com>
+   Copyright (c) 2005,2006 Jim Cromie <jim.cromie@gmail.com>
 
    adapted from linux/drivers/char/scx200_gpio.c
    Copyright (c) 2001,2002 Christer Weinigel <wingel@nano-system.com>,
 */
 
-#include <linux/config.h>
 #include <linux/fs.h>
 #include <linux/module.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
+#include <linux/cdev.h>
 #include <linux/io.h>
 #include <linux/ioport.h>
 #include <linux/mutex.h>
@@ -25,7 +25,7 @@
 #define DEVNAME "pc8736x_gpio"
 
 MODULE_AUTHOR("Jim Cromie <jim.cromie@gmail.com>");
-MODULE_DESCRIPTION("NatSemi PC-8736x GPIO Pin Driver");
+MODULE_DESCRIPTION("NatSemi/Winbond PC-8736x GPIO Pin Driver");
 MODULE_LICENSE("GPL");
 
 static int major;		/* default to dynamic major */
@@ -38,14 +38,14 @@ static u8 pc8736x_gpio_shadow[4];
 
 #define SIO_BASE1       0x2E	/* 1st command-reg to check */
 #define SIO_BASE2       0x4E	/* alt command-reg to check */
-#define SIO_BASE_OFFSET 0x20
 
 #define SIO_SID		0x20	/* SuperI/O ID Register */
 #define SIO_SID_VALUE	0xe9	/* Expected value in SuperI/O ID Register */
 
 #define SIO_CF1		0x21	/* chip config, bit0 is chip enable */
 
-#define PC8736X_GPIO_SIZE	16
+#define PC8736X_GPIO_RANGE	16 /* ioaddr range */
+#define PC8736X_GPIO_CT		32 /* minors matching 4 8 bit ports */
 
 #define SIO_UNIT_SEL	0x7	/* unit select reg */
 #define SIO_UNIT_ACT	0x30	/* unit enable */
@@ -212,14 +212,12 @@ static void pc8736x_gpio_change(unsigned index)
 	pc8736x_gpio_set(index, !pc8736x_gpio_current(index));
 }
 
-static struct nsc_gpio_ops pc8736x_access = {
+static struct nsc_gpio_ops pc8736x_gpio_ops = {
 	.owner		= THIS_MODULE,
 	.gpio_config	= pc8736x_gpio_configure,
 	.gpio_dump	= nsc_gpio_dump,
 	.gpio_get	= pc8736x_gpio_get,
 	.gpio_set	= pc8736x_gpio_set,
-	.gpio_set_high	= pc8736x_gpio_set_high,
-	.gpio_set_low	= pc8736x_gpio_set_low,
 	.gpio_change	= pc8736x_gpio_change,
 	.gpio_current	= pc8736x_gpio_current
 };
@@ -227,16 +225,16 @@ static struct nsc_gpio_ops pc8736x_access = {
 static int pc8736x_gpio_open(struct inode *inode, struct file *file)
 {
 	unsigned m = iminor(inode);
-	file->private_data = &pc8736x_access;
+	file->private_data = &pc8736x_gpio_ops;
 
 	dev_dbg(&pdev->dev, "open %d\n", m);
 
-	if (m > 63)
+	if (m >= PC8736X_GPIO_CT)
 		return -EINVAL;
 	return nonseekable_open(inode, file);
 }
 
-static const struct file_operations pc8736x_gpio_fops = {
+static const struct file_operations pc8736x_gpio_fileops = {
 	.owner	= THIS_MODULE,
 	.open	= pc8736x_gpio_open,
 	.write	= nsc_gpio_write,
@@ -255,9 +253,12 @@ static void __init pc8736x_init_shadow(void)
 
 }
 
+static struct cdev pc8736x_gpio_cdev;
+
 static int __init pc8736x_gpio_init(void)
 {
-	int rc = 0;
+	int rc;
+	dev_t devid;
 
 	pdev = platform_device_alloc(DEVNAME, 0);
 	if (!pdev)
@@ -275,7 +276,7 @@ static int __init pc8736x_gpio_init(void)
 		dev_err(&pdev->dev, "no device found\n");
 		goto undo_platform_dev_add;
 	}
-	pc8736x_access.dev = &pdev->dev;
+	pc8736x_gpio_ops.dev = &pdev->dev;
 
 	/* Verify that chip and it's GPIO unit are both enabled.
 	   My BIOS does this, so I take minimum action here
@@ -297,7 +298,7 @@ static int __init pc8736x_gpio_init(void)
 	pc8736x_gpio_base = (superio_inb(SIO_BASE_HADDR) << 8
 			     | superio_inb(SIO_BASE_LADDR));
 
-	if (!request_region(pc8736x_gpio_base, 16, DEVNAME)) {
+	if (!request_region(pc8736x_gpio_base, PC8736X_GPIO_RANGE, DEVNAME)) {
 		rc = -ENODEV;
 		dev_err(&pdev->dev, "GPIO ioport %x busy\n",
 			pc8736x_gpio_base);
@@ -305,10 +306,17 @@ static int __init pc8736x_gpio_init(void)
 	}
 	dev_info(&pdev->dev, "GPIO ioport %x reserved\n", pc8736x_gpio_base);
 
-	rc = register_chrdev(major, DEVNAME, &pc8736x_gpio_fops);
+	if (major) {
+		devid = MKDEV(major, 0);
+		rc = register_chrdev_region(devid, PC8736X_GPIO_CT, DEVNAME);
+	} else {
+		rc = alloc_chrdev_region(&devid, 0, PC8736X_GPIO_CT, DEVNAME);
+		major = MAJOR(devid);
+	}
+
 	if (rc < 0) {
 		dev_err(&pdev->dev, "register-chrdev failed: %d\n", rc);
-		goto undo_platform_dev_add;
+		goto undo_request_region;
 	}
 	if (!major) {
 		major = rc;
@@ -316,8 +324,15 @@ static int __init pc8736x_gpio_init(void)
 	}
 
 	pc8736x_init_shadow();
+
+	/* ignore minor errs, and succeed */
+	cdev_init(&pc8736x_gpio_cdev, &pc8736x_gpio_fileops);
+	cdev_add(&pc8736x_gpio_cdev, devid, PC8736X_GPIO_CT);
+
 	return 0;
 
+undo_request_region:
+	release_region(pc8736x_gpio_base, PC8736X_GPIO_RANGE);
 undo_platform_dev_add:
 	platform_device_del(pdev);
 undo_platform_dev_alloc:
@@ -328,14 +343,15 @@ undo_platform_dev_alloc:
 
 static void __exit pc8736x_gpio_cleanup(void)
 {
-	dev_dbg(&pdev->dev, " cleanup\n");
+	dev_dbg(&pdev->dev, "cleanup\n");
 
-	release_region(pc8736x_gpio_base, 16);
+	cdev_del(&pc8736x_gpio_cdev);
+	unregister_chrdev_region(MKDEV(major,0), PC8736X_GPIO_CT);
+	release_region(pc8736x_gpio_base, PC8736X_GPIO_RANGE);
 
-	unregister_chrdev(major, DEVNAME);
+	platform_device_del(pdev);
+	platform_device_put(pdev);
 }
 
-EXPORT_SYMBOL(pc8736x_access);
-
 module_init(pc8736x_gpio_init);
 module_exit(pc8736x_gpio_cleanup);
diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
index 17bc8abd5df..00f574cbb0d 100644
--- a/drivers/char/pcmcia/synclink_cs.c
+++ b/drivers/char/pcmcia/synclink_cs.c
@@ -1174,8 +1174,12 @@ static void dcd_change(MGSLPC_INFO *info)
 	else
 		info->input_signal_events.dcd_down++;
 #ifdef CONFIG_HDLC
-	if (info->netcount)
-		hdlc_set_carrier(info->serial_signals & SerialSignal_DCD, info->netdev);
+	if (info->netcount) {
+		if (info->serial_signals & SerialSignal_DCD)
+			netif_carrier_on(info->netdev);
+		else
+			netif_carrier_off(info->netdev);
+	}
 #endif
 	wake_up_interruptible(&info->status_event_wait_q);
 	wake_up_interruptible(&info->event_wait_q);
@@ -4251,8 +4255,10 @@ static int hdlcdev_open(struct net_device *dev)
 	spin_lock_irqsave(&info->lock, flags);
 	get_signals(info);
 	spin_unlock_irqrestore(&info->lock, flags);
-	hdlc_set_carrier(info->serial_signals & SerialSignal_DCD, dev);
-
+	if (info->serial_signals & SerialSignal_DCD)
+		netif_carrier_on(dev);
+	else
+		netif_carrier_off(dev);
 	return 0;
 }
 
diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c
index cc7bd1a3095..6e6a7c7a7ef 100644
--- a/drivers/char/rtc.c
+++ b/drivers/char/rtc.c
@@ -46,13 +46,12 @@
  *      1.11a   Daniele Bellucci: Audit create_proc_read_entry in rtc_init
  *	1.12	Venkatesh Pallipadi: Hooks for emulating rtc on HPET base-timer
  *		CONFIG_HPET_EMULATE_RTC
+ *	1.12a	Maciej W. Rozycki: Handle memory-mapped chips properly.
  *	1.12ac	Alan Cox: Allow read access to the day of week register
  */
 
 #define RTC_VERSION		"1.12ac"
 
-#define RTC_IO_EXTENT	0x8
-
 /*
  *	Note that *all* calls to CMOS_READ and CMOS_WRITE are done with
  *	interrupts disabled. Due to the index-port/data-port (0x70/0x71)
@@ -337,7 +336,15 @@ static ssize_t rtc_read(struct file *file, char __user *buf,
 	if (rtc_has_irq == 0)
 		return -EIO;
 
-	if (count < sizeof(unsigned))
+	/*
+	 * Historically this function used to assume that sizeof(unsigned long)
+	 * is the same in userspace and kernelspace.  This lead to problems
+	 * for configurations with multiple ABIs such a the MIPS o32 and 64
+	 * ABIs supported on the same kernel.  So now we support read of both
+	 * 4 and 8 bytes and assume that's the sizeof(unsigned long) in the
+	 * userspace ABI.
+	 */
+	if (count != sizeof(unsigned int) && count !=  sizeof(unsigned long))
 		return -EINVAL;
 
 	add_wait_queue(&rtc_wait, &wait);
@@ -368,10 +375,12 @@ static ssize_t rtc_read(struct file *file, char __user *buf,
 		schedule();
 	} while (1);
 
-	if (count < sizeof(unsigned long))
-		retval = put_user(data, (unsigned int __user *)buf) ?: sizeof(int); 
+	if (count == sizeof(unsigned int))
+		retval = put_user(data, (unsigned int __user *)buf) ?: sizeof(int);
 	else
 		retval = put_user(data, (unsigned long __user *)buf) ?: sizeof(long);
+	if (!retval)
+		retval = count;
  out:
 	current->state = TASK_RUNNING;
 	remove_wait_queue(&rtc_wait, &wait);
@@ -923,6 +932,9 @@ static int __init rtc_init(void)
 	struct sparc_isa_device *isa_dev;
 #endif
 #endif
+#ifndef __sparc__
+	void *r;
+#endif
 
 #ifdef __sparc__
 	for_each_ebus(ebus) {
@@ -964,8 +976,13 @@ found:
 	}
 no_irq:
 #else
-	if (!request_region(RTC_PORT(0), RTC_IO_EXTENT, "rtc")) {
-		printk(KERN_ERR "rtc: I/O port %d is not free.\n", RTC_PORT (0));
+	if (RTC_IOMAPPED)
+		r = request_region(RTC_PORT(0), RTC_IO_EXTENT, "rtc");
+	else
+		r = request_mem_region(RTC_PORT(0), RTC_IO_EXTENT, "rtc");
+	if (!r) {
+		printk(KERN_ERR "rtc: I/O resource %lx is not free.\n",
+		       (long)(RTC_PORT(0)));
 		return -EIO;
 	}
 
@@ -979,7 +996,10 @@ no_irq:
 	if(request_irq(RTC_IRQ, rtc_int_handler_ptr, IRQF_DISABLED, "rtc", NULL)) {
 		/* Yeah right, seeing as irq 8 doesn't even hit the bus. */
 		printk(KERN_ERR "rtc: IRQ %d is not free.\n", RTC_IRQ);
-		release_region(RTC_PORT(0), RTC_IO_EXTENT);
+		if (RTC_IOMAPPED)
+			release_region(RTC_PORT(0), RTC_IO_EXTENT);
+		else
+			release_mem_region(RTC_PORT(0), RTC_IO_EXTENT);
 		return -EIO;
 	}
 	hpet_rtc_timer_init();
@@ -1079,7 +1099,10 @@ static void __exit rtc_exit (void)
 	if (rtc_has_irq)
 		free_irq (rtc_irq, &rtc_port);
 #else
-	release_region (RTC_PORT (0), RTC_IO_EXTENT);
+	if (RTC_IOMAPPED)
+		release_region(RTC_PORT(0), RTC_IO_EXTENT);
+	else
+		release_mem_region(RTC_PORT(0), RTC_IO_EXTENT);
 #ifdef RTC_IRQ
 	if (rtc_has_irq)
 		free_irq (RTC_IRQ, NULL);
@@ -1222,7 +1245,7 @@ static int rtc_proc_open(struct inode *inode, struct file *file)
 
 void rtc_get_rtc_time(struct rtc_time *rtc_tm)
 {
-	unsigned long uip_watchdog = jiffies;
+	unsigned long uip_watchdog = jiffies, flags;
 	unsigned char ctrl;
 #ifdef CONFIG_MACH_DECSTATION
 	unsigned int real_year;
@@ -1249,7 +1272,7 @@ void rtc_get_rtc_time(struct rtc_time *rtc_tm)
 	 * RTC has RTC_DAY_OF_WEEK, we should usually ignore it, as it is
 	 * only updated by the RTC when initially set to a non-zero value.
 	 */
-	spin_lock_irq(&rtc_lock);
+	spin_lock_irqsave(&rtc_lock, flags);
 	rtc_tm->tm_sec = CMOS_READ(RTC_SECONDS);
 	rtc_tm->tm_min = CMOS_READ(RTC_MINUTES);
 	rtc_tm->tm_hour = CMOS_READ(RTC_HOURS);
@@ -1263,7 +1286,7 @@ void rtc_get_rtc_time(struct rtc_time *rtc_tm)
 	real_year = CMOS_READ(RTC_DEC_YEAR);
 #endif
 	ctrl = CMOS_READ(RTC_CONTROL);
-	spin_unlock_irq(&rtc_lock);
+	spin_unlock_irqrestore(&rtc_lock, flags);
 
 	if (!(ctrl & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
 	{
diff --git a/drivers/char/scx200_gpio.c b/drivers/char/scx200_gpio.c
index 425c58719db..b956c7babd1 100644
--- a/drivers/char/scx200_gpio.c
+++ b/drivers/char/scx200_gpio.c
@@ -5,7 +5,6 @@
 
    Copyright (c) 2001,2002 Christer Weinigel <wingel@nano-system.com> */
 
-#include <linux/config.h>
 #include <linux/device.h>
 #include <linux/fs.h>
 #include <linux/module.h>
@@ -22,37 +21,37 @@
 #include <linux/scx200_gpio.h>
 #include <linux/nsc_gpio.h>
 
-#define NAME "scx200_gpio"
-#define DEVNAME NAME
+#define DRVNAME "scx200_gpio"
 
 static struct platform_device *pdev;
 
 MODULE_AUTHOR("Christer Weinigel <wingel@nano-system.com>");
-MODULE_DESCRIPTION("NatSemi SCx200 GPIO Pin Driver");
+MODULE_DESCRIPTION("NatSemi/AMD SCx200 GPIO Pin Driver");
 MODULE_LICENSE("GPL");
 
 static int major = 0;		/* default to dynamic major */
 module_param(major, int, 0);
 MODULE_PARM_DESC(major, "Major device number");
 
-struct nsc_gpio_ops scx200_access = {
+#define MAX_PINS 32		/* 64 later, when known ok */
+
+struct nsc_gpio_ops scx200_gpio_ops = {
 	.owner		= THIS_MODULE,
 	.gpio_config	= scx200_gpio_configure,
 	.gpio_dump	= nsc_gpio_dump,
 	.gpio_get	= scx200_gpio_get,
 	.gpio_set	= scx200_gpio_set,
-	.gpio_set_high	= scx200_gpio_set_high,
-	.gpio_set_low	= scx200_gpio_set_low,
 	.gpio_change	= scx200_gpio_change,
 	.gpio_current	= scx200_gpio_current
 };
+EXPORT_SYMBOL(scx200_gpio_ops);
 
 static int scx200_gpio_open(struct inode *inode, struct file *file)
 {
 	unsigned m = iminor(inode);
-	file->private_data = &scx200_access;
+	file->private_data = &scx200_gpio_ops;
 
-	if (m > 63)
+	if (m >= MAX_PINS)
 		return -EINVAL;
 	return nonseekable_open(inode, file);
 }
@@ -62,8 +61,7 @@ static int scx200_gpio_release(struct inode *inode, struct file *file)
 	return 0;
 }
 
-
-static const struct file_operations scx200_gpio_fops = {
+static const struct file_operations scx200_gpio_fileops = {
 	.owner   = THIS_MODULE,
 	.write   = nsc_gpio_write,
 	.read    = nsc_gpio_read,
@@ -71,21 +69,20 @@ static const struct file_operations scx200_gpio_fops = {
 	.release = scx200_gpio_release,
 };
 
-struct cdev *scx200_devices;
-static int num_pins = 32;
+struct cdev scx200_gpio_cdev;  /* use 1 cdev for all pins */
 
 static int __init scx200_gpio_init(void)
 {
-	int rc, i;
-	dev_t dev = MKDEV(major, 0);
+	int rc;
+	dev_t devid;
 
 	if (!scx200_gpio_present()) {
-		printk(KERN_ERR NAME ": no SCx200 gpio present\n");
+		printk(KERN_ERR DRVNAME ": no SCx200 gpio present\n");
 		return -ENODEV;
 	}
 
 	/* support dev_dbg() with pdev->dev */
-	pdev = platform_device_alloc(DEVNAME, 0);
+	pdev = platform_device_alloc(DRVNAME, 0);
 	if (!pdev)
 		return -ENOMEM;
 
@@ -94,37 +91,25 @@ static int __init scx200_gpio_init(void)
 		goto undo_malloc;
 
 	/* nsc_gpio uses dev_dbg(), so needs this */
-	scx200_access.dev = &pdev->dev;
-
-	if (major)
-		rc = register_chrdev_region(dev, num_pins, "scx200_gpio");
-	else {
-		rc = alloc_chrdev_region(&dev, 0, num_pins, "scx200_gpio");
-		major = MAJOR(dev);
+	scx200_gpio_ops.dev = &pdev->dev;
+
+	if (major) {
+		devid = MKDEV(major, 0);
+		rc = register_chrdev_region(devid, MAX_PINS, "scx200_gpio");
+	} else {
+		rc = alloc_chrdev_region(&devid, 0, MAX_PINS, "scx200_gpio");
+		major = MAJOR(devid);
 	}
 	if (rc < 0) {
 		dev_err(&pdev->dev, "SCx200 chrdev_region err: %d\n", rc);
 		goto undo_platform_device_add;
 	}
-	scx200_devices = kzalloc(num_pins * sizeof(struct cdev), GFP_KERNEL);
-	if (!scx200_devices) {
-		rc = -ENOMEM;
-		goto undo_chrdev_region;
-	}
-	for (i = 0; i < num_pins; i++) {
-		struct cdev *cdev = &scx200_devices[i];
-		cdev_init(cdev, &scx200_gpio_fops);
-		cdev->owner = THIS_MODULE;
-		rc = cdev_add(cdev, MKDEV(major, i), 1);
-		/* tolerate 'minor' errors */
-		if (rc)
-			dev_err(&pdev->dev, "Error %d on minor %d", rc, i);
-	}
+
+	cdev_init(&scx200_gpio_cdev, &scx200_gpio_fileops);
+	cdev_add(&scx200_gpio_cdev, devid, MAX_PINS);
 
 	return 0; /* succeed */
 
-undo_chrdev_region:
-	unregister_chrdev_region(dev, num_pins);
 undo_platform_device_add:
 	platform_device_del(pdev);
 undo_malloc:
@@ -135,10 +120,11 @@ undo_malloc:
 
 static void __exit scx200_gpio_cleanup(void)
 {
-	kfree(scx200_devices);
-	unregister_chrdev_region(MKDEV(major, 0), num_pins);
+	cdev_del(&scx200_gpio_cdev);
+	/* cdev_put(&scx200_gpio_cdev); */
+
+	unregister_chrdev_region(MKDEV(major, 0), MAX_PINS);
 	platform_device_unregister(pdev);
-	/* kfree(pdev); */
 }
 
 module_init(scx200_gpio_init);
diff --git a/drivers/char/snsc.c b/drivers/char/snsc.c
index afc6eda602f..07e0b75f233 100644
--- a/drivers/char/snsc.c
+++ b/drivers/char/snsc.c
@@ -374,7 +374,12 @@ scdrv_init(void)
 	struct sysctl_data_s *scd;
 	void *salbuf;
 	dev_t first_dev, dev;
-	nasid_t event_nasid = ia64_sn_get_console_nasid();
+	nasid_t event_nasid;
+
+	if (!ia64_platform_is("sn2"))
+		return -ENODEV;
+
+	event_nasid = ia64_sn_get_console_nasid();
 
 	if (alloc_chrdev_region(&first_dev, 0, num_cnodes,
 				SYSCTL_BASENAME) < 0) {
diff --git a/drivers/char/snsc_event.c b/drivers/char/snsc_event.c
index 8b2210b633d..d12d4f629ce 100644
--- a/drivers/char/snsc_event.c
+++ b/drivers/char/snsc_event.c
@@ -220,20 +220,7 @@ scdrv_dispatch_event(char *event, int len)
 			       " Sending SIGPWR to init...\n");
 
 		/* give a SIGPWR signal to init proc */
-
-		/* first find init's task */
-		read_lock(&tasklist_lock);
-		for_each_process(p) {
-			if (p->pid == 1)
-				break;
-		}
-		if (p) {
-			force_sig(SIGPWR, p);
-		} else {
-			printk(KERN_ERR "Failed to signal init!\n");
-			snsc_shutting_down = 0; /* so can try again (?) */
-		}
-		read_unlock(&tasklist_lock);
+		kill_proc(1, SIGPWR, 0);
 	} else {
 		/* print to system log */
 		printk("%s|$(0x%x)%s\n", severity, esp_code, desc);
diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c
index cb2859249d4..a1d303f9a33 100644
--- a/drivers/char/specialix.c
+++ b/drivers/char/specialix.c
@@ -2584,6 +2584,12 @@ static void __exit specialix_exit_module(void)
 	func_exit();
 }
 
+static struct pci_device_id specialx_pci_tbl[] __devinitdata = {
+	{ PCI_DEVICE(PCI_VENDOR_ID_SPECIALIX, PCI_DEVICE_ID_SPECIALIX_IO8) },
+	{ }
+};
+MODULE_DEVICE_TABLE(pci, specialx_pci_tbl);
+
 module_init(specialix_init_module);
 module_exit(specialix_exit_module);
 
diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c
index df782dd1098..78b1b1a2732 100644
--- a/drivers/char/synclink.c
+++ b/drivers/char/synclink.c
@@ -1344,8 +1344,12 @@ static void mgsl_isr_io_pin( struct mgsl_struct *info )
 			} else
 				info->input_signal_events.dcd_down++;
 #ifdef CONFIG_HDLC
-			if (info->netcount)
-				hdlc_set_carrier(status & MISCSTATUS_DCD, info->netdev);
+			if (info->netcount) {
+				if (status & MISCSTATUS_DCD)
+					netif_carrier_on(info->netdev);
+				else
+					netif_carrier_off(info->netdev);
+			}
 #endif
 		}
 		if (status & MISCSTATUS_CTS_LATCHED)
@@ -7844,8 +7848,10 @@ static int hdlcdev_open(struct net_device *dev)
 	spin_lock_irqsave(&info->irq_spinlock, flags);
 	usc_get_serial_signals(info);
 	spin_unlock_irqrestore(&info->irq_spinlock, flags);
-	hdlc_set_carrier(info->serial_signals & SerialSignal_DCD, dev);
-
+	if (info->serial_signals & SerialSignal_DCD)
+		netif_carrier_on(dev);
+	else
+		netif_carrier_off(dev);
 	return 0;
 }
 
diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c
index e829594195c..b2dbbdb1bf8 100644
--- a/drivers/char/synclink_gt.c
+++ b/drivers/char/synclink_gt.c
@@ -1497,8 +1497,10 @@ static int hdlcdev_open(struct net_device *dev)
 	spin_lock_irqsave(&info->lock, flags);
 	get_signals(info);
 	spin_unlock_irqrestore(&info->lock, flags);
-	hdlc_set_carrier(info->signals & SerialSignal_DCD, dev);
-
+	if (info->signals & SerialSignal_DCD)
+		netif_carrier_on(dev);
+	else
+		netif_carrier_off(dev);
 	return 0;
 }
 
@@ -1997,8 +1999,12 @@ static void dcd_change(struct slgt_info *info)
 		info->input_signal_events.dcd_down++;
 	}
 #ifdef CONFIG_HDLC
-	if (info->netcount)
-		hdlc_set_carrier(info->signals & SerialSignal_DCD, info->netdev);
+	if (info->netcount) {
+		if (info->signals & SerialSignal_DCD)
+			netif_carrier_on(info->netdev);
+		else
+			netif_carrier_off(info->netdev);
+	}
 #endif
 	wake_up_interruptible(&info->status_event_wait_q);
 	wake_up_interruptible(&info->event_wait_q);
diff --git a/drivers/char/synclinkmp.c b/drivers/char/synclinkmp.c
index 1e443a233f5..66f3754fbbd 100644
--- a/drivers/char/synclinkmp.c
+++ b/drivers/char/synclinkmp.c
@@ -1752,8 +1752,10 @@ static int hdlcdev_open(struct net_device *dev)
 	spin_lock_irqsave(&info->lock, flags);
 	get_signals(info);
 	spin_unlock_irqrestore(&info->lock, flags);
-	hdlc_set_carrier(info->serial_signals & SerialSignal_DCD, dev);
-
+	if (info->serial_signals & SerialSignal_DCD)
+		netif_carrier_on(dev);
+	else
+		netif_carrier_off(dev);
 	return 0;
 }
 
@@ -2522,8 +2524,12 @@ void isr_io_pin( SLMP_INFO *info, u16 status )
 			} else
 				info->input_signal_events.dcd_down++;
 #ifdef CONFIG_HDLC
-			if (info->netcount)
-				hdlc_set_carrier(status & SerialSignal_DCD, info->netdev);
+			if (info->netcount) {
+				if (status & SerialSignal_DCD)
+					netif_carrier_on(info->netdev);
+				else
+					netif_carrier_off(info->netdev);
+			}
 #endif
 		}
 		if (status & MISCSTATUS_CTS_LATCHED)
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 6889e7db3af..a082a2e3425 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -1141,6 +1141,7 @@ struct tpm_chip *tpm_register_hardware(struct device *dev, const struct tpm_vend
 		put_device(dev);
 		clear_bit(chip->dev_num, dev_mask);
 		kfree(chip);
+		kfree(devname);
 		return NULL;
 	}
 
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index 3232b193259..ee7ac6f43c6 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -424,6 +424,7 @@ static irqreturn_t tis_int_handler(int irq, void *dev_id, struct pt_regs *regs)
 	iowrite32(interrupt,
 		  chip->vendor.iobase +
 		  TPM_INT_STATUS(chip->vendor.locality));
+	ioread32(chip->vendor.iobase + TPM_INT_STATUS(chip->vendor.locality));
 	return IRQ_HANDLED;
 }
 
@@ -431,23 +432,19 @@ static int interrupts = 1;
 module_param(interrupts, bool, 0444);
 MODULE_PARM_DESC(interrupts, "Enable interrupts");
 
-static int __devinit tpm_tis_pnp_init(struct pnp_dev *pnp_dev,
-				      const struct pnp_device_id *pnp_id)
+static int tpm_tis_init(struct device *dev, resource_size_t start,
+			resource_size_t len)
 {
 	u32 vendor, intfcaps, intmask;
 	int rc, i;
-	unsigned long start, len;
 	struct tpm_chip *chip;
 
-	start = pnp_mem_start(pnp_dev, 0);
-	len = pnp_mem_len(pnp_dev, 0);
-
 	if (!start)
 		start = TIS_MEM_BASE;
 	if (!len)
 		len = TIS_MEM_LEN;
 
-	if (!(chip = tpm_register_hardware(&pnp_dev->dev, &tpm_tis)))
+	if (!(chip = tpm_register_hardware(dev, &tpm_tis)))
 		return -ENODEV;
 
 	chip->vendor.iobase = ioremap(start, len);
@@ -464,7 +461,7 @@ static int __devinit tpm_tis_pnp_init(struct pnp_dev *pnp_dev,
 	chip->vendor.timeout_c = msecs_to_jiffies(TIS_SHORT_TIMEOUT);
 	chip->vendor.timeout_d = msecs_to_jiffies(TIS_SHORT_TIMEOUT);
 
-	dev_info(&pnp_dev->dev,
+	dev_info(dev,
 		 "1.2 TPM (device-id 0x%X, rev-id %d)\n",
 		 vendor >> 16, ioread8(chip->vendor.iobase + TPM_RID(0)));
 
@@ -472,26 +469,26 @@ static int __devinit tpm_tis_pnp_init(struct pnp_dev *pnp_dev,
 	intfcaps =
 	    ioread32(chip->vendor.iobase +
 		     TPM_INTF_CAPS(chip->vendor.locality));
-	dev_dbg(&pnp_dev->dev, "TPM interface capabilities (0x%x):\n",
+	dev_dbg(dev, "TPM interface capabilities (0x%x):\n",
 		intfcaps);
 	if (intfcaps & TPM_INTF_BURST_COUNT_STATIC)
-		dev_dbg(&pnp_dev->dev, "\tBurst Count Static\n");
+		dev_dbg(dev, "\tBurst Count Static\n");
 	if (intfcaps & TPM_INTF_CMD_READY_INT)
-		dev_dbg(&pnp_dev->dev, "\tCommand Ready Int Support\n");
+		dev_dbg(dev, "\tCommand Ready Int Support\n");
 	if (intfcaps & TPM_INTF_INT_EDGE_FALLING)
-		dev_dbg(&pnp_dev->dev, "\tInterrupt Edge Falling\n");
+		dev_dbg(dev, "\tInterrupt Edge Falling\n");
 	if (intfcaps & TPM_INTF_INT_EDGE_RISING)
-		dev_dbg(&pnp_dev->dev, "\tInterrupt Edge Rising\n");
+		dev_dbg(dev, "\tInterrupt Edge Rising\n");
 	if (intfcaps & TPM_INTF_INT_LEVEL_LOW)
-		dev_dbg(&pnp_dev->dev, "\tInterrupt Level Low\n");
+		dev_dbg(dev, "\tInterrupt Level Low\n");
 	if (intfcaps & TPM_INTF_INT_LEVEL_HIGH)
-		dev_dbg(&pnp_dev->dev, "\tInterrupt Level High\n");
+		dev_dbg(dev, "\tInterrupt Level High\n");
 	if (intfcaps & TPM_INTF_LOCALITY_CHANGE_INT)
-		dev_dbg(&pnp_dev->dev, "\tLocality Change Int Support\n");
+		dev_dbg(dev, "\tLocality Change Int Support\n");
 	if (intfcaps & TPM_INTF_STS_VALID_INT)
-		dev_dbg(&pnp_dev->dev, "\tSts Valid Int Support\n");
+		dev_dbg(dev, "\tSts Valid Int Support\n");
 	if (intfcaps & TPM_INTF_DATA_AVAIL_INT)
-		dev_dbg(&pnp_dev->dev, "\tData Avail Int Support\n");
+		dev_dbg(dev, "\tData Avail Int Support\n");
 
 	if (request_locality(chip, 0) != 0) {
 		rc = -ENODEV;
@@ -594,6 +591,16 @@ out_err:
 	return rc;
 }
 
+static int __devinit tpm_tis_pnp_init(struct pnp_dev *pnp_dev,
+				      const struct pnp_device_id *pnp_id)
+{
+	resource_size_t start, len;
+	start = pnp_mem_start(pnp_dev, 0);
+	len = pnp_mem_len(pnp_dev, 0);
+
+	return tpm_tis_init(&pnp_dev->dev, start, len);
+}
+
 static int tpm_tis_pnp_suspend(struct pnp_dev *dev, pm_message_t msg)
 {
 	return tpm_pm_suspend(&dev->dev, msg);
@@ -628,8 +635,36 @@ module_param_string(hid, tpm_pnp_tbl[TIS_HID_USR_IDX].id,
 		    sizeof(tpm_pnp_tbl[TIS_HID_USR_IDX].id), 0444);
 MODULE_PARM_DESC(hid, "Set additional specific HID for this driver to probe");
 
+static struct device_driver tis_drv = {
+	.name = "tpm_tis",
+	.bus = &platform_bus_type,
+	.owner = THIS_MODULE,
+	.suspend = tpm_pm_suspend,
+	.resume = tpm_pm_resume,
+};
+
+static struct platform_device *pdev;
+
+static int force;
+module_param(force, bool, 0444);
+MODULE_PARM_DESC(force, "Force device probe rather than using ACPI entry");
 static int __init init_tis(void)
 {
+	int rc;
+
+	if (force) {
+		rc = driver_register(&tis_drv);
+		if (rc < 0)
+			return rc;
+		if (IS_ERR(pdev=platform_device_register_simple("tpm_tis", -1, NULL, 0)))
+			return PTR_ERR(pdev);
+		if((rc=tpm_tis_init(&pdev->dev, 0, 0)) != 0) {
+			platform_device_unregister(pdev);
+			driver_unregister(&tis_drv);
+		}
+		return rc;
+	}
+
 	return pnp_register_driver(&tis_pnp_driver);
 }
 
@@ -654,7 +689,11 @@ static void __exit cleanup_tis(void)
 		tpm_remove_hardware(chip->dev);
 	}
 	spin_unlock(&tis_lock);
-	pnp_unregister_driver(&tis_pnp_driver);
+	if (force) {
+		platform_device_unregister(pdev);
+		driver_unregister(&tis_drv);
+	} else
+		pnp_unregister_driver(&tis_pnp_driver);
 }
 
 module_init(init_tis);
diff --git a/drivers/char/vr41xx_giu.c b/drivers/char/vr41xx_giu.c
index 1b9b1f1d4c4..8116a47b80f 100644
--- a/drivers/char/vr41xx_giu.c
+++ b/drivers/char/vr41xx_giu.c
@@ -33,6 +33,7 @@
 #include <asm/cpu.h>
 #include <asm/io.h>
 #include <asm/vr41xx/giu.h>
+#include <asm/vr41xx/irq.h>
 #include <asm/vr41xx/vr41xx.h>
 
 MODULE_AUTHOR("Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>");