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-rw-r--r--drivers/usb/host/hwa-hc.c159
-rw-r--r--drivers/usb/host/whci/Kbuild1
-rw-r--r--drivers/usb/host/whci/asl.c46
-rw-r--r--drivers/usb/host/whci/debug.c189
-rw-r--r--drivers/usb/host/whci/hcd.c6
-rw-r--r--drivers/usb/host/whci/hw.c8
-rw-r--r--drivers/usb/host/whci/int.c1
-rw-r--r--drivers/usb/host/whci/pzl.c49
-rw-r--r--drivers/usb/host/whci/qset.c40
-rw-r--r--drivers/usb/host/whci/whcd.h11
-rw-r--r--drivers/usb/host/whci/whci-hc.h2
-rw-r--r--drivers/usb/host/whci/wusb.c43
-rw-r--r--drivers/usb/serial/console.c13
-rw-r--r--drivers/usb/serial/ftdi_sio.c9
-rw-r--r--drivers/usb/serial/kl5kusb105.c1
-rw-r--r--drivers/usb/serial/mct_u232.c2
-rw-r--r--drivers/usb/serial/mos7840.c3
-rw-r--r--drivers/usb/serial/sierra.c2
-rw-r--r--drivers/usb/serial/usb-serial.c26
-rw-r--r--drivers/usb/wusbcore/cbaf.c1
-rw-r--r--drivers/usb/wusbcore/crypto.c79
-rw-r--r--drivers/usb/wusbcore/dev-sysfs.c4
-rw-r--r--drivers/usb/wusbcore/devconnect.c233
-rw-r--r--drivers/usb/wusbcore/mmc.c118
-rw-r--r--drivers/usb/wusbcore/pal.c16
-rw-r--r--drivers/usb/wusbcore/reservation.c21
-rw-r--r--drivers/usb/wusbcore/rh.c104
-rw-r--r--drivers/usb/wusbcore/security.c78
-rw-r--r--drivers/usb/wusbcore/wa-nep.c16
-rw-r--r--drivers/usb/wusbcore/wa-rpipe.c68
-rw-r--r--drivers/usb/wusbcore/wa-xfer.c180
-rw-r--r--drivers/usb/wusbcore/wusbhc.h36
32 files changed, 605 insertions, 960 deletions
diff --git a/drivers/usb/host/hwa-hc.c b/drivers/usb/host/hwa-hc.c
index 64be4d88df1..8582236e4ca 100644
--- a/drivers/usb/host/hwa-hc.c
+++ b/drivers/usb/host/hwa-hc.c
@@ -54,7 +54,6 @@
* DWA).
*/
#include <linux/kernel.h>
-#include <linux/version.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/workqueue.h>
@@ -63,16 +62,12 @@
#include "../wusbcore/wa-hc.h"
#include "../wusbcore/wusbhc.h"
-#define D_LOCAL 0
-#include <linux/uwb/debug.h>
-
struct hwahc {
struct wusbhc wusbhc; /* has to be 1st */
struct wahc wa;
- u8 buffer[16]; /* for misc usb transactions */
};
-/**
+/*
* FIXME should be wusbhc
*
* NOTE: we need to cache the Cluster ID because later...there is no
@@ -126,7 +121,6 @@ static int hwahc_op_reset(struct usb_hcd *usb_hcd)
struct hwahc *hwahc = container_of(wusbhc, struct hwahc, wusbhc);
struct device *dev = &hwahc->wa.usb_iface->dev;
- d_fnstart(4, dev, "(hwahc %p)\n", hwahc);
mutex_lock(&wusbhc->mutex);
wa_nep_disarm(&hwahc->wa);
result = __wa_set_feature(&hwahc->wa, WA_RESET);
@@ -134,7 +128,6 @@ static int hwahc_op_reset(struct usb_hcd *usb_hcd)
dev_err(dev, "error commanding HC to reset: %d\n", result);
goto error_unlock;
}
- d_printf(3, dev, "reset: waiting for device to change state\n");
result = __wa_wait_status(&hwahc->wa, WA_STATUS_RESETTING, 0);
if (result < 0) {
dev_err(dev, "error waiting for HC to reset: %d\n", result);
@@ -142,7 +135,6 @@ static int hwahc_op_reset(struct usb_hcd *usb_hcd)
}
error_unlock:
mutex_unlock(&wusbhc->mutex);
- d_fnend(4, dev, "(hwahc %p) = %d\n", hwahc, result);
return result;
}
@@ -155,15 +147,9 @@ static int hwahc_op_start(struct usb_hcd *usb_hcd)
int result;
struct wusbhc *wusbhc = usb_hcd_to_wusbhc(usb_hcd);
struct hwahc *hwahc = container_of(wusbhc, struct hwahc, wusbhc);
- struct device *dev = &hwahc->wa.usb_iface->dev;
- /* Set up a Host Info WUSB Information Element */
- d_fnstart(4, dev, "(hwahc %p)\n", hwahc);
result = -ENOSPC;
mutex_lock(&wusbhc->mutex);
- /* Start the numbering from the top so that the bottom
- * range of the unauth addr space is used for devices,
- * the top for HCs; use 0xfe - RC# */
addr = wusb_cluster_id_get();
if (addr == 0)
goto error_cluster_id_get;
@@ -171,22 +157,14 @@ static int hwahc_op_start(struct usb_hcd *usb_hcd)
if (result < 0)
goto error_set_cluster_id;
- result = wa_nep_arm(&hwahc->wa, GFP_KERNEL);
- if (result < 0) {
- dev_err(dev, "cannot listen to notifications: %d\n", result);
- goto error_stop;
- }
usb_hcd->uses_new_polling = 1;
usb_hcd->poll_rh = 1;
usb_hcd->state = HC_STATE_RUNNING;
result = 0;
out:
mutex_unlock(&wusbhc->mutex);
- d_fnend(4, dev, "(hwahc %p) = %d\n", hwahc, result);
return result;
-error_stop:
- __wa_stop(&hwahc->wa);
error_set_cluster_id:
wusb_cluster_id_put(wusbhc->cluster_id);
error_cluster_id_get:
@@ -194,39 +172,6 @@ error_cluster_id_get:
}
-/*
- * FIXME: break this function up
- */
-static int __hwahc_op_wusbhc_start(struct wusbhc *wusbhc)
-{
- int result;
- struct hwahc *hwahc = container_of(wusbhc, struct hwahc, wusbhc);
- struct device *dev = &hwahc->wa.usb_iface->dev;
-
- /* Set up a Host Info WUSB Information Element */
- d_fnstart(4, dev, "(hwahc %p)\n", hwahc);
- result = -ENOSPC;
-
- result = __wa_set_feature(&hwahc->wa, WA_ENABLE);
- if (result < 0) {
- dev_err(dev, "error commanding HC to start: %d\n", result);
- goto error_stop;
- }
- result = __wa_wait_status(&hwahc->wa, WA_ENABLE, WA_ENABLE);
- if (result < 0) {
- dev_err(dev, "error waiting for HC to start: %d\n", result);
- goto error_stop;
- }
- result = 0;
-out:
- d_fnend(4, dev, "(hwahc %p) = %d\n", hwahc, result);
- return result;
-
-error_stop:
- result = __wa_clear_feature(&hwahc->wa, WA_ENABLE);
- goto out;
-}
-
static int hwahc_op_suspend(struct usb_hcd *usb_hcd, pm_message_t msg)
{
struct wusbhc *wusbhc = usb_hcd_to_wusbhc(usb_hcd);
@@ -246,18 +191,6 @@ static int hwahc_op_resume(struct usb_hcd *usb_hcd)
return -ENOSYS;
}
-static void __hwahc_op_wusbhc_stop(struct wusbhc *wusbhc)
-{
- int result;
- struct hwahc *hwahc = container_of(wusbhc, struct hwahc, wusbhc);
- struct device *dev = &hwahc->wa.usb_iface->dev;
-
- d_fnstart(4, dev, "(hwahc %p)\n", hwahc);
- /* Nothing for now */
- d_fnend(4, dev, "(hwahc %p) = %d\n", hwahc, result);
- return;
-}
-
/*
* No need to abort pipes, as when this is called, all the children
* has been disconnected and that has done it [through
@@ -266,21 +199,11 @@ static void __hwahc_op_wusbhc_stop(struct wusbhc *wusbhc)
*/
static void hwahc_op_stop(struct usb_hcd *usb_hcd)
{
- int result;
struct wusbhc *wusbhc = usb_hcd_to_wusbhc(usb_hcd);
- struct hwahc *hwahc = container_of(wusbhc, struct hwahc, wusbhc);
- struct wahc *wa = &hwahc->wa;
- struct device *dev = &wa->usb_iface->dev;
- d_fnstart(4, dev, "(hwahc %p)\n", hwahc);
mutex_lock(&wusbhc->mutex);
- wusbhc_stop(wusbhc);
- wa_nep_disarm(&hwahc->wa);
- result = __wa_stop(&hwahc->wa);
wusb_cluster_id_put(wusbhc->cluster_id);
mutex_unlock(&wusbhc->mutex);
- d_fnend(4, dev, "(hwahc %p) = %d\n", hwahc, result);
- return;
}
static int hwahc_op_get_frame_number(struct usb_hcd *usb_hcd)
@@ -325,6 +248,54 @@ static void hwahc_op_endpoint_disable(struct usb_hcd *usb_hcd,
rpipe_ep_disable(&hwahc->wa, ep);
}
+static int __hwahc_op_wusbhc_start(struct wusbhc *wusbhc)
+{
+ int result;
+ struct hwahc *hwahc = container_of(wusbhc, struct hwahc, wusbhc);
+ struct device *dev = &hwahc->wa.usb_iface->dev;
+
+ result = __wa_set_feature(&hwahc->wa, WA_ENABLE);
+ if (result < 0) {
+ dev_err(dev, "error commanding HC to start: %d\n", result);
+ goto error_stop;
+ }
+ result = __wa_wait_status(&hwahc->wa, WA_ENABLE, WA_ENABLE);
+ if (result < 0) {
+ dev_err(dev, "error waiting for HC to start: %d\n", result);
+ goto error_stop;
+ }
+ result = wa_nep_arm(&hwahc->wa, GFP_KERNEL);
+ if (result < 0) {
+ dev_err(dev, "cannot listen to notifications: %d\n", result);
+ goto error_stop;
+ }
+ return result;
+
+error_stop:
+ __wa_clear_feature(&hwahc->wa, WA_ENABLE);
+ return result;
+}
+
+static void __hwahc_op_wusbhc_stop(struct wusbhc *wusbhc, int delay)
+{
+ struct hwahc *hwahc = container_of(wusbhc, struct hwahc, wusbhc);
+ struct wahc *wa = &hwahc->wa;
+ u8 iface_no = wa->usb_iface->cur_altsetting->desc.bInterfaceNumber;
+ int ret;
+
+ ret = usb_control_msg(wa->usb_dev, usb_sndctrlpipe(wa->usb_dev, 0),
+ WUSB_REQ_CHAN_STOP,
+ USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+ delay * 1000,
+ iface_no,
+ NULL, 0, 1000 /* FIXME: arbitrary */);
+ if (ret == 0)
+ msleep(delay);
+
+ wa_nep_disarm(&hwahc->wa);
+ __wa_stop(&hwahc->wa);
+}
+
/*
* Set the UWB MAS allocation for the WUSB cluster
*
@@ -581,11 +552,11 @@ static int wa_fill_descr(struct wahc *wa)
itr_size = le16_to_cpu(usb_dev->actconfig->desc.wTotalLength);
while (itr_size >= sizeof(*hdr)) {
hdr = (struct usb_descriptor_header *) itr;
- d_printf(3, dev, "Extra device descriptor: "
- "type %02x/%u bytes @ %zu (%zu left)\n",
- hdr->bDescriptorType, hdr->bLength,
- (itr - usb_dev->rawdescriptors[actconfig_idx]),
- itr_size);
+ dev_dbg(dev, "Extra device descriptor: "
+ "type %02x/%u bytes @ %zu (%zu left)\n",
+ hdr->bDescriptorType, hdr->bLength,
+ (itr - usb_dev->rawdescriptors[actconfig_idx]),
+ itr_size);
if (hdr->bDescriptorType == USB_DT_WIRE_ADAPTER)
goto found;
itr += hdr->bLength;
@@ -794,7 +765,6 @@ static void hwahc_destroy(struct hwahc *hwahc)
{
struct wusbhc *wusbhc = &hwahc->wusbhc;
- d_fnstart(1, NULL, "(hwahc %p)\n", hwahc);
mutex_lock(&wusbhc->mutex);
__wa_destroy(&hwahc->wa);
wusbhc_destroy(&hwahc->wusbhc);
@@ -804,7 +774,6 @@ static void hwahc_destroy(struct hwahc *hwahc)
usb_put_intf(hwahc->wa.usb_iface);
usb_put_dev(hwahc->wa.usb_dev);
mutex_unlock(&wusbhc->mutex);
- d_fnend(1, NULL, "(hwahc %p) = void\n", hwahc);
}
static void hwahc_init(struct hwahc *hwahc)
@@ -821,7 +790,6 @@ static int hwahc_probe(struct usb_interface *usb_iface,
struct hwahc *hwahc;
struct device *dev = &usb_iface->dev;
- d_fnstart(4, dev, "(%p, %p)\n", usb_iface, id);
result = -ENOMEM;
usb_hcd = usb_create_hcd(&hwahc_hc_driver, &usb_iface->dev, "wusb-hwa");
if (usb_hcd == NULL) {
@@ -848,7 +816,6 @@ static int hwahc_probe(struct usb_interface *usb_iface,
dev_err(dev, "Cannot setup phase B of WUSBHC: %d\n", result);
goto error_wusbhc_b_create;
}
- d_fnend(4, dev, "(%p, %p) = 0\n", usb_iface, id);
return 0;
error_wusbhc_b_create:
@@ -858,7 +825,6 @@ error_add_hcd:
error_hwahc_create:
usb_put_hcd(usb_hcd);
error_alloc:
- d_fnend(4, dev, "(%p, %p) = %d\n", usb_iface, id, result);
return result;
}
@@ -872,16 +838,12 @@ static void hwahc_disconnect(struct usb_interface *usb_iface)
wusbhc = usb_hcd_to_wusbhc(usb_hcd);
hwahc = container_of(wusbhc, struct hwahc, wusbhc);
- d_fnstart(1, NULL, "(hwahc %p [usb_iface %p])\n", hwahc, usb_iface);
wusbhc_b_destroy(&hwahc->wusbhc);
usb_remove_hcd(usb_hcd);
hwahc_destroy(hwahc);
usb_put_hcd(usb_hcd);
- d_fnend(1, NULL, "(hwahc %p [usb_iface %p]) = void\n", hwahc,
- usb_iface);
}
-/** USB device ID's that we handle */
static struct usb_device_id hwahc_id_table[] = {
/* FIXME: use class labels for this */
{ USB_INTERFACE_INFO(0xe0, 0x02, 0x01), },
@@ -898,18 +860,7 @@ static struct usb_driver hwahc_driver = {
static int __init hwahc_driver_init(void)
{
- int result;
- result = usb_register(&hwahc_driver);
- if (result < 0) {
- printk(KERN_ERR "WA-CDS: Cannot register USB driver: %d\n",
- result);
- goto error_usb_register;
- }
- return 0;
-
-error_usb_register:
- return result;
-
+ return usb_register(&hwahc_driver);
}
module_init(hwahc_driver_init);
diff --git a/drivers/usb/host/whci/Kbuild b/drivers/usb/host/whci/Kbuild
index 26a3871ea0f..11e5040b833 100644
--- a/drivers/usb/host/whci/Kbuild
+++ b/drivers/usb/host/whci/Kbuild
@@ -2,6 +2,7 @@ obj-$(CONFIG_USB_WHCI_HCD) += whci-hcd.o
whci-hcd-y := \
asl.o \
+ debug.o \
hcd.o \
hw.o \
init.o \
diff --git a/drivers/usb/host/whci/asl.c b/drivers/usb/host/whci/asl.c
index 4d7078e5057..577c0d29849 100644
--- a/drivers/usb/host/whci/asl.c
+++ b/drivers/usb/host/whci/asl.c
@@ -19,32 +19,11 @@
#include <linux/dma-mapping.h>
#include <linux/uwb/umc.h>
#include <linux/usb.h>
-#define D_LOCAL 0
-#include <linux/uwb/debug.h>
#include "../../wusbcore/wusbhc.h"
#include "whcd.h"
-#if D_LOCAL >= 4
-static void dump_asl(struct whc *whc, const char *tag)
-{
- struct device *dev = &whc->umc->dev;
- struct whc_qset *qset;
-
- d_printf(4, dev, "ASL %s\n", tag);
-
- list_for_each_entry(qset, &whc->async_list, list_node) {
- dump_qset(qset, dev);
- }
-}
-#else
-static inline void dump_asl(struct whc *whc, const char *tag)
-{
-}
-#endif
-
-
static void qset_get_next_prev(struct whc *whc, struct whc_qset *qset,
struct whc_qset **next, struct whc_qset **prev)
{
@@ -179,11 +158,26 @@ void asl_stop(struct whc *whc)
1000, "stop ASL");
}
+/**
+ * asl_update - request an ASL update and wait for the hardware to be synced
+ * @whc: the WHCI HC
+ * @wusbcmd: WUSBCMD value to start the update.
+ *
+ * If the WUSB HC is inactive (i.e., the ASL is stopped) then the
+ * update must be skipped as the hardware may not respond to update
+ * requests.
+ */
void asl_update(struct whc *whc, uint32_t wusbcmd)
{
- whc_write_wusbcmd(whc, wusbcmd, wusbcmd);
- wait_event(whc->async_list_wq,
- (le_readl(whc->base + WUSBCMD) & WUSBCMD_ASYNC_UPDATED) == 0);
+ struct wusbhc *wusbhc = &whc->wusbhc;
+
+ mutex_lock(&wusbhc->mutex);
+ if (wusbhc->active) {
+ whc_write_wusbcmd(whc, wusbcmd, wusbcmd);
+ wait_event(whc->async_list_wq,
+ (le_readl(whc->base + WUSBCMD) & WUSBCMD_ASYNC_UPDATED) == 0);
+ }
+ mutex_unlock(&wusbhc->mutex);
}
/**
@@ -202,8 +196,6 @@ void scan_async_work(struct work_struct *work)
spin_lock_irq(&whc->lock);
- dump_asl(whc, "before processing");
-
/*
* Transerve the software list backwards so new qsets can be
* safely inserted into the ASL without making it non-circular.
@@ -217,8 +209,6 @@ void scan_async_work(struct work_struct *work)
update |= process_qset(whc, qset);
}
- dump_asl(whc, "after processing");
-
spin_unlock_irq(&whc->lock);
if (update) {
diff --git a/drivers/usb/host/whci/debug.c b/drivers/usb/host/whci/debug.c
new file mode 100644
index 00000000000..cf2d45946c5
--- /dev/null
+++ b/drivers/usb/host/whci/debug.c
@@ -0,0 +1,189 @@
+/*
+ * Wireless Host Controller (WHC) debug.
+ *
+ * Copyright (C) 2008 Cambridge Silicon Radio Ltd.
+ *
+ * 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.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+#include <linux/kernel.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
+
+#include "../../wusbcore/wusbhc.h"
+
+#include "whcd.h"
+
+struct whc_dbg {
+ struct dentry *di_f;
+ struct dentry *asl_f;
+ struct dentry *pzl_f;
+};
+
+void qset_print(struct seq_file *s, struct whc_qset *qset)
+{
+ struct whc_std *std;
+ struct urb *urb = NULL;
+ int i;
+
+ seq_printf(s, "qset %08x\n", (u32)qset->qset_dma);
+ seq_printf(s, " -> %08x\n", (u32)qset->qh.link);
+ seq_printf(s, " info: %08x %08x %08x\n",
+ qset->qh.info1, qset->qh.info2, qset->qh.info3);
+ seq_printf(s, " sts: %04x errs: %d\n", qset->qh.status, qset->qh.err_count);
+ seq_printf(s, " TD: sts: %08x opts: %08x\n",
+ qset->qh.overlay.qtd.status, qset->qh.overlay.qtd.options);
+
+ for (i = 0; i < WHCI_QSET_TD_MAX; i++) {
+ seq_printf(s, " %c%c TD[%d]: sts: %08x opts: %08x ptr: %08x\n",
+ i == qset->td_start ? 'S' : ' ',
+ i == qset->td_end ? 'E' : ' ',
+ i, qset->qtd[i].status, qset->qtd[i].options,
+ (u32)qset->qtd[i].page_list_ptr);
+ }
+ seq_printf(s, " ntds: %d\n", qset->ntds);
+ list_for_each_entry(std, &qset->stds, list_node) {
+ if (urb != std->urb) {
+ urb = std->urb;
+ seq_printf(s, " urb %p transferred: %d bytes\n", urb,
+ urb->actual_length);
+ }
+ if (std->qtd)
+ seq_printf(s, " sTD[%td]: %zu bytes @ %08x\n",
+ std->qtd - &qset->qtd[0],
+ std->len, std->num_pointers ?
+ (u32)(std->pl_virt[0].buf_ptr) : (u32)std->dma_addr);
+ else
+ seq_printf(s, " sTD[-]: %zd bytes @ %08x\n",
+ std->len, std->num_pointers ?
+ (u32)(std->pl_virt[0].buf_ptr) : (u32)std->dma_addr);
+ }
+}
+
+static int di_print(struct seq_file *s, void *p)
+{
+ struct whc *whc = s->private;
+ char buf[72];
+ int d;
+
+ for (d = 0; d < whc->n_devices; d++) {
+ struct di_buf_entry *di = &whc->di_buf[d];
+
+ bitmap_scnprintf(buf, sizeof(buf),
+ (unsigned long *)di->availability_info, UWB_NUM_MAS);
+
+ seq_printf(s, "DI[%d]\n", d);
+ seq_printf(s, " availability: %s\n", buf);
+ seq_printf(s, " %c%c key idx: %d dev addr: %d\n",
+ (di->addr_sec_info & WHC_DI_SECURE) ? 'S' : ' ',
+ (di->addr_sec_info & WHC_DI_DISABLE) ? 'D' : ' ',
+ (di->addr_sec_info & WHC_DI_KEY_IDX_MASK) >> 8,
+ (di->addr_sec_info & WHC_DI_DEV_ADDR_MASK));
+ }
+ return 0;
+}
+
+static int asl_print(struct seq_file *s, void *p)
+{
+ struct whc *whc = s->private;
+ struct whc_qset *qset;
+
+ list_for_each_entry(qset, &whc->async_list, list_node) {
+ qset_print(s, qset);
+ }
+
+ return 0;
+}
+
+static int pzl_print(struct seq_file *s, void *p)
+{
+ struct whc *whc = s->private;
+ struct whc_qset *qset;
+ int period;
+
+ for (period = 0; period < 5; period++) {
+ seq_printf(s, "Period %d\n", period);
+ list_for_each_entry(qset, &whc->periodic_list[period], list_node) {
+ qset_print(s, qset);
+ }
+ }
+ return 0;
+}
+
+static int di_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, di_print, inode->i_private);
+}
+
+static int asl_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, asl_print, inode->i_private);
+}
+
+static int pzl_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, pzl_print, inode->i_private);
+}
+
+static struct file_operations di_fops = {
+ .open = di_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .owner = THIS_MODULE,
+};
+
+static struct file_operations asl_fops = {
+ .open = asl_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .owner = THIS_MODULE,
+};
+
+static struct file_operations pzl_fops = {
+ .open = pzl_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .owner = THIS_MODULE,
+};
+
+void whc_dbg_init(struct whc *whc)
+{
+ if (whc->wusbhc.pal.debugfs_dir == NULL)
+ return;
+
+ whc->dbg = kzalloc(sizeof(struct whc_dbg), GFP_KERNEL);
+ if (whc->dbg == NULL)
+ return;
+
+ whc->dbg->di_f = debugfs_create_file("di", 0444,
+ whc->wusbhc.pal.debugfs_dir, whc,
+ &di_fops);
+ whc->dbg->asl_f = debugfs_create_file("asl", 0444,
+ whc->wusbhc.pal.debugfs_dir, whc,
+ &asl_fops);
+ whc->dbg->pzl_f = debugfs_create_file("pzl", 0444,
+ whc->wusbhc.pal.debugfs_dir, whc,
+ &pzl_fops);
+}
+
+void whc_dbg_clean_up(struct whc *whc)
+{
+ if (whc->dbg) {
+ debugfs_remove(whc->dbg->pzl_f);
+ debugfs_remove(whc->dbg->asl_f);
+ debugfs_remove(whc->dbg->di_f);
+ kfree(whc->dbg);
+ }
+}
diff --git a/drivers/usb/host/whci/hcd.c b/drivers/usb/host/whci/hcd.c
index ef3ad4dca94..1569afd6245 100644
--- a/drivers/usb/host/whci/hcd.c
+++ b/drivers/usb/host/whci/hcd.c
@@ -15,7 +15,6 @@
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include <linux/version.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/uwb/umc.h>
@@ -92,8 +91,6 @@ static void whc_stop(struct usb_hcd *usb_hcd)
mutex_lock(&wusbhc->mutex);
- wusbhc_stop(wusbhc);
-
/* stop HC */
le_writel(0, whc->base + WUSBINTR);
whc_write_wusbcmd(whc, WUSBCMD_RUN, 0);
@@ -276,6 +273,8 @@ static int whc_probe(struct umc_dev *umc)
goto error_wusbhc_b_create;
}
+ whc_dbg_init(whc);
+
return 0;
error_wusbhc_b_create:
@@ -299,6 +298,7 @@ static void whc_remove(struct umc_dev *umc)
struct whc *whc = wusbhc_to_whc(wusbhc);
if (usb_hcd) {
+ whc_dbg_clean_up(whc);
wusbhc_b_destroy(wusbhc);
usb_remove_hcd(usb_hcd);
wusbhc_destroy(wusbhc);
diff --git a/drivers/usb/host/whci/hw.c b/drivers/usb/host/whci/hw.c
index ac86e59c122..d498e720321 100644
--- a/drivers/usb/host/whci/hw.c
+++ b/drivers/usb/host/whci/hw.c
@@ -50,6 +50,7 @@ int whc_do_gencmd(struct whc *whc, u32 cmd, u32 params, void *addr, size_t len)
unsigned long flags;
dma_addr_t dma_addr;
int t;
+ int ret = 0;
mutex_lock(&whc->mutex);
@@ -61,7 +62,8 @@ int whc_do_gencmd(struct whc *whc, u32 cmd, u32 params, void *addr, size_t len)
dev_err(&whc->umc->dev, "generic command timeout (%04x/%04x)\n",
le_readl(whc->base + WUSBGENCMDSTS),
le_readl(whc->base + WUSBGENCMDPARAMS));
- return -ETIMEDOUT;
+ ret = -ETIMEDOUT;
+ goto out;
}
if (addr) {
@@ -80,8 +82,8 @@ int whc_do_gencmd(struct whc *whc, u32 cmd, u32 params, void *addr, size_t len)
whc->base + WUSBGENCMDSTS);
spin_unlock_irqrestore(&whc->lock, flags);
-
+out:
mutex_unlock(&whc->mutex);
- return 0;
+ return ret;
}
diff --git a/drivers/usb/host/whci/int.c b/drivers/usb/host/whci/int.c
index fce01174aa9..6aae7002810 100644
--- a/drivers/usb/host/whci/int.c
+++ b/drivers/usb/host/whci/int.c
@@ -15,7 +15,6 @@
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include <linux/version.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/uwb/umc.h>
diff --git a/drivers/usb/host/whci/pzl.c b/drivers/usb/host/whci/pzl.c
index 8d62df0c330..2ae5abf69a6 100644
--- a/drivers/usb/host/whci/pzl.c
+++ b/drivers/usb/host/whci/pzl.c
@@ -19,35 +19,11 @@
#include <linux/dma-mapping.h>
#include <linux/uwb/umc.h>
#include <linux/usb.h>
-#define D_LOCAL 0
-#include <linux/uwb/debug.h>
#include "../../wusbcore/wusbhc.h"
#include "whcd.h"
-#if D_LOCAL >= 4
-static void dump_pzl(struct whc *whc, const char *tag)
-{
- struct device *dev = &whc->umc->dev;
- struct whc_qset *qset;
- int period = 0;
-
- d_printf(4, dev, "PZL %s\n", tag);
-
- for (period = 0; period < 5; period++) {
- d_printf(4, dev, "Period %d\n", period);
- list_for_each_entry(qset, &whc->periodic_list[period], list_node) {
- dump_qset(qset, dev);
- }
- }
-}
-#else
-static inline void dump_pzl(struct whc *whc, const char *tag)
-{
-}
-#endif
-
static void update_pzl_pointers(struct whc *whc, int period, u64 addr)
{
switch (period) {
@@ -195,11 +171,26 @@ void pzl_stop(struct whc *whc)
1000, "stop PZL");
}
+/**
+ * pzl_update - request a PZL update and wait for the hardware to be synced
+ * @whc: the WHCI HC
+ * @wusbcmd: WUSBCMD value to start the update.
+ *
+ * If the WUSB HC is inactive (i.e., the PZL is stopped) then the
+ * update must be skipped as the hardware may not respond to update
+ * requests.
+ */
void pzl_update(struct whc *whc, uint32_t wusbcmd)
{
- whc_write_wusbcmd(whc, wusbcmd, wusbcmd);
- wait_event(whc->periodic_list_wq,
- (le_readl(whc->base + WUSBCMD) & WUSBCMD_PERIODIC_UPDATED) == 0);
+ struct wusbhc *wusbhc = &whc->wusbhc;
+
+ mutex_lock(&wusbhc->mutex);
+ if (wusbhc->active) {
+ whc_write_wusbcmd(whc, wusbcmd, wusbcmd);
+ wait_event(whc->periodic_list_wq,
+ (le_readl(whc->base + WUSBCMD) & WUSBCMD_PERIODIC_UPDATED) == 0);
+ }
+ mutex_unlock(&wusbhc->mutex);
}
static void update_pzl_hw_view(struct whc *whc)
@@ -235,8 +226,6 @@ void scan_periodic_work(struct work_struct *work)
spin_lock_irq(&whc->lock);
- dump_pzl(whc, "before processing");
-
for (period = 4; period >= 0; period--) {
list_for_each_entry_safe(qset, t, &whc->periodic_list[period], list_node) {
if (!qset->in_hw_list)
@@ -248,8 +237,6 @@ void scan_periodic_work(struct work_struct *work)
if (update & (WHC_UPDATE_ADDED | WHC_UPDATE_REMOVED))
update_pzl_hw_view(whc);
- dump_pzl(whc, "after processing");
-
spin_unlock_irq(&whc->lock);
if (update) {
diff --git a/drivers/usb/host/whci/qset.c b/drivers/usb/host/whci/qset.c
index 0420037d2e1..7be74314ee1 100644
--- a/drivers/usb/host/whci/qset.c
+++ b/drivers/usb/host/whci/qset.c
@@ -24,46 +24,6 @@
#include "whcd.h"
-void dump_qset(struct whc_qset *qset, struct device *dev)
-{
- struct whc_std *std;
- struct urb *urb = NULL;
- int i;
-
- dev_dbg(dev, "qset %08x\n", (u32)qset->qset_dma);
- dev_dbg(dev, " -> %08x\n", (u32)qset->qh.link);
- dev_dbg(dev, " info: %08x %08x %08x\n",
- qset->qh.info1, qset->qh.info2, qset->qh.info3);
- dev_dbg(dev, " sts: %04x errs: %d\n", qset->qh.status, qset->qh.err_count);
- dev_dbg(dev, " TD: sts: %08x opts: %08x\n",
- qset->qh.overlay.qtd.status, qset->qh.overlay.qtd.options);
-
- for (i = 0; i < WHCI_QSET_TD_MAX; i++) {
- dev_dbg(dev, " %c%c TD[%d]: sts: %08x opts: %08x ptr: %08x\n",
- i == qset->td_start ? 'S' : ' ',
- i == qset->td_end ? 'E' : ' ',
- i, qset->qtd[i].status, qset->qtd[i].options,
- (u32)qset->qtd[i].page_list_ptr);
- }
- dev_dbg(dev, " ntds: %d\n", qset->ntds);
- list_for_each_entry(std, &qset->stds, list_node) {
- if (urb != std->urb) {
- urb = std->urb;
- dev_dbg(dev, " urb %p transferred: %d bytes\n", urb,
- urb->actual_length);
- }
- if (std->qtd)
- dev_dbg(dev, " sTD[%td]: %zu bytes @ %08x\n",
- std->qtd - &qset->qtd[0],
- std->len, std->num_pointers ?
- (u32)(std->pl_virt[0].buf_ptr) : (u32)std->dma_addr);
- else
- dev_dbg(dev, " sTD[-]: %zd bytes @ %08x\n",
- std->len, std->num_pointers ?
- (u32)(std->pl_virt[0].buf_ptr) : (u32)std->dma_addr);
- }
-}
-
struct whc_qset *qset_alloc(struct whc *whc, gfp_t mem_flags)
{
struct whc_qset *qset;
diff --git a/drivers/usb/host/whci/whcd.h b/drivers/usb/host/whci/whcd.h
index 1d2a53bd39f..0f3540f04f5 100644
--- a/drivers/usb/host/whci/whcd.h
+++ b/drivers/usb/host/whci/whcd.h
@@ -21,6 +21,7 @@
#define __WHCD_H
#include <linux/uwb/whci.h>
+#include <linux/uwb/umc.h>
#include <linux/workqueue.h>
#include "whci-hc.h"
@@ -28,6 +29,7 @@
/* Generic command timeout. */
#define WHC_GENCMD_TIMEOUT_MS 100
+struct whc_dbg;
struct whc {
struct wusbhc wusbhc;
@@ -69,6 +71,8 @@ struct whc {
struct list_head periodic_removed_list;
wait_queue_head_t periodic_list_wq;
struct work_struct periodic_work;
+
+ struct whc_dbg *dbg;
};
#define wusbhc_to_whc(w) (container_of((w), struct whc, wusbhc))
@@ -136,7 +140,7 @@ int whc_do_gencmd(struct whc *whc, u32 cmd, u32 params, void *addr, size_t len);
/* wusb.c */
int whc_wusbhc_start(struct wusbhc *wusbhc);
-void whc_wusbhc_stop(struct wusbhc *wusbhc);
+void whc_wusbhc_stop(struct wusbhc *wusbhc, int delay);
int whc_mmcie_add(struct wusbhc *wusbhc, u8 interval, u8 repeat_cnt,
u8 handle, struct wuie_hdr *wuie);
int whc_mmcie_rm(struct wusbhc *wusbhc, u8 handle);
@@ -190,8 +194,11 @@ void process_inactive_qtd(struct whc *whc, struct whc_qset *qset,
struct whc_qtd *qtd);
enum whc_update qset_add_qtds(struct whc *whc, struct whc_qset *qset);
void qset_remove_complete(struct whc *whc, struct whc_qset *qset);
-void dump_qset(struct whc_qset *qset, struct device *dev);
void pzl_update(struct whc *whc, uint32_t wusbcmd);
void asl_update(struct whc *whc, uint32_t wusbcmd);
+/* debug.c */
+void whc_dbg_init(struct whc *whc);
+void whc_dbg_clean_up(struct whc *whc);
+
#endif /* #ifndef __WHCD_H */
diff --git a/drivers/usb/host/whci/whci-hc.h b/drivers/usb/host/whci/whci-hc.h
index bff1eb7a35c..51df7e313b3 100644
--- a/drivers/usb/host/whci/whci-hc.h
+++ b/drivers/usb/host/whci/whci-hc.h
@@ -410,6 +410,8 @@ struct dn_buf_entry {
# define WUSBDNTSCTRL_SLOTS(s) ((s) << 0)
#define WUSBTIME 0x68
+# define WUSBTIME_CHANNEL_TIME_MASK 0x00ffffff
+
#define WUSBBPST 0x6c
#define WUSBDIBUPDATED 0x70
diff --git a/drivers/usb/host/whci/wusb.c b/drivers/usb/host/whci/wusb.c
index 66e4ddcd961..f24efdebad1 100644
--- a/drivers/usb/host/whci/wusb.c
+++ b/drivers/usb/host/whci/wusb.c
@@ -15,47 +15,19 @@
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include <linux/version.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/uwb/umc.h>
-#define D_LOCAL 1
-#include <linux/uwb/debug.h>
#include "../../wusbcore/wusbhc.h"
#include "whcd.h"
-#if D_LOCAL >= 1
-static void dump_di(struct whc *whc, int idx)
-{
- struct di_buf_entry *di = &whc->di_buf[idx];
- struct device *dev = &whc->umc->dev;
- char buf[128];
-
- bitmap_scnprintf(buf, sizeof(buf), (unsigned long *)di->availability_info, UWB_NUM_MAS);
-
- d_printf(1, dev, "DI[%d]\n", idx);
- d_printf(1, dev, " availability: %s\n", buf);
- d_printf(1, dev, " %c%c key idx: %d dev addr: %d\n",
- (di->addr_sec_info & WHC_DI_SECURE) ? 'S' : ' ',
- (di->addr_sec_info & WHC_DI_DISABLE) ? 'D' : ' ',
- (di->addr_sec_info & WHC_DI_KEY_IDX_MASK) >> 8,
- (di->addr_sec_info & WHC_DI_DEV_ADDR_MASK));
-}
-#else
-static inline void dump_di(struct whc *whc, int idx)
-{
-}
-#endif
-
static int whc_update_di(struct whc *whc, int idx)
{
int offset = idx / 32;
u32 bit = 1 << (idx % 32);
- dump_di(whc, idx);
-
le_writel(bit, whc->base + WUSBDIBUPDATED + offset);
return whci_wait_for(&whc->umc->dev,
@@ -64,8 +36,9 @@ static int whc_update_di(struct whc *whc, int idx)
}
/*
- * WHCI starts and stops MMCs based on there being a valid GTK so
- * these need only start/stop the asynchronous and periodic schedules.
+ * WHCI starts MMCs based on there being a valid GTK so these need
+ * only start/stop the asynchronous and periodic schedules and send a
+ * channel stop command.
*/
int whc_wusbhc_start(struct wusbhc *wusbhc)
@@ -78,12 +51,20 @@ int whc_wusbhc_start(struct wusbhc *wusbhc)
return 0;
}
-void whc_wusbhc_stop(struct wusbhc *wusbhc)
+void whc_wusbhc_stop(struct wusbhc *wusbhc, int delay)
{
struct whc *whc = wusbhc_to_whc(wusbhc);
+ u32 stop_time, now_time;
+ int ret;
pzl_stop(whc);
asl_stop(whc);
+
+ now_time = le_readl(whc->base + WUSBTIME) & WUSBTIME_CHANNEL_TIME_MASK;
+ stop_time = (now_time + ((delay * 8) << 7)) & 0x00ffffff;
+ ret = whc_do_gencmd(whc, WUSBGENCMDSTS_CHAN_STOP, stop_time, NULL, 0);
+ if (ret == 0)
+ msleep(delay);
}
int whc_mmcie_add(struct wusbhc *wusbhc, u8 interval, u8 repeat_cnt,
diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c
index 5b95009d2fb..19e24045b13 100644
--- a/drivers/usb/serial/console.c
+++ b/drivers/usb/serial/console.c
@@ -241,12 +241,25 @@ static void usb_console_write(struct console *co,
}
}
+static struct tty_driver *usb_console_device(struct console *co, int *index)
+{
+ struct tty_driver **p = (struct tty_driver **)co->data;
+
+ if (!*p)
+ return NULL;
+
+ *index = co->index;
+ return *p;
+}
+
static struct console usbcons = {
.name = "ttyUSB",
.write = usb_console_write,
+ .device = usb_console_device,
.setup = usb_console_setup,
.flags = CON_PRINTBUFFER,
.index = -1,
+ .data = &usb_serial_tty_driver,
};
void usb_serial_console_disconnect(struct usb_serial *serial)
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index fb6f2933b01..ef6cfa5a447 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1054,6 +1054,8 @@ static int set_serial_info(struct tty_struct *tty,
if (copy_from_user(&new_serial, newinfo, sizeof(new_serial)))
return -EFAULT;
+
+ lock_kernel();
old_priv = *priv;
/* Do error checking and permission checking */
@@ -1069,8 +1071,10 @@ static int set_serial_info(struct tty_struct *tty,
}
if ((new_serial.baud_base != priv->baud_base) &&
- (new_serial.baud_base < 9600))
+ (new_serial.baud_base < 9600)) {
+ unlock_kernel();
return -EINVAL;
+ }
/* Make the changes - these are privileged changes! */
@@ -1098,8 +1102,11 @@ check_and_exit:
(priv->flags & ASYNC_SPD_MASK)) ||
(((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
(old_priv.custom_divisor != priv->custom_divisor))) {
+ unlock_kernel();
change_speed(tty, port);
}
+ else
+ unlock_kernel();
return 0;
} /* set_serial_info */
diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c
index dc36a052766..fcd9082f3e7 100644
--- a/drivers/usb/serial/kl5kusb105.c
+++ b/drivers/usb/serial/kl5kusb105.c
@@ -878,6 +878,7 @@ static void mct_u232_break_ctl(struct tty_struct *tty, int break_state)
dbg("%sstate=%d", __func__, break_state);
+ /* LOCKING */
if (break_state)
lcr |= MCT_U232_SET_BREAK;
diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c
index 07710cf31d0..82930a7d509 100644
--- a/drivers/usb/serial/mct_u232.c
+++ b/drivers/usb/serial/mct_u232.c
@@ -721,10 +721,10 @@ static void mct_u232_break_ctl(struct tty_struct *tty, int break_state)
spin_lock_irqsave(&priv->lock, flags);
lcr = priv->last_lcr;
- spin_unlock_irqrestore(&priv->lock, flags);
if (break_state)
lcr |= MCT_U232_SET_BREAK;
+ spin_unlock_irqrestore(&priv->lock, flags);
mct_u232_set_line_ctrl(serial, lcr);
} /* mct_u232_break_ctl */
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index fda4a6421c4..96a8c771321 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -1343,6 +1343,7 @@ static void mos7840_break(struct tty_struct *tty, int break_state)
else
data = mos7840_port->shadowLCR & ~LCR_SET_BREAK;
+ /* FIXME: no locking on shadowLCR anywhere in driver */
mos7840_port->shadowLCR = data;
dbg("mcs7840_break mos7840_port->shadowLCR is %x\n",
mos7840_port->shadowLCR);
@@ -2214,10 +2215,12 @@ static int mos7840_set_modem_info(struct moschip_port *mos7840_port,
break;
}
+ lock_kernel();
mos7840_port->shadowMCR = mcr;
Data = mos7840_port->shadowMCR;
status = mos7840_set_uart_reg(port, MODEM_CONTROL_REGISTER, Data);
+ unlock_kernel();
if (status < 0) {
dbg("setting MODEM_CONTROL_REGISTER Failed\n");
return -1;
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index 0f2b67244af..d9bf9a5c20e 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -442,7 +442,7 @@ static void sierra_indat_callback(struct urb *urb)
" endpoint %02x.", __func__, status, endpoint);
} else {
if (urb->actual_length) {
- tty = tty_port_tty_get(&port->port);
+ tty = tty_port_tty_get(&port->port);
tty_buffer_request_room(tty, urb->actual_length);
tty_insert_flip_string(tty, data, urb->actual_length);
tty_flip_buffer_push(tty);
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 794b5ffe439..080ade223d5 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -269,15 +269,19 @@ static void serial_close(struct tty_struct *tty, struct file *filp)
return;
}
- --port->port.count;
- if (port->port.count == 0)
+ if (port->port.count == 1)
/* only call the device specific close if this
- * port is being closed by the last owner */
+ * port is being closed by the last owner. Ensure we do
+ * this before we drop the port count. The call is protected
+ * by the port mutex
+ */
port->serial->type->close(tty, port, filp);
- if (port->port.count == (port->console? 1 : 0)) {
+ if (port->port.count == (port->console ? 2 : 1)) {
struct tty_struct *tty = tty_port_tty_get(&port->port);
if (tty) {
+ /* We must do this before we drop the port count to
+ zero. */
if (tty->driver_data)
tty->driver_data = NULL;
tty_port_tty_set(&port->port, NULL);
@@ -285,13 +289,14 @@ static void serial_close(struct tty_struct *tty, struct file *filp)
}
}
- if (port->port.count == 0) {
+ if (port->port.count == 1) {
mutex_lock(&port->serial->disc_mutex);
if (!port->serial->disconnected)
usb_autopm_put_interface(port->serial->interface);
mutex_unlock(&port->serial->disc_mutex);
module_put(port->serial->type->driver.owner);
}
+ --port->port.count;
mutex_unlock(&port->mutex);
usb_serial_put(port->serial);
@@ -334,6 +339,10 @@ static int serial_chars_in_buffer(struct tty_struct *tty)
dbg("%s = port %d", __func__, port->number);
WARN_ON(!port->port.count);
+ /* if the device was unplugged then any remaining characters
+ fell out of the connector ;) */
+ if (port->serial->disconnected)
+ return 0;
/* pass on to the driver specific version of this function */
return port->serial->type->chars_in_buffer(tty);
}
@@ -373,9 +382,7 @@ static int serial_ioctl(struct tty_struct *tty, struct file *file,
/* pass on to the driver specific version of this function
if it is available */
if (port->serial->type->ioctl) {
- lock_kernel();
retval = port->serial->type->ioctl(tty, file, cmd, arg);
- unlock_kernel();
} else
retval = -ENOIOCTLCMD;
return retval;
@@ -404,11 +411,8 @@ static int serial_break(struct tty_struct *tty, int break_state)
WARN_ON(!port->port.count);
/* pass on to the driver specific version of this function
if it is available */
- if (port->serial->type->break_ctl) {
- lock_kernel();
+ if (port->serial->type->break_ctl)
port->serial->type->break_ctl(tty, break_state);
- unlock_kernel();
- }
return 0;
}
diff --git a/drivers/usb/wusbcore/cbaf.c b/drivers/usb/wusbcore/cbaf.c
index ab4788d1785..1335cbe1191 100644
--- a/drivers/usb/wusbcore/cbaf.c
+++ b/drivers/usb/wusbcore/cbaf.c
@@ -88,7 +88,6 @@
*/
#include <linux/module.h>
#include <linux/ctype.h>
-#include <linux/version.h>
#include <linux/usb.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
diff --git a/drivers/usb/wusbcore/crypto.c b/drivers/usb/wusbcore/crypto.c
index c36c4389baa..9ec7fd5da48 100644
--- a/drivers/usb/wusbcore/crypto.c
+++ b/drivers/usb/wusbcore/crypto.c
@@ -51,9 +51,17 @@
#include <linux/uwb.h>
#include <linux/usb/wusb.h>
#include <linux/scatterlist.h>
-#define D_LOCAL 0
-#include <linux/uwb/debug.h>
+static int debug_crypto_verify = 0;
+
+module_param(debug_crypto_verify, int, 0);
+MODULE_PARM_DESC(debug_crypto_verify, "verify the key generation algorithms");
+
+static void wusb_key_dump(const void *buf, size_t len)
+{
+ print_hex_dump(KERN_ERR, " ", DUMP_PREFIX_OFFSET, 16, 1,
+ buf, len, 0);
+}
/*
* Block of data, as understood by AES-CCM
@@ -203,9 +211,6 @@ static int wusb_ccm_mac(struct crypto_blkcipher *tfm_cbc,
const u8 bzero[16] = { 0 };
size_t zero_padding;
- d_fnstart(3, NULL, "(tfm_cbc %p, tfm_aes %p, mic %p, "
- "n %p, a %p, b %p, blen %zu)\n",
- tfm_cbc, tfm_aes, mic, n, a, b, blen);
/*
* These checks should be compile time optimized out
* ensure @a fills b1's mac_header and following fields
@@ -247,16 +252,6 @@ static int wusb_ccm_mac(struct crypto_blkcipher *tfm_cbc,
b1.la = cpu_to_be16(blen + 14);
memcpy(&b1.mac_header, a, sizeof(*a));
- d_printf(4, NULL, "I: B0 (%zu bytes)\n", sizeof(b0));
- d_dump(4, NULL, &b0, sizeof(b0));
- d_printf(4, NULL, "I: B1 (%zu bytes)\n", sizeof(b1));
- d_dump(4, NULL, &b1, sizeof(b1));
- d_printf(4, NULL, "I: B (%zu bytes)\n", blen);
- d_dump(4, NULL, b, blen);
- d_printf(4, NULL, "I: B 0-padding (%zu bytes)\n", zero_padding);
- d_printf(4, NULL, "D: IV before crypto (%zu)\n", ivsize);
- d_dump(4, NULL, iv, ivsize);
-
sg_init_table(sg, ARRAY_SIZE(sg));
sg_set_buf(&sg[0], &b0, sizeof(b0));
sg_set_buf(&sg[1], &b1, sizeof(b1));
@@ -273,8 +268,6 @@ static int wusb_ccm_mac(struct crypto_blkcipher *tfm_cbc,
result);
goto error_cbc_crypt;
}
- d_printf(4, NULL, "D: MIC tag\n");
- d_dump(4, NULL, iv, ivsize);
/* Now we crypt the MIC Tag (*iv) with Ax -- values per WUSB1.0[6.5]
* The procedure is to AES crypt the A0 block and XOR the MIC
@@ -289,17 +282,10 @@ static int wusb_ccm_mac(struct crypto_blkcipher *tfm_cbc,
ax.counter = 0;
crypto_cipher_encrypt_one(tfm_aes, (void *)&ax, (void *)&ax);
bytewise_xor(mic, &ax, iv, 8);
- d_printf(4, NULL, "D: CTR[MIC]\n");
- d_dump(4, NULL, &ax, 8);
- d_printf(4, NULL, "D: CCM-MIC tag\n");
- d_dump(4, NULL, mic, 8);
result = 8;
error_cbc_crypt:
kfree(dst_buf);
error_dst_buf:
- d_fnend(3, NULL, "(tfm_cbc %p, tfm_aes %p, mic %p, "
- "n %p, a %p, b %p, blen %zu)\n",
- tfm_cbc, tfm_aes, mic, n, a, b, blen);
return result;
}
@@ -321,10 +307,6 @@ ssize_t wusb_prf(void *out, size_t out_size,
u64 sfn = 0;
__le64 sfn_le;
- d_fnstart(3, NULL, "(out %p, out_size %zu, key %p, _n %p, "
- "a %p, b %p, blen %zu, len %zu)\n", out, out_size,
- key, _n, a, b, blen, len);
-
tfm_cbc = crypto_alloc_blkcipher("cbc(aes)", 0, CRYPTO_ALG_ASYNC);
if (IS_ERR(tfm_cbc)) {
result = PTR_ERR(tfm_cbc);
@@ -366,9 +348,6 @@ error_alloc_aes:
error_setkey_cbc:
crypto_free_blkcipher(tfm_cbc);
error_alloc_cbc:
- d_fnend(3, NULL, "(out %p, out_size %zu, key %p, _n %p, "
- "a %p, b %p, blen %zu, len %zu) = %d\n", out, out_size,
- key, _n, a, b, blen, len, (int)bytes);
return result;
}
@@ -422,14 +401,14 @@ static int wusb_oob_mic_verify(void)
"mismatch between MIC result and WUSB1.0[A2]\n");
hs_size = sizeof(stv_hsmic_hs) - sizeof(stv_hsmic_hs.MIC);
printk(KERN_ERR "E: Handshake2 in: (%zu bytes)\n", hs_size);
- dump_bytes(NULL, &stv_hsmic_hs, hs_size);
+ wusb_key_dump(&stv_hsmic_hs, hs_size);
printk(KERN_ERR "E: CCM Nonce in: (%zu bytes)\n",
sizeof(stv_hsmic_n));
- dump_bytes(NULL, &stv_hsmic_n, sizeof(stv_hsmic_n));
+ wusb_key_dump(&stv_hsmic_n, sizeof(stv_hsmic_n));
printk(KERN_ERR "E: MIC out:\n");
- dump_bytes(NULL, mic, sizeof(mic));
+ wusb_key_dump(mic, sizeof(mic));
printk(KERN_ERR "E: MIC out (from WUSB1.0[A.2]):\n");
- dump_bytes(NULL, stv_hsmic_hs.MIC, sizeof(stv_hsmic_hs.MIC));
+ wusb_key_dump(stv_hsmic_hs.MIC, sizeof(stv_hsmic_hs.MIC));
result = -EINVAL;
} else
result = 0;
@@ -497,19 +476,16 @@ static int wusb_key_derive_verify(void)
printk(KERN_ERR "E: WUSB key derivation test: "
"mismatch between key derivation result "
"and WUSB1.0[A1] Errata 2006/12\n");
- printk(KERN_ERR "E: keydvt in: key (%zu bytes)\n",
- sizeof(stv_key_a1));
- dump_bytes(NULL, stv_key_a1, sizeof(stv_key_a1));
- printk(KERN_ERR "E: keydvt in: nonce (%zu bytes)\n",
- sizeof(stv_keydvt_n_a1));
- dump_bytes(NULL, &stv_keydvt_n_a1, sizeof(stv_keydvt_n_a1));
- printk(KERN_ERR "E: keydvt in: hnonce & dnonce (%zu bytes)\n",
- sizeof(stv_keydvt_in_a1));
- dump_bytes(NULL, &stv_keydvt_in_a1, sizeof(stv_keydvt_in_a1));
+ printk(KERN_ERR "E: keydvt in: key\n");
+ wusb_key_dump(stv_key_a1, sizeof(stv_key_a1));
+ printk(KERN_ERR "E: keydvt in: nonce\n");
+ wusb_key_dump( &stv_keydvt_n_a1, sizeof(stv_keydvt_n_a1));
+ printk(KERN_ERR "E: keydvt in: hnonce & dnonce\n");
+ wusb_key_dump(&stv_keydvt_in_a1, sizeof(stv_keydvt_in_a1));
printk(KERN_ERR "E: keydvt out: KCK\n");
- dump_bytes(NULL, &keydvt_out.kck, sizeof(keydvt_out.kck));
+ wusb_key_dump(&keydvt_out.kck, sizeof(keydvt_out.kck));
printk(KERN_ERR "E: keydvt out: PTK\n");
- dump_bytes(NULL, &keydvt_out.ptk, sizeof(keydvt_out.ptk));
+ wusb_key_dump(&keydvt_out.ptk, sizeof(keydvt_out.ptk));
result = -EINVAL;
} else
result = 0;
@@ -526,10 +502,13 @@ int wusb_crypto_init(void)
{
int result;
- result = wusb_key_derive_verify();
- if (result < 0)
- return result;
- return wusb_oob_mic_verify();
+ if (debug_crypto_verify) {
+ result = wusb_key_derive_verify();
+ if (result < 0)
+ return result;
+ return wusb_oob_mic_verify();
+ }
+ return 0;
}
void wusb_crypto_exit(void)
diff --git a/drivers/usb/wusbcore/dev-sysfs.c b/drivers/usb/wusbcore/dev-sysfs.c
index 7897a19652e..10183457623 100644
--- a/drivers/usb/wusbcore/dev-sysfs.c
+++ b/drivers/usb/wusbcore/dev-sysfs.c
@@ -28,10 +28,6 @@
#include <linux/workqueue.h>
#include "wusbhc.h"
-#undef D_LOCAL
-#define D_LOCAL 4
-#include <linux/uwb/debug.h>
-
static ssize_t wusb_disconnect_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
diff --git a/drivers/usb/wusbcore/devconnect.c b/drivers/usb/wusbcore/devconnect.c
index f45d777bef3..e2e7e4bc846 100644
--- a/drivers/usb/wusbcore/devconnect.c
+++ b/drivers/usb/wusbcore/devconnect.c
@@ -57,9 +57,6 @@
* Called by notif.c:wusb_handle_dn_connect()
* when a DN_Connect is received.
*
- * wusbhc_devconnect_auth() Called by rh.c:wusbhc_rh_port_reset() when
- * doing the device connect sequence.
- *
* wusb_devconnect_acked() Ack done, release resources.
*
* wusb_handle_dn_alive() Called by notif.c:wusb_handle_dn()
@@ -69,9 +66,6 @@
* process a disconenct request from a
* device.
*
- * wusb_dev_reset() Called by rh.c:wusbhc_rh_port_reset() when
- * resetting a device.
- *
* __wusb_dev_disable() Called by rh.c:wusbhc_rh_clear_port_feat() when
* disabling a port.
*
@@ -97,10 +91,6 @@
#include <linux/workqueue.h>
#include "wusbhc.h"
-#undef D_LOCAL
-#define D_LOCAL 1
-#include <linux/uwb/debug.h>
-
static void wusbhc_devconnect_acked_work(struct work_struct *work);
static void wusb_dev_free(struct wusb_dev *wusb_dev)
@@ -240,6 +230,7 @@ static struct wusb_dev *wusbhc_cack_add(struct wusbhc *wusbhc,
list_add_tail(&wusb_dev->cack_node, &wusbhc->cack_list);
wusbhc->cack_count++;
wusbhc_fill_cack_ie(wusbhc);
+
return wusb_dev;
}
@@ -250,12 +241,9 @@ static struct wusb_dev *wusbhc_cack_add(struct wusbhc *wusbhc,
*/
static void wusbhc_cack_rm(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev)
{
- struct device *dev = wusbhc->dev;
- d_fnstart(3, dev, "(wusbhc %p wusb_dev %p)\n", wusbhc, wusb_dev);
list_del_init(&wusb_dev->cack_node);
wusbhc->cack_count--;
wusbhc_fill_cack_ie(wusbhc);
- d_fnend(3, dev, "(wusbhc %p wusb_dev %p) = void\n", wusbhc, wusb_dev);
}
/*
@@ -263,14 +251,11 @@ static void wusbhc_cack_rm(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev)
static
void wusbhc_devconnect_acked(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev)
{
- struct device *dev = wusbhc->dev;
- d_fnstart(3, dev, "(wusbhc %p wusb_dev %p)\n", wusbhc, wusb_dev);
wusbhc_cack_rm(wusbhc, wusb_dev);
if (wusbhc->cack_count)
wusbhc_mmcie_set(wusbhc, 0, 0, &wusbhc->cack_ie.hdr);
else
wusbhc_mmcie_rm(wusbhc, &wusbhc->cack_ie.hdr);
- d_fnend(3, dev, "(wusbhc %p wusb_dev %p) = void\n", wusbhc, wusb_dev);
}
static void wusbhc_devconnect_acked_work(struct work_struct *work)
@@ -320,7 +305,6 @@ void wusbhc_devconnect_ack(struct wusbhc *wusbhc, struct wusb_dn_connect *dnc,
struct wusb_port *port;
unsigned idx, devnum;
- d_fnstart(3, dev, "(%p, %p, %s)\n", wusbhc, dnc, pr_cdid);
mutex_lock(&wusbhc->mutex);
/* Check we are not handling it already */
@@ -366,16 +350,13 @@ void wusbhc_devconnect_ack(struct wusbhc *wusbhc, struct wusb_dn_connect *dnc,
port->wusb_dev = wusb_dev;
port->status |= USB_PORT_STAT_CONNECTION;
port->change |= USB_PORT_STAT_C_CONNECTION;
- port->reset_count = 0;
/* Now the port status changed to connected; khubd will
* pick the change up and try to reset the port to bring it to
* the enabled state--so this process returns up to the stack
- * and it calls back into wusbhc_rh_port_reset() who will call
- * devconnect_auth().
+ * and it calls back into wusbhc_rh_port_reset().
*/
error_unlock:
mutex_unlock(&wusbhc->mutex);
- d_fnend(3, dev, "(%p, %p, %s) = void\n", wusbhc, dnc, pr_cdid);
return;
}
@@ -398,10 +379,8 @@ error_unlock:
static void __wusbhc_dev_disconnect(struct wusbhc *wusbhc,
struct wusb_port *port)
{
- struct device *dev = wusbhc->dev;
struct wusb_dev *wusb_dev = port->wusb_dev;
- d_fnstart(3, dev, "(wusbhc %p, port %p)\n", wusbhc, port);
port->status &= ~(USB_PORT_STAT_CONNECTION | USB_PORT_STAT_ENABLE
| USB_PORT_STAT_SUSPEND | USB_PORT_STAT_RESET
| USB_PORT_STAT_LOW_SPEED | USB_PORT_STAT_HIGH_SPEED);
@@ -413,15 +392,11 @@ static void __wusbhc_dev_disconnect(struct wusbhc *wusbhc,
wusb_dev_put(wusb_dev);
}
port->wusb_dev = NULL;
- /* don't reset the reset_count to zero or wusbhc_rh_port_reset will get
- * confused! We only reset to zero when we connect a new device.
- */
/* After a device disconnects, change the GTK (see [WUSB]
* section 6.2.11.2). */
wusbhc_gtk_rekey(wusbhc);
- d_fnend(3, dev, "(wusbhc %p, port %p) = void\n", wusbhc, port);
/* The Wireless USB part has forgotten about the device already; now
* khubd's timer will pick up the disconnection and remove the USB
* device from the system
@@ -429,39 +404,6 @@ static void __wusbhc_dev_disconnect(struct wusbhc *wusbhc,
}
/*
- * Authenticate a device into the WUSB Cluster
- *
- * Called from the Root Hub code (rh.c:wusbhc_rh_port_reset()) when
- * asking for a reset on a port that is not enabled (ie: first connect
- * on the port).
- *
- * Performs the 4way handshake to allow the device to comunicate w/ the
- * WUSB Cluster securely; once done, issue a request to the device for
- * it to change to address 0.
- *
- * This mimics the reset step of Wired USB that once resetting a
- * device, leaves the port in enabled state and the dev with the
- * default address (0).
- *
- * WUSB1.0[7.1.2]
- *
- * @port_idx: port where the change happened--This is the index into
- * the wusbhc port array, not the USB port number.
- */
-int wusbhc_devconnect_auth(struct wusbhc *wusbhc, u8 port_idx)
-{
- struct device *dev = wusbhc->dev;
- struct wusb_port *port = wusb_port_by_idx(wusbhc, port_idx);
-
- d_fnstart(3, dev, "(%p, %u)\n", wusbhc, port_idx);
- port->status &= ~USB_PORT_STAT_RESET;
- port->status |= USB_PORT_STAT_ENABLE;
- port->change |= USB_PORT_STAT_C_RESET | USB_PORT_STAT_C_ENABLE;
- d_fnend(3, dev, "(%p, %u) = 0\n", wusbhc, port_idx);
- return 0;
-}
-
-/*
* Refresh the list of keep alives to emit in the MMC
*
* Some devices don't respond to keep alives unless they've been
@@ -528,21 +470,15 @@ static void __wusbhc_keep_alive(struct wusbhc *wusbhc)
*/
static void wusbhc_keep_alive_run(struct work_struct *ws)
{
- struct delayed_work *dw =
- container_of(ws, struct delayed_work, work);
- struct wusbhc *wusbhc =
- container_of(dw, struct wusbhc, keep_alive_timer);
-
- d_fnstart(5, wusbhc->dev, "(wusbhc %p)\n", wusbhc);
- if (wusbhc->active) {
- mutex_lock(&wusbhc->mutex);
- __wusbhc_keep_alive(wusbhc);
- mutex_unlock(&wusbhc->mutex);
- queue_delayed_work(wusbd, &wusbhc->keep_alive_timer,
- (wusbhc->trust_timeout * CONFIG_HZ)/1000/2);
- }
- d_fnend(5, wusbhc->dev, "(wusbhc %p) = void\n", wusbhc);
- return;
+ struct delayed_work *dw = container_of(ws, struct delayed_work, work);
+ struct wusbhc *wusbhc = container_of(dw, struct wusbhc, keep_alive_timer);
+
+ mutex_lock(&wusbhc->mutex);
+ __wusbhc_keep_alive(wusbhc);
+ mutex_unlock(&wusbhc->mutex);
+
+ queue_delayed_work(wusbd, &wusbhc->keep_alive_timer,
+ msecs_to_jiffies(wusbhc->trust_timeout / 2));
}
/*
@@ -585,10 +521,6 @@ static struct wusb_dev *wusbhc_find_dev_by_addr(struct wusbhc *wusbhc, u8 addr)
*/
static void wusbhc_handle_dn_alive(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev)
{
- struct device *dev = wusbhc->dev;
-
- d_printf(2, dev, "DN ALIVE: device 0x%02x pong\n", wusb_dev->addr);
-
mutex_lock(&wusbhc->mutex);
wusb_dev->entry_ts = jiffies;
__wusbhc_keep_alive(wusbhc);
@@ -621,11 +553,10 @@ static void wusbhc_handle_dn_connect(struct wusbhc *wusbhc,
"no-beacon"
};
- d_fnstart(3, dev, "(%p, %p, %zu)\n", wusbhc, dn_hdr, size);
if (size < sizeof(*dnc)) {
dev_err(dev, "DN CONNECT: short notification (%zu < %zu)\n",
size, sizeof(*dnc));
- goto out;
+ return;
}
dnc = container_of(dn_hdr, struct wusb_dn_connect, hdr);
@@ -637,10 +568,6 @@ static void wusbhc_handle_dn_connect(struct wusbhc *wusbhc,
wusb_dn_connect_new_connection(dnc) ? "connect" : "reconnect");
/* ACK the connect */
wusbhc_devconnect_ack(wusbhc, dnc, pr_cdid);
-out:
- d_fnend(3, dev, "(%p, %p, %zu) = void\n",
- wusbhc, dn_hdr, size);
- return;
}
/*
@@ -662,60 +589,6 @@ static void wusbhc_handle_dn_disconnect(struct wusbhc *wusbhc, struct wusb_dev *
}
/*
- * Reset a WUSB device on a HWA
- *
- * @wusbhc
- * @port_idx Index of the port where the device is
- *
- * In Wireless USB, a reset is more or less equivalent to a full
- * disconnect; so we just do a full disconnect and send the device a
- * Device Reset IE (WUSB1.0[7.5.11]) giving it a few millisecs (6 MMCs).
- *
- * @wusbhc should be refcounted and unlocked
- */
-int wusbhc_dev_reset(struct wusbhc *wusbhc, u8 port_idx)
-{
- int result;
- struct device *dev = wusbhc->dev;
- struct wusb_dev *wusb_dev;
- struct wuie_reset *ie;
-
- d_fnstart(3, dev, "(%p, %u)\n", wusbhc, port_idx);
- mutex_lock(&wusbhc->mutex);
- result = 0;
- wusb_dev = wusb_port_by_idx(wusbhc, port_idx)->wusb_dev;
- if (wusb_dev == NULL) {
- /* reset no device? ignore */
- dev_dbg(dev, "RESET: no device at port %u, ignoring\n",
- port_idx);
- goto error_unlock;
- }
- result = -ENOMEM;
- ie = kzalloc(sizeof(*ie), GFP_KERNEL);
- if (ie == NULL)
- goto error_unlock;
- ie->hdr.bLength = sizeof(ie->hdr) + sizeof(ie->CDID);
- ie->hdr.bIEIdentifier = WUIE_ID_RESET_DEVICE;
- ie->CDID = wusb_dev->cdid;
- result = wusbhc_mmcie_set(wusbhc, 0xff, 6, &ie->hdr);
- if (result < 0) {
- dev_err(dev, "RESET: cant's set MMC: %d\n", result);
- goto error_kfree;
- }
- __wusbhc_dev_disconnect(wusbhc, wusb_port_by_idx(wusbhc, port_idx));
-
- /* 120ms, hopefully 6 MMCs (FIXME) */
- msleep(120);
- wusbhc_mmcie_rm(wusbhc, &ie->hdr);
-error_kfree:
- kfree(ie);
-error_unlock:
- mutex_unlock(&wusbhc->mutex);
- d_fnend(3, dev, "(%p, %u) = %d\n", wusbhc, port_idx, result);
- return result;
-}
-
-/*
* Handle a Device Notification coming a host
*
* The Device Notification comes from a host (HWA, DWA or WHCI)
@@ -735,19 +608,17 @@ void wusbhc_handle_dn(struct wusbhc *wusbhc, u8 srcaddr,
struct device *dev = wusbhc->dev;
struct wusb_dev *wusb_dev;
- d_fnstart(3, dev, "(%p, %p)\n", wusbhc, dn_hdr);
-
if (size < sizeof(struct wusb_dn_hdr)) {
dev_err(dev, "DN data shorter than DN header (%d < %d)\n",
(int)size, (int)sizeof(struct wusb_dn_hdr));
- goto out;
+ return;
}
wusb_dev = wusbhc_find_dev_by_addr(wusbhc, srcaddr);
if (wusb_dev == NULL && dn_hdr->bType != WUSB_DN_CONNECT) {
dev_dbg(dev, "ignoring DN %d from unconnected device %02x\n",
dn_hdr->bType, srcaddr);
- goto out;
+ return;
}
switch (dn_hdr->bType) {
@@ -772,9 +643,6 @@ void wusbhc_handle_dn(struct wusbhc *wusbhc, u8 srcaddr,
dev_warn(dev, "unknown DN %u (%d octets) from %u\n",
dn_hdr->bType, (int)size, srcaddr);
}
-out:
- d_fnend(3, dev, "(%p, %p) = void\n", wusbhc, dn_hdr);
- return;
}
EXPORT_SYMBOL_GPL(wusbhc_handle_dn);
@@ -804,59 +672,30 @@ void __wusbhc_dev_disable(struct wusbhc *wusbhc, u8 port_idx)
struct wusb_dev *wusb_dev;
struct wuie_disconnect *ie;
- d_fnstart(3, dev, "(%p, %u)\n", wusbhc, port_idx);
- result = 0;
wusb_dev = wusb_port_by_idx(wusbhc, port_idx)->wusb_dev;
if (wusb_dev == NULL) {
/* reset no device? ignore */
dev_dbg(dev, "DISCONNECT: no device at port %u, ignoring\n",
port_idx);
- goto error;
+ return;
}
__wusbhc_dev_disconnect(wusbhc, wusb_port_by_idx(wusbhc, port_idx));
- result = -ENOMEM;
ie = kzalloc(sizeof(*ie), GFP_KERNEL);
if (ie == NULL)
- goto error;
+ return;
ie->hdr.bLength = sizeof(*ie);
ie->hdr.bIEIdentifier = WUIE_ID_DEVICE_DISCONNECT;
ie->bDeviceAddress = wusb_dev->addr;
result = wusbhc_mmcie_set(wusbhc, 0, 0, &ie->hdr);
- if (result < 0) {
+ if (result < 0)
dev_err(dev, "DISCONNECT: can't set MMC: %d\n", result);
- goto error_kfree;
+ else {
+ /* At least 6 MMCs, assuming at least 1 MMC per zone. */
+ msleep(7*4);
+ wusbhc_mmcie_rm(wusbhc, &ie->hdr);
}
-
- /* 120ms, hopefully 6 MMCs */
- msleep(100);
- wusbhc_mmcie_rm(wusbhc, &ie->hdr);
-error_kfree:
kfree(ie);
-error:
- d_fnend(3, dev, "(%p, %u) = %d\n", wusbhc, port_idx, result);
- return;
-}
-
-static void wusb_cap_descr_printf(const unsigned level, struct device *dev,
- const struct usb_wireless_cap_descriptor *wcd)
-{
- d_printf(level, dev,
- "WUSB Capability Descriptor\n"
- " bDevCapabilityType 0x%02x\n"
- " bmAttributes 0x%02x\n"
- " wPhyRates 0x%04x\n"
- " bmTFITXPowerInfo 0x%02x\n"
- " bmFFITXPowerInfo 0x%02x\n"
- " bmBandGroup 0x%04x\n"
- " bReserved 0x%02x\n",
- wcd->bDevCapabilityType,
- wcd->bmAttributes,
- le16_to_cpu(wcd->wPHYRates),
- wcd->bmTFITXPowerInfo,
- wcd->bmFFITXPowerInfo,
- wcd->bmBandGroup,
- wcd->bReserved);
}
/*
@@ -899,8 +738,6 @@ static int wusb_dev_bos_grok(struct usb_device *usb_dev,
}
cap_size = cap_hdr->bLength;
cap_type = cap_hdr->bDevCapabilityType;
- d_printf(4, dev, "BOS Capability: 0x%02x (%zu bytes)\n",
- cap_type, cap_size);
if (cap_size == 0)
break;
if (cap_size > top - itr) {
@@ -912,7 +749,6 @@ static int wusb_dev_bos_grok(struct usb_device *usb_dev,
result = -EBADF;
goto error_bad_cap;
}
- d_dump(3, dev, itr, cap_size);
switch (cap_type) {
case USB_CAP_TYPE_WIRELESS_USB:
if (cap_size != sizeof(*wusb_dev->wusb_cap_descr))
@@ -920,10 +756,8 @@ static int wusb_dev_bos_grok(struct usb_device *usb_dev,
"descriptor is %zu bytes vs %zu "
"needed\n", cap_size,
sizeof(*wusb_dev->wusb_cap_descr));
- else {
+ else
wusb_dev->wusb_cap_descr = itr;
- wusb_cap_descr_printf(3, dev, itr);
- }
break;
default:
dev_err(dev, "BUG? Unknown BOS capability 0x%02x "
@@ -988,9 +822,7 @@ static int wusb_dev_bos_add(struct usb_device *usb_dev,
"%zu bytes): %zd\n", desc_size, result);
goto error_get_descriptor;
}
- d_printf(2, dev, "Got BOS descriptor %zd bytes, %u capabilities\n",
- result, bos->bNumDeviceCaps);
- d_dump(2, dev, bos, result);
+
result = wusb_dev_bos_grok(usb_dev, wusb_dev, bos, result);
if (result < 0)
goto error_bad_bos;
@@ -1056,8 +888,6 @@ static void wusb_dev_add_ncb(struct usb_device *usb_dev)
if (usb_dev->wusb == 0 || usb_dev->devnum == 1)
return; /* skip non wusb and wusb RHs */
- d_fnstart(3, dev, "(usb_dev %p)\n", usb_dev);
-
wusbhc = wusbhc_get_by_usb_dev(usb_dev);
if (wusbhc == NULL)
goto error_nodev;
@@ -1087,7 +917,6 @@ out:
wusb_dev_put(wusb_dev);
wusbhc_put(wusbhc);
error_nodev:
- d_fnend(3, dev, "(usb_dev %p) = void\n", usb_dev);
return;
wusb_dev_sysfs_rm(wusb_dev);
@@ -1174,11 +1003,10 @@ EXPORT_SYMBOL_GPL(__wusb_dev_get_by_usb_dev);
void wusb_dev_destroy(struct kref *_wusb_dev)
{
- struct wusb_dev *wusb_dev
- = container_of(_wusb_dev, struct wusb_dev, refcnt);
+ struct wusb_dev *wusb_dev = container_of(_wusb_dev, struct wusb_dev, refcnt);
+
list_del_init(&wusb_dev->cack_node);
wusb_dev_free(wusb_dev);
- d_fnend(1, NULL, "%s (wusb_dev %p) = void\n", __func__, wusb_dev);
}
EXPORT_SYMBOL_GPL(wusb_dev_destroy);
@@ -1190,8 +1018,6 @@ EXPORT_SYMBOL_GPL(wusb_dev_destroy);
*/
int wusbhc_devconnect_create(struct wusbhc *wusbhc)
{
- d_fnstart(3, wusbhc->dev, "(wusbhc %p)\n", wusbhc);
-
wusbhc->keep_alive_ie.hdr.bIEIdentifier = WUIE_ID_KEEP_ALIVE;
wusbhc->keep_alive_ie.hdr.bLength = sizeof(wusbhc->keep_alive_ie.hdr);
INIT_DELAYED_WORK(&wusbhc->keep_alive_timer, wusbhc_keep_alive_run);
@@ -1200,7 +1026,6 @@ int wusbhc_devconnect_create(struct wusbhc *wusbhc)
wusbhc->cack_ie.hdr.bLength = sizeof(wusbhc->cack_ie.hdr);
INIT_LIST_HEAD(&wusbhc->cack_list);
- d_fnend(3, wusbhc->dev, "(wusbhc %p) = void\n", wusbhc);
return 0;
}
@@ -1209,8 +1034,7 @@ int wusbhc_devconnect_create(struct wusbhc *wusbhc)
*/
void wusbhc_devconnect_destroy(struct wusbhc *wusbhc)
{
- d_fnstart(3, wusbhc->dev, "(wusbhc %p)\n", wusbhc);
- d_fnend(3, wusbhc->dev, "(wusbhc %p) = void\n", wusbhc);
+ /* no op */
}
/*
@@ -1222,8 +1046,7 @@ void wusbhc_devconnect_destroy(struct wusbhc *wusbhc)
* FIXME: This also enables the keep alives but this is not necessary
* until there are connected and authenticated devices.
*/
-int wusbhc_devconnect_start(struct wusbhc *wusbhc,
- const struct wusb_ckhdid *chid)
+int wusbhc_devconnect_start(struct wusbhc *wusbhc)
{
struct device *dev = wusbhc->dev;
struct wuie_host_info *hi;
@@ -1236,7 +1059,7 @@ int wusbhc_devconnect_start(struct wusbhc *wusbhc,
hi->hdr.bLength = sizeof(*hi);
hi->hdr.bIEIdentifier = WUIE_ID_HOST_INFO;
hi->attributes = cpu_to_le16((wusbhc->rsv->stream << 3) | WUIE_HI_CAP_ALL);
- hi->CHID = *chid;
+ hi->CHID = wusbhc->chid;
result = wusbhc_mmcie_set(wusbhc, 0, 0, &hi->hdr);
if (result < 0) {
dev_err(dev, "Cannot add Host Info MMCIE: %d\n", result);
diff --git a/drivers/usb/wusbcore/mmc.c b/drivers/usb/wusbcore/mmc.c
index cfa77a01ceb..3b52161e6e9 100644
--- a/drivers/usb/wusbcore/mmc.c
+++ b/drivers/usb/wusbcore/mmc.c
@@ -159,15 +159,35 @@ found:
}
EXPORT_SYMBOL_GPL(wusbhc_mmcie_rm);
+static int wusbhc_mmc_start(struct wusbhc *wusbhc)
+{
+ int ret;
+
+ mutex_lock(&wusbhc->mutex);
+ ret = wusbhc->start(wusbhc);
+ if (ret >= 0)
+ wusbhc->active = 1;
+ mutex_unlock(&wusbhc->mutex);
+
+ return ret;
+}
+
+static void wusbhc_mmc_stop(struct wusbhc *wusbhc)
+{
+ mutex_lock(&wusbhc->mutex);
+ wusbhc->active = 0;
+ wusbhc->stop(wusbhc, WUSB_CHANNEL_STOP_DELAY_MS);
+ mutex_unlock(&wusbhc->mutex);
+}
+
/*
* wusbhc_start - start transmitting MMCs and accepting connections
* @wusbhc: the HC to start
- * @chid: the CHID to use for this host
*
* Establishes a cluster reservation, enables device connections, and
* starts MMCs with appropriate DNTS parameters.
*/
-int wusbhc_start(struct wusbhc *wusbhc, const struct wusb_ckhdid *chid)
+int wusbhc_start(struct wusbhc *wusbhc)
{
int result;
struct device *dev = wusbhc->dev;
@@ -181,7 +201,7 @@ int wusbhc_start(struct wusbhc *wusbhc, const struct wusb_ckhdid *chid)
goto error_rsv_establish;
}
- result = wusbhc_devconnect_start(wusbhc, chid);
+ result = wusbhc_devconnect_start(wusbhc);
if (result < 0) {
dev_err(dev, "error enabling device connections: %d\n", result);
goto error_devconnect_start;
@@ -199,12 +219,12 @@ int wusbhc_start(struct wusbhc *wusbhc, const struct wusb_ckhdid *chid)
dev_err(dev, "Cannot set DNTS parameters: %d\n", result);
goto error_set_num_dnts;
}
- result = wusbhc->start(wusbhc);
+ result = wusbhc_mmc_start(wusbhc);
if (result < 0) {
dev_err(dev, "error starting wusbch: %d\n", result);
goto error_wusbhc_start;
}
- wusbhc->active = 1;
+
return 0;
error_wusbhc_start:
@@ -219,76 +239,17 @@ error_rsv_establish:
}
/*
- * Disconnect all from the WUSB Channel
- *
- * Send a Host Disconnect IE in the MMC, wait, don't send it any more
- */
-static int __wusbhc_host_disconnect_ie(struct wusbhc *wusbhc)
-{
- int result = -ENOMEM;
- struct wuie_host_disconnect *host_disconnect_ie;
- might_sleep();
- host_disconnect_ie = kmalloc(sizeof(*host_disconnect_ie), GFP_KERNEL);
- if (host_disconnect_ie == NULL)
- goto error_alloc;
- host_disconnect_ie->hdr.bLength = sizeof(*host_disconnect_ie);
- host_disconnect_ie->hdr.bIEIdentifier = WUIE_ID_HOST_DISCONNECT;
- result = wusbhc_mmcie_set(wusbhc, 0, 0, &host_disconnect_ie->hdr);
- if (result < 0)
- goto error_mmcie_set;
-
- /* WUSB1.0[8.5.3.1 & 7.5.2] */
- msleep(100);
- wusbhc_mmcie_rm(wusbhc, &host_disconnect_ie->hdr);
-error_mmcie_set:
- kfree(host_disconnect_ie);
-error_alloc:
- return result;
-}
-
-/*
* wusbhc_stop - stop transmitting MMCs
* @wusbhc: the HC to stop
*
- * Send a Host Disconnect IE, wait, remove all the MMCs (stop sending MMCs).
- *
- * If we can't allocate a Host Stop IE, screw it, we don't notify the
- * devices we are disconnecting...
+ * Stops the WUSB channel and removes the cluster reservation.
*/
void wusbhc_stop(struct wusbhc *wusbhc)
{
- if (wusbhc->active) {
- wusbhc->active = 0;
- wusbhc->stop(wusbhc);
- wusbhc_sec_stop(wusbhc);
- __wusbhc_host_disconnect_ie(wusbhc);
- wusbhc_devconnect_stop(wusbhc);
- wusbhc_rsv_terminate(wusbhc);
- }
-}
-EXPORT_SYMBOL_GPL(wusbhc_stop);
-
-/*
- * Change the CHID in a WUSB Channel
- *
- * If it is just a new CHID, send a Host Disconnect IE and then change
- * the CHID IE.
- */
-static int __wusbhc_chid_change(struct wusbhc *wusbhc,
- const struct wusb_ckhdid *chid)
-{
- int result = -ENOSYS;
- struct device *dev = wusbhc->dev;
- dev_err(dev, "%s() not implemented yet\n", __func__);
- return result;
-
- BUG_ON(wusbhc->wuie_host_info == NULL);
- __wusbhc_host_disconnect_ie(wusbhc);
- wusbhc->wuie_host_info->CHID = *chid;
- result = wusbhc_mmcie_set(wusbhc, 0, 0, &wusbhc->wuie_host_info->hdr);
- if (result < 0)
- dev_err(dev, "Can't update Host Info WUSB IE: %d\n", result);
- return result;
+ wusbhc_mmc_stop(wusbhc);
+ wusbhc_sec_stop(wusbhc);
+ wusbhc_devconnect_stop(wusbhc);
+ wusbhc_rsv_terminate(wusbhc);
}
/*
@@ -306,16 +267,19 @@ int wusbhc_chid_set(struct wusbhc *wusbhc, const struct wusb_ckhdid *chid)
chid = NULL;
mutex_lock(&wusbhc->mutex);
- if (wusbhc->active) {
- if (chid)
- result = __wusbhc_chid_change(wusbhc, chid);
- else
- wusbhc_stop(wusbhc);
- } else {
- if (chid)
- wusbhc_start(wusbhc, chid);
+ if (chid) {
+ if (wusbhc->active) {
+ mutex_unlock(&wusbhc->mutex);
+ return -EBUSY;
+ }
+ wusbhc->chid = *chid;
}
mutex_unlock(&wusbhc->mutex);
+
+ if (chid)
+ result = uwb_radio_start(&wusbhc->pal);
+ else
+ uwb_radio_stop(&wusbhc->pal);
return result;
}
EXPORT_SYMBOL_GPL(wusbhc_chid_set);
diff --git a/drivers/usb/wusbcore/pal.c b/drivers/usb/wusbcore/pal.c
index 7cc51e9905c..d0b172c5ecc 100644
--- a/drivers/usb/wusbcore/pal.c
+++ b/drivers/usb/wusbcore/pal.c
@@ -18,6 +18,16 @@
*/
#include "wusbhc.h"
+static void wusbhc_channel_changed(struct uwb_pal *pal, int channel)
+{
+ struct wusbhc *wusbhc = container_of(pal, struct wusbhc, pal);
+
+ if (channel < 0)
+ wusbhc_stop(wusbhc);
+ else
+ wusbhc_start(wusbhc);
+}
+
/**
* wusbhc_pal_register - register the WUSB HC as a UWB PAL
* @wusbhc: the WUSB HC
@@ -28,8 +38,10 @@ int wusbhc_pal_register(struct wusbhc *wusbhc)
wusbhc->pal.name = "wusbhc";
wusbhc->pal.device = wusbhc->usb_hcd.self.controller;
+ wusbhc->pal.rc = wusbhc->uwb_rc;
+ wusbhc->pal.channel_changed = wusbhc_channel_changed;
- return uwb_pal_register(wusbhc->uwb_rc, &wusbhc->pal);
+ return uwb_pal_register(&wusbhc->pal);
}
/**
@@ -38,5 +50,5 @@ int wusbhc_pal_register(struct wusbhc *wusbhc)
*/
void wusbhc_pal_unregister(struct wusbhc *wusbhc)
{
- uwb_pal_unregister(wusbhc->uwb_rc, &wusbhc->pal);
+ uwb_pal_unregister(&wusbhc->pal);
}
diff --git a/drivers/usb/wusbcore/reservation.c b/drivers/usb/wusbcore/reservation.c
index fc63e77ded2..4ed97360c04 100644
--- a/drivers/usb/wusbcore/reservation.c
+++ b/drivers/usb/wusbcore/reservation.c
@@ -48,18 +48,19 @@ static void wusbhc_rsv_complete_cb(struct uwb_rsv *rsv)
{
struct wusbhc *wusbhc = rsv->pal_priv;
struct device *dev = wusbhc->dev;
+ struct uwb_mas_bm mas;
char buf[72];
switch (rsv->state) {
case UWB_RSV_STATE_O_ESTABLISHED:
- bitmap_scnprintf(buf, sizeof(buf), rsv->mas.bm, UWB_NUM_MAS);
+ uwb_rsv_get_usable_mas(rsv, &mas);
+ bitmap_scnprintf(buf, sizeof(buf), mas.bm, UWB_NUM_MAS);
dev_dbg(dev, "established reservation: %s\n", buf);
- wusbhc_bwa_set(wusbhc, rsv->stream, &rsv->mas);
+ wusbhc_bwa_set(wusbhc, rsv->stream, &mas);
break;
case UWB_RSV_STATE_NONE:
dev_dbg(dev, "removed reservation\n");
wusbhc_bwa_set(wusbhc, 0, NULL);
- wusbhc->rsv = NULL;
break;
default:
dev_dbg(dev, "unexpected reservation state: %d\n", rsv->state);
@@ -86,13 +87,12 @@ int wusbhc_rsv_establish(struct wusbhc *wusbhc)
bcid.data[0] = wusbhc->cluster_id;
bcid.data[1] = 0;
- rsv->owner = &rc->uwb_dev;
rsv->target.type = UWB_RSV_TARGET_DEVADDR;
rsv->target.devaddr = bcid;
rsv->type = UWB_DRP_TYPE_PRIVATE;
- rsv->max_mas = 256;
- rsv->min_mas = 16; /* one MAS per zone? */
- rsv->sparsity = 16; /* at least one MAS in each zone? */
+ rsv->max_mas = 256; /* try to get as much as possible */
+ rsv->min_mas = 15; /* one MAS per zone */
+ rsv->max_interval = 1; /* max latency is one zone */
rsv->is_multicast = true;
ret = uwb_rsv_establish(rsv);
@@ -105,11 +105,14 @@ int wusbhc_rsv_establish(struct wusbhc *wusbhc)
/**
- * wusbhc_rsv_terminate - terminate any cluster reservation
+ * wusbhc_rsv_terminate - terminate the cluster reservation
* @wusbhc: the WUSB host whose reservation is to be terminated
*/
void wusbhc_rsv_terminate(struct wusbhc *wusbhc)
{
- if (wusbhc->rsv)
+ if (wusbhc->rsv) {
uwb_rsv_terminate(wusbhc->rsv);
+ uwb_rsv_destroy(wusbhc->rsv);
+ wusbhc->rsv = NULL;
+ }
}
diff --git a/drivers/usb/wusbcore/rh.c b/drivers/usb/wusbcore/rh.c
index 267a6432510..95c6fa3bf6b 100644
--- a/drivers/usb/wusbcore/rh.c
+++ b/drivers/usb/wusbcore/rh.c
@@ -71,19 +71,20 @@
*/
#include "wusbhc.h"
-#define D_LOCAL 0
-#include <linux/uwb/debug.h>
-
/*
* Reset a fake port
*
- * This can be called to reset a port from any other state or to reset
- * it when connecting. In Wireless USB they are different; when doing
- * a new connect that involves going over the authentication. When
- * just reseting, its a different story.
+ * Using a Reset Device IE is too heavyweight as it causes the device
+ * to enter the UnConnected state and leave the cluster, this can mean
+ * that when the device reconnects it is connected to a different fake
+ * port.
+ *
+ * Instead, reset authenticated devices with a SetAddress(0), followed
+ * by a SetAddresss(AuthAddr).
*
- * The Linux USB stack resets a port twice before it considers it
- * enabled, so we have to detect and ignore that.
+ * For unauthenticated devices just pretend to reset but do nothing.
+ * If the device initialization continues to fail it will eventually
+ * time out after TrustTimeout and enter the UnConnected state.
*
* @wusbhc is assumed referenced and @wusbhc->mutex unlocked.
*
@@ -97,20 +98,20 @@ static int wusbhc_rh_port_reset(struct wusbhc *wusbhc, u8 port_idx)
{
int result = 0;
struct wusb_port *port = wusb_port_by_idx(wusbhc, port_idx);
+ struct wusb_dev *wusb_dev = port->wusb_dev;
- d_fnstart(3, wusbhc->dev, "(wusbhc %p port_idx %u)\n",
- wusbhc, port_idx);
- if (port->reset_count == 0) {
- wusbhc_devconnect_auth(wusbhc, port_idx);
- port->reset_count++;
- } else if (port->reset_count == 1)
- /* see header */
- d_printf(2, wusbhc->dev, "Ignoring second reset on port_idx "
- "%u\n", port_idx);
+ port->status |= USB_PORT_STAT_RESET;
+ port->change |= USB_PORT_STAT_C_RESET;
+
+ if (wusb_dev->addr & WUSB_DEV_ADDR_UNAUTH)
+ result = 0;
else
- result = wusbhc_dev_reset(wusbhc, port_idx);
- d_fnend(3, wusbhc->dev, "(wusbhc %p port_idx %u) = %d\n",
- wusbhc, port_idx, result);
+ result = wusb_dev_update_address(wusbhc, wusb_dev);
+
+ port->status &= ~USB_PORT_STAT_RESET;
+ port->status |= USB_PORT_STAT_ENABLE;
+ port->change |= USB_PORT_STAT_C_RESET | USB_PORT_STAT_C_ENABLE;
+
return result;
}
@@ -138,7 +139,6 @@ int wusbhc_rh_status_data(struct usb_hcd *usb_hcd, char *_buf)
size_t cnt, size;
unsigned long *buf = (unsigned long *) _buf;
- d_fnstart(1, wusbhc->dev, "(wusbhc %p)\n", wusbhc);
/* WE DON'T LOCK, see comment */
size = wusbhc->ports_max + 1 /* hub bit */;
size = (size + 8 - 1) / 8; /* round to bytes */
@@ -147,8 +147,6 @@ int wusbhc_rh_status_data(struct usb_hcd *usb_hcd, char *_buf)
set_bit(cnt + 1, buf);
else
clear_bit(cnt + 1, buf);
- d_fnend(1, wusbhc->dev, "(wusbhc %p) %u, buffer:\n", wusbhc, (int)size);
- d_dump(1, wusbhc->dev, _buf, size);
return size;
}
EXPORT_SYMBOL_GPL(wusbhc_rh_status_data);
@@ -197,9 +195,7 @@ static int wusbhc_rh_get_hub_descr(struct wusbhc *wusbhc, u16 wValue,
static int wusbhc_rh_clear_hub_feat(struct wusbhc *wusbhc, u16 feature)
{
int result;
- struct device *dev = wusbhc->dev;
- d_fnstart(4, dev, "(%p, feature 0x%04u)\n", wusbhc, feature);
switch (feature) {
case C_HUB_LOCAL_POWER:
/* FIXME: maybe plug bit 0 to the power input status,
@@ -211,7 +207,6 @@ static int wusbhc_rh_clear_hub_feat(struct wusbhc *wusbhc, u16 feature)
default:
result = -EPIPE;
}
- d_fnend(4, dev, "(%p, feature 0x%04u), %d\n", wusbhc, feature, result);
return result;
}
@@ -238,14 +233,10 @@ static int wusbhc_rh_get_hub_status(struct wusbhc *wusbhc, u32 *buf,
static int wusbhc_rh_set_port_feat(struct wusbhc *wusbhc, u16 feature,
u8 selector, u8 port_idx)
{
- int result = -EINVAL;
struct device *dev = wusbhc->dev;
- d_fnstart(4, dev, "(feat 0x%04u, selector 0x%u, port_idx %d)\n",
- feature, selector, port_idx);
-
if (port_idx > wusbhc->ports_max)
- goto error;
+ return -EINVAL;
switch (feature) {
/* According to USB2.0[11.24.2.13]p2, these features
@@ -255,35 +246,27 @@ static int wusbhc_rh_set_port_feat(struct wusbhc *wusbhc, u16 feature,
case USB_PORT_FEAT_C_SUSPEND:
case USB_PORT_FEAT_C_CONNECTION:
case USB_PORT_FEAT_C_RESET:
- result = 0;
- break;
-
+ return 0;
case USB_PORT_FEAT_POWER:
/* No such thing, but we fake it works */
mutex_lock(&wusbhc->mutex);
wusb_port_by_idx(wusbhc, port_idx)->status |= USB_PORT_STAT_POWER;
mutex_unlock(&wusbhc->mutex);
- result = 0;
- break;
+ return 0;
case USB_PORT_FEAT_RESET:
- result = wusbhc_rh_port_reset(wusbhc, port_idx);
- break;
+ return wusbhc_rh_port_reset(wusbhc, port_idx);
case USB_PORT_FEAT_ENABLE:
case USB_PORT_FEAT_SUSPEND:
dev_err(dev, "(port_idx %d) set feat %d/%d UNIMPLEMENTED\n",
port_idx, feature, selector);
- result = -ENOSYS;
- break;
+ return -ENOSYS;
default:
dev_err(dev, "(port_idx %d) set feat %d/%d UNKNOWN\n",
port_idx, feature, selector);
- result = -EPIPE;
- break;
+ return -EPIPE;
}
-error:
- d_fnend(4, dev, "(feat 0x%04u, selector 0x%u, port_idx %d) = %d\n",
- feature, selector, port_idx, result);
- return result;
+
+ return 0;
}
/*
@@ -294,17 +277,13 @@ error:
static int wusbhc_rh_clear_port_feat(struct wusbhc *wusbhc, u16 feature,
u8 selector, u8 port_idx)
{
- int result = -EINVAL;
+ int result = 0;
struct device *dev = wusbhc->dev;
- d_fnstart(4, dev, "(wusbhc %p feat 0x%04x selector %d port_idx %d)\n",
- wusbhc, feature, selector, port_idx);
-
if (port_idx > wusbhc->ports_max)
- goto error;
+ return -EINVAL;
mutex_lock(&wusbhc->mutex);
- result = 0;
switch (feature) {
case USB_PORT_FEAT_POWER: /* fake port always on */
/* According to USB2.0[11.24.2.7.1.4], no need to implement? */
@@ -324,10 +303,8 @@ static int wusbhc_rh_clear_port_feat(struct wusbhc *wusbhc, u16 feature,
break;
case USB_PORT_FEAT_SUSPEND:
case USB_PORT_FEAT_C_SUSPEND:
- case 0xffff: /* ??? FIXME */
dev_err(dev, "(port_idx %d) Clear feat %d/%d UNIMPLEMENTED\n",
port_idx, feature, selector);
- /* dump_stack(); */
result = -ENOSYS;
break;
default:
@@ -337,9 +314,7 @@ static int wusbhc_rh_clear_port_feat(struct wusbhc *wusbhc, u16 feature,
break;
}
mutex_unlock(&wusbhc->mutex);
-error:
- d_fnend(4, dev, "(wusbhc %p feat 0x%04x selector %d port_idx %d) = "
- "%d\n", wusbhc, feature, selector, port_idx, result);
+
return result;
}
@@ -351,22 +326,17 @@ error:
static int wusbhc_rh_get_port_status(struct wusbhc *wusbhc, u16 port_idx,
u32 *_buf, u16 wLength)
{
- int result = -EINVAL;
u16 *buf = (u16 *) _buf;
- d_fnstart(1, wusbhc->dev, "(wusbhc %p port_idx %u wLength %u)\n",
- wusbhc, port_idx, wLength);
if (port_idx > wusbhc->ports_max)
- goto error;
+ return -EINVAL;
+
mutex_lock(&wusbhc->mutex);
buf[0] = cpu_to_le16(wusb_port_by_idx(wusbhc, port_idx)->status);
buf[1] = cpu_to_le16(wusb_port_by_idx(wusbhc, port_idx)->change);
- result = 0;
mutex_unlock(&wusbhc->mutex);
-error:
- d_fnend(1, wusbhc->dev, "(wusbhc %p) = %d, buffer:\n", wusbhc, result);
- d_dump(1, wusbhc->dev, _buf, wLength);
- return result;
+
+ return 0;
}
/*
diff --git a/drivers/usb/wusbcore/security.c b/drivers/usb/wusbcore/security.c
index a101cad6a8d..f4aa28eca70 100644
--- a/drivers/usb/wusbcore/security.c
+++ b/drivers/usb/wusbcore/security.c
@@ -27,19 +27,6 @@
#include <linux/random.h>
#include "wusbhc.h"
-/*
- * DEBUG & SECURITY WARNING!!!!
- *
- * If you enable this past 1, the debug code will weaken the
- * cryptographic safety of the system (on purpose, for debugging).
- *
- * Weaken means:
- * we print secret keys and intermediate values all the way,
- */
-#undef D_LOCAL
-#define D_LOCAL 2
-#include <linux/uwb/debug.h>
-
static void wusbhc_set_gtk_callback(struct urb *urb);
static void wusbhc_gtk_rekey_done_work(struct work_struct *work);
@@ -219,7 +206,6 @@ int wusb_dev_sec_add(struct wusbhc *wusbhc,
const void *itr, *top;
char buf[64];
- d_fnstart(3, dev, "(usb_dev %p, wusb_dev %p)\n", usb_dev, wusb_dev);
result = usb_get_descriptor(usb_dev, USB_DT_SECURITY,
0, &secd, sizeof(secd));
if (result < sizeof(secd)) {
@@ -228,8 +214,6 @@ int wusb_dev_sec_add(struct wusbhc *wusbhc,
goto error_secd;
}
secd_size = le16_to_cpu(secd.wTotalLength);
- d_printf(5, dev, "got %d bytes of sec descriptor, total is %d\n",
- result, secd_size);
secd_buf = kmalloc(secd_size, GFP_KERNEL);
if (secd_buf == NULL) {
dev_err(dev, "Can't allocate space for security descriptors\n");
@@ -242,7 +226,6 @@ int wusb_dev_sec_add(struct wusbhc *wusbhc,
"not enough data: %d\n", result);
goto error_secd_all;
}
- d_printf(5, dev, "got %d bytes of sec descriptors\n", result);
bytes = 0;
itr = secd_buf + sizeof(secd);
top = secd_buf + result;
@@ -279,14 +262,12 @@ int wusb_dev_sec_add(struct wusbhc *wusbhc,
goto error_no_ccm1;
}
wusb_dev->ccm1_etd = *ccm1_etd;
- dev_info(dev, "supported encryption: %s; using %s (0x%02x/%02x)\n",
- buf, wusb_et_name(ccm1_etd->bEncryptionType),
- ccm1_etd->bEncryptionValue, ccm1_etd->bAuthKeyIndex);
+ dev_dbg(dev, "supported encryption: %s; using %s (0x%02x/%02x)\n",
+ buf, wusb_et_name(ccm1_etd->bEncryptionType),
+ ccm1_etd->bEncryptionValue, ccm1_etd->bAuthKeyIndex);
result = 0;
kfree(secd_buf);
out:
- d_fnend(3, dev, "(usb_dev %p, wusb_dev %p) = %d\n",
- usb_dev, wusb_dev, result);
return result;
@@ -303,32 +284,6 @@ void wusb_dev_sec_rm(struct wusb_dev *wusb_dev)
/* Nothing so far */
}
-static void hs_printk(unsigned level, struct device *dev,
- struct usb_handshake *hs)
-{
- d_printf(level, dev,
- " bMessageNumber: %u\n"
- " bStatus: %u\n"
- " tTKID: %02x %02x %02x\n"
- " CDID: %02x %02x %02x %02x %02x %02x %02x %02x\n"
- " %02x %02x %02x %02x %02x %02x %02x %02x\n"
- " nonce: %02x %02x %02x %02x %02x %02x %02x %02x\n"
- " %02x %02x %02x %02x %02x %02x %02x %02x\n"
- " MIC: %02x %02x %02x %02x %02x %02x %02x %02x\n",
- hs->bMessageNumber, hs->bStatus,
- hs->tTKID[2], hs->tTKID[1], hs->tTKID[0],
- hs->CDID[0], hs->CDID[1], hs->CDID[2], hs->CDID[3],
- hs->CDID[4], hs->CDID[5], hs->CDID[6], hs->CDID[7],
- hs->CDID[8], hs->CDID[9], hs->CDID[10], hs->CDID[11],
- hs->CDID[12], hs->CDID[13], hs->CDID[14], hs->CDID[15],
- hs->nonce[0], hs->nonce[1], hs->nonce[2], hs->nonce[3],
- hs->nonce[4], hs->nonce[5], hs->nonce[6], hs->nonce[7],
- hs->nonce[8], hs->nonce[9], hs->nonce[10], hs->nonce[11],
- hs->nonce[12], hs->nonce[13], hs->nonce[14], hs->nonce[15],
- hs->MIC[0], hs->MIC[1], hs->MIC[2], hs->MIC[3],
- hs->MIC[4], hs->MIC[5], hs->MIC[6], hs->MIC[7]);
-}
-
/**
* Update the address of an unauthenticated WUSB device
*
@@ -338,8 +293,7 @@ static void hs_printk(unsigned level, struct device *dev,
* Before the device's address (as known by it) was usb_dev->devnum |
* 0x80 (unauthenticated address). With this we update it to usb_dev->devnum.
*/
-static int wusb_dev_update_address(struct wusbhc *wusbhc,
- struct wusb_dev *wusb_dev)
+int wusb_dev_update_address(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev)
{
int result = -ENOMEM;
struct usb_device *usb_dev = wusb_dev->usb_dev;
@@ -422,9 +376,6 @@ int wusb_dev_4way_handshake(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev,
get_random_bytes(&hs[0].nonce, sizeof(hs[0].nonce));
memset(hs[0].MIC, 0, sizeof(hs[0].MIC)); /* Per WUSB1.0[T7-22] */
- d_printf(1, dev, "I: sending hs1:\n");
- hs_printk(2, dev, &hs[0]);
-
result = usb_control_msg(
usb_dev, usb_sndctrlpipe(usb_dev, 0),
USB_REQ_SET_HANDSHAKE,
@@ -445,8 +396,6 @@ int wusb_dev_4way_handshake(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev,
dev_err(dev, "Handshake2: request failed: %d\n", result);
goto error_hs2;
}
- d_printf(1, dev, "got HS2:\n");
- hs_printk(2, dev, &hs[1]);
result = -EINVAL;
if (hs[1].bMessageNumber != 2) {
@@ -487,10 +436,6 @@ int wusb_dev_4way_handshake(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev,
result);
goto error_hs2;
}
- d_printf(2, dev, "KCK:\n");
- d_dump(2, dev, keydvt_out.kck, sizeof(keydvt_out.kck));
- d_printf(2, dev, "PTK:\n");
- d_dump(2, dev, keydvt_out.ptk, sizeof(keydvt_out.ptk));
/* Compute MIC and verify it */
result = wusb_oob_mic(mic, keydvt_out.kck, &ccm_n, &hs[1]);
@@ -500,8 +445,6 @@ int wusb_dev_4way_handshake(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev,
goto error_hs2;
}
- d_printf(2, dev, "MIC:\n");
- d_dump(2, dev, mic, sizeof(mic));
if (memcmp(hs[1].MIC, mic, sizeof(hs[1].MIC))) {
dev_err(dev, "Handshake2 failed: MIC mismatch\n");
goto error_hs2;
@@ -521,9 +464,6 @@ int wusb_dev_4way_handshake(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev,
goto error_hs2;
}
- d_printf(1, dev, "I: sending hs3:\n");
- hs_printk(2, dev, &hs[2]);
-
result = usb_control_msg(
usb_dev, usb_sndctrlpipe(usb_dev, 0),
USB_REQ_SET_HANDSHAKE,
@@ -534,14 +474,11 @@ int wusb_dev_4way_handshake(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev,
goto error_hs3;
}
- d_printf(1, dev, "I: turning on encryption on host for device\n");
- d_dump(2, dev, keydvt_out.ptk, sizeof(keydvt_out.ptk));
result = wusbhc->set_ptk(wusbhc, wusb_dev->port_idx, tkid,
keydvt_out.ptk, sizeof(keydvt_out.ptk));
if (result < 0)
goto error_wusbhc_set_ptk;
- d_printf(1, dev, "I: setting a GTK\n");
result = wusb_dev_set_gtk(wusbhc, wusb_dev);
if (result < 0) {
dev_err(dev, "Set GTK for device: request failed: %d\n",
@@ -551,13 +488,12 @@ int wusb_dev_4way_handshake(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev,
/* Update the device's address from unauth to auth */
if (usb_dev->authenticated == 0) {
- d_printf(1, dev, "I: updating addres to auth from non-auth\n");
result = wusb_dev_update_address(wusbhc, wusb_dev);
if (result < 0)
goto error_dev_update_address;
}
result = 0;
- d_printf(1, dev, "I: 4way handshke done, device authenticated\n");
+ dev_info(dev, "device authenticated\n");
error_dev_update_address:
error_wusbhc_set_gtk:
@@ -570,10 +506,8 @@ error_hs1:
memset(&keydvt_in, 0, sizeof(keydvt_in));
memset(&ccm_n, 0, sizeof(ccm_n));
memset(mic, 0, sizeof(mic));
- if (result < 0) {
- /* error path */
+ if (result < 0)
wusb_dev_set_encryption(usb_dev, 0);
- }
error_dev_set_encryption:
kfree(hs);
error_kzalloc:
diff --git a/drivers/usb/wusbcore/wa-nep.c b/drivers/usb/wusbcore/wa-nep.c
index 3f542990c73..17d2626038b 100644
--- a/drivers/usb/wusbcore/wa-nep.c
+++ b/drivers/usb/wusbcore/wa-nep.c
@@ -51,7 +51,7 @@
*/
#include <linux/workqueue.h>
#include <linux/ctype.h>
-#include <linux/uwb/debug.h>
+
#include "wa-hc.h"
#include "wusbhc.h"
@@ -139,13 +139,10 @@ static void wa_notif_dispatch(struct work_struct *ws)
/* FIXME: unimplemented WA NOTIFs */
/* fallthru */
default:
- if (printk_ratelimit()) {
- dev_err(dev, "HWA: unknown notification 0x%x, "
- "%zu bytes; discarding\n",
- notif_hdr->bNotifyType,
- (size_t)notif_hdr->bLength);
- dump_bytes(dev, notif_hdr, 16);
- }
+ dev_err(dev, "HWA: unknown notification 0x%x, "
+ "%zu bytes; discarding\n",
+ notif_hdr->bNotifyType,
+ (size_t)notif_hdr->bLength);
break;
}
}
@@ -160,12 +157,9 @@ out:
* discard the data, as this should not happen.
*/
exhausted_buffer:
- if (!printk_ratelimit())
- goto out;
dev_warn(dev, "HWA: device sent short notification, "
"%d bytes missing; discarding %d bytes.\n",
missing, (int)size);
- dump_bytes(dev, itr, size);
goto out;
}
diff --git a/drivers/usb/wusbcore/wa-rpipe.c b/drivers/usb/wusbcore/wa-rpipe.c
index f18e4aae66e..7369655f69c 100644
--- a/drivers/usb/wusbcore/wa-rpipe.c
+++ b/drivers/usb/wusbcore/wa-rpipe.c
@@ -60,13 +60,10 @@
#include <linux/init.h>
#include <asm/atomic.h>
#include <linux/bitmap.h>
+
#include "wusbhc.h"
#include "wa-hc.h"
-#define D_LOCAL 0
-#include <linux/uwb/debug.h>
-
-
static int __rpipe_get_descr(struct wahc *wa,
struct usb_rpipe_descriptor *descr, u16 index)
{
@@ -76,7 +73,6 @@ static int __rpipe_get_descr(struct wahc *wa,
/* Get the RPIPE descriptor -- we cannot use the usb_get_descriptor()
* function because the arguments are different.
*/
- d_printf(1, dev, "rpipe %u: get descr\n", index);
result = usb_control_msg(
wa->usb_dev, usb_rcvctrlpipe(wa->usb_dev, 0),
USB_REQ_GET_DESCRIPTOR,
@@ -115,7 +111,6 @@ static int __rpipe_set_descr(struct wahc *wa,
/* we cannot use the usb_get_descriptor() function because the
* arguments are different.
*/
- d_printf(1, dev, "rpipe %u: set descr\n", index);
result = usb_control_msg(
wa->usb_dev, usb_sndctrlpipe(wa->usb_dev, 0),
USB_REQ_SET_DESCRIPTOR,
@@ -174,13 +169,12 @@ void rpipe_destroy(struct kref *_rpipe)
{
struct wa_rpipe *rpipe = container_of(_rpipe, struct wa_rpipe, refcnt);
u8 index = le16_to_cpu(rpipe->descr.wRPipeIndex);
- d_fnstart(1, NULL, "(rpipe %p %u)\n", rpipe, index);
+
if (rpipe->ep)
rpipe->ep->hcpriv = NULL;
rpipe_put_idx(rpipe->wa, index);
wa_put(rpipe->wa);
kfree(rpipe);
- d_fnend(1, NULL, "(rpipe %p %u)\n", rpipe, index);
}
EXPORT_SYMBOL_GPL(rpipe_destroy);
@@ -202,7 +196,6 @@ static int rpipe_get_idle(struct wa_rpipe **prpipe, struct wahc *wa, u8 crs,
struct wa_rpipe *rpipe;
struct device *dev = &wa->usb_iface->dev;
- d_fnstart(3, dev, "(wa %p crs 0x%02x)\n", wa, crs);
rpipe = kzalloc(sizeof(*rpipe), gfp);
if (rpipe == NULL)
return -ENOMEM;
@@ -223,14 +216,12 @@ static int rpipe_get_idle(struct wa_rpipe **prpipe, struct wahc *wa, u8 crs,
}
*prpipe = NULL;
kfree(rpipe);
- d_fnend(3, dev, "(wa %p crs 0x%02x) = -ENXIO\n", wa, crs);
return -ENXIO;
found:
set_bit(rpipe_idx, wa->rpipe_bm);
rpipe->wa = wa_get(wa);
*prpipe = rpipe;
- d_fnstart(3, dev, "(wa %p crs 0x%02x) = 0\n", wa, crs);
return 0;
}
@@ -239,7 +230,6 @@ static int __rpipe_reset(struct wahc *wa, unsigned index)
int result;
struct device *dev = &wa->usb_iface->dev;
- d_printf(1, dev, "rpipe %u: reset\n", index);
result = usb_control_msg(
wa->usb_dev, usb_sndctrlpipe(wa->usb_dev, 0),
USB_REQ_RPIPE_RESET,
@@ -276,7 +266,6 @@ static struct usb_wireless_ep_comp_descriptor *rpipe_epc_find(
struct usb_descriptor_header *hdr;
struct usb_wireless_ep_comp_descriptor *epcd;
- d_fnstart(3, dev, "(ep %p)\n", ep);
if (ep->desc.bEndpointAddress == 0) {
epcd = &epc0;
goto out;
@@ -310,7 +299,6 @@ static struct usb_wireless_ep_comp_descriptor *rpipe_epc_find(
itr_size -= hdr->bDescriptorType;
}
out:
- d_fnend(3, dev, "(ep %p) = %p\n", ep, epcd);
return epcd;
}
@@ -329,8 +317,6 @@ static int rpipe_aim(struct wa_rpipe *rpipe, struct wahc *wa,
struct usb_wireless_ep_comp_descriptor *epcd;
u8 unauth;
- d_fnstart(3, dev, "(rpipe %p wa %p ep %p, urb %p)\n",
- rpipe, wa, ep, urb);
epcd = rpipe_epc_find(dev, ep);
if (epcd == NULL) {
dev_err(dev, "ep 0x%02x: can't find companion descriptor\n",
@@ -350,10 +336,12 @@ static int rpipe_aim(struct wa_rpipe *rpipe, struct wahc *wa,
/* FIXME: use maximum speed as supported or recommended by device */
rpipe->descr.bSpeed = usb_pipeendpoint(urb->pipe) == 0 ?
UWB_PHY_RATE_53 : UWB_PHY_RATE_200;
- d_printf(2, dev, "addr %u (0x%02x) rpipe #%u ep# %u speed %d\n",
- urb->dev->devnum, urb->dev->devnum | unauth,
- le16_to_cpu(rpipe->descr.wRPipeIndex),
- usb_pipeendpoint(urb->pipe), rpipe->descr.bSpeed);
+
+ dev_dbg(dev, "addr %u (0x%02x) rpipe #%u ep# %u speed %d\n",
+ urb->dev->devnum, urb->dev->devnum | unauth,
+ le16_to_cpu(rpipe->descr.wRPipeIndex),
+ usb_pipeendpoint(urb->pipe), rpipe->descr.bSpeed);
+
/* see security.c:wusb_update_address() */
if (unlikely(urb->dev->devnum == 0x80))
rpipe->descr.bDeviceAddress = 0;
@@ -384,8 +372,6 @@ static int rpipe_aim(struct wa_rpipe *rpipe, struct wahc *wa,
}
result = 0;
error:
- d_fnend(3, dev, "(rpipe %p wa %p ep %p urb %p) = %d\n",
- rpipe, wa, ep, urb, result);
return result;
}
@@ -405,8 +391,6 @@ static int rpipe_check_aim(const struct wa_rpipe *rpipe, const struct wahc *wa,
u8 unauth = (usb_dev->wusb && !usb_dev->authenticated) ? 0x80 : 0;
u8 portnum = wusb_port_no_to_idx(urb->dev->portnum);
- d_fnstart(3, dev, "(rpipe %p wa %p ep %p, urb %p)\n",
- rpipe, wa, ep, urb);
#define AIM_CHECK(rdf, val, text) \
do { \
if (rpipe->descr.rdf != (val)) { \
@@ -451,8 +435,6 @@ int rpipe_get_by_ep(struct wahc *wa, struct usb_host_endpoint *ep,
struct wa_rpipe *rpipe;
u8 eptype;
- d_fnstart(3, dev, "(wa %p ep %p urb %p gfp 0x%08x)\n", wa, ep, urb,
- gfp);
mutex_lock(&wa->rpipe_mutex);
rpipe = ep->hcpriv;
if (rpipe != NULL) {
@@ -462,9 +444,9 @@ int rpipe_get_by_ep(struct wahc *wa, struct usb_host_endpoint *ep,
goto error;
}
__rpipe_get(rpipe);
- d_printf(2, dev, "ep 0x%02x: reusing rpipe %u\n",
- ep->desc.bEndpointAddress,
- le16_to_cpu(rpipe->descr.wRPipeIndex));
+ dev_dbg(dev, "ep 0x%02x: reusing rpipe %u\n",
+ ep->desc.bEndpointAddress,
+ le16_to_cpu(rpipe->descr.wRPipeIndex));
} else {
/* hmm, assign idle rpipe, aim it */
result = -ENOBUFS;
@@ -480,14 +462,12 @@ int rpipe_get_by_ep(struct wahc *wa, struct usb_host_endpoint *ep,
ep->hcpriv = rpipe;
rpipe->ep = ep;
__rpipe_get(rpipe); /* for caching into ep->hcpriv */
- d_printf(2, dev, "ep 0x%02x: using rpipe %u\n",
- ep->desc.bEndpointAddress,
- le16_to_cpu(rpipe->descr.wRPipeIndex));
+ dev_dbg(dev, "ep 0x%02x: using rpipe %u\n",
+ ep->desc.bEndpointAddress,
+ le16_to_cpu(rpipe->descr.wRPipeIndex));
}
- d_dump(4, dev, &rpipe->descr, sizeof(rpipe->descr));
error:
mutex_unlock(&wa->rpipe_mutex);
- d_fnend(3, dev, "(wa %p ep %p urb %p gfp 0x%08x)\n", wa, ep, urb, gfp);
return result;
}
@@ -507,7 +487,7 @@ int wa_rpipes_create(struct wahc *wa)
void wa_rpipes_destroy(struct wahc *wa)
{
struct device *dev = &wa->usb_iface->dev;
- d_fnstart(3, dev, "(wa %p)\n", wa);
+
if (!bitmap_empty(wa->rpipe_bm, wa->rpipes)) {
char buf[256];
WARN_ON(1);
@@ -515,7 +495,6 @@ void wa_rpipes_destroy(struct wahc *wa)
dev_err(dev, "BUG: pipes not released on exit: %s\n", buf);
}
kfree(wa->rpipe_bm);
- d_fnend(3, dev, "(wa %p)\n", wa);
}
/*
@@ -530,33 +509,20 @@ void wa_rpipes_destroy(struct wahc *wa)
*/
void rpipe_ep_disable(struct wahc *wa, struct usb_host_endpoint *ep)
{
- struct device *dev = &wa->usb_iface->dev;
struct wa_rpipe *rpipe;
- d_fnstart(2, dev, "(wa %p ep %p)\n", wa, ep);
+
mutex_lock(&wa->rpipe_mutex);
rpipe = ep->hcpriv;
if (rpipe != NULL) {
- unsigned rc = atomic_read(&rpipe->refcnt.refcount);
- int result;
u16 index = le16_to_cpu(rpipe->descr.wRPipeIndex);
- if (rc != 1)
- d_printf(1, dev, "(wa %p ep %p) rpipe %p refcnt %u\n",
- wa, ep, rpipe, rc);
-
- d_printf(1, dev, "rpipe %u: abort\n", index);
- result = usb_control_msg(
+ usb_control_msg(
wa->usb_dev, usb_rcvctrlpipe(wa->usb_dev, 0),
USB_REQ_RPIPE_ABORT,
USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_RPIPE,
0, index, NULL, 0, 1000 /* FIXME: arbitrary */);
- if (result < 0 && result != -ENODEV /* dev is gone */)
- d_printf(1, dev, "(wa %p rpipe %u): abort failed: %d\n",
- wa, index, result);
rpipe_put(rpipe);
}
mutex_unlock(&wa->rpipe_mutex);
- d_fnend(2, dev, "(wa %p ep %p)\n", wa, ep);
- return;
}
EXPORT_SYMBOL_GPL(rpipe_ep_disable);
diff --git a/drivers/usb/wusbcore/wa-xfer.c b/drivers/usb/wusbcore/wa-xfer.c
index c038635d1c6..238a96aee3a 100644
--- a/drivers/usb/wusbcore/wa-xfer.c
+++ b/drivers/usb/wusbcore/wa-xfer.c
@@ -82,13 +82,10 @@
#include <linux/init.h>
#include <linux/spinlock.h>
#include <linux/hash.h>
+
#include "wa-hc.h"
#include "wusbhc.h"
-#undef D_LOCAL
-#define D_LOCAL 0 /* 0 disabled, > 0 different levels... */
-#include <linux/uwb/debug.h>
-
enum {
WA_SEGS_MAX = 255,
};
@@ -180,7 +177,6 @@ static void wa_xfer_destroy(struct kref *_xfer)
}
}
kfree(xfer);
- d_printf(2, NULL, "xfer %p destroyed\n", xfer);
}
static void wa_xfer_get(struct wa_xfer *xfer)
@@ -190,10 +186,7 @@ static void wa_xfer_get(struct wa_xfer *xfer)
static void wa_xfer_put(struct wa_xfer *xfer)
{
- d_fnstart(3, NULL, "(xfer %p) -- ref count bef put %d\n",
- xfer, atomic_read(&xfer->refcnt.refcount));
kref_put(&xfer->refcnt, wa_xfer_destroy);
- d_fnend(3, NULL, "(xfer %p) = void\n", xfer);
}
/*
@@ -209,7 +202,7 @@ static void wa_xfer_put(struct wa_xfer *xfer)
static void wa_xfer_giveback(struct wa_xfer *xfer)
{
unsigned long flags;
- d_fnstart(3, NULL, "(xfer %p)\n", xfer);
+
spin_lock_irqsave(&xfer->wa->xfer_list_lock, flags);
list_del_init(&xfer->list_node);
spin_unlock_irqrestore(&xfer->wa->xfer_list_lock, flags);
@@ -217,7 +210,6 @@ static void wa_xfer_giveback(struct wa_xfer *xfer)
wusbhc_giveback_urb(xfer->wa->wusb, xfer->urb, xfer->result);
wa_put(xfer->wa);
wa_xfer_put(xfer);
- d_fnend(3, NULL, "(xfer %p) = void\n", xfer);
}
/*
@@ -227,13 +219,10 @@ static void wa_xfer_giveback(struct wa_xfer *xfer)
*/
static void wa_xfer_completion(struct wa_xfer *xfer)
{
- d_fnstart(3, NULL, "(xfer %p)\n", xfer);
if (xfer->wusb_dev)
wusb_dev_put(xfer->wusb_dev);
rpipe_put(xfer->ep->hcpriv);
wa_xfer_giveback(xfer);
- d_fnend(3, NULL, "(xfer %p) = void\n", xfer);
- return;
}
/*
@@ -243,12 +232,12 @@ static void wa_xfer_completion(struct wa_xfer *xfer)
*/
static unsigned __wa_xfer_is_done(struct wa_xfer *xfer)
{
+ struct device *dev = &xfer->wa->usb_iface->dev;
unsigned result, cnt;
struct wa_seg *seg;
struct urb *urb = xfer->urb;
unsigned found_short = 0;
- d_fnstart(3, NULL, "(xfer %p)\n", xfer);
result = xfer->segs_done == xfer->segs_submitted;
if (result == 0)
goto out;
@@ -258,10 +247,8 @@ static unsigned __wa_xfer_is_done(struct wa_xfer *xfer)
switch (seg->status) {
case WA_SEG_DONE:
if (found_short && seg->result > 0) {
- if (printk_ratelimit())
- printk(KERN_ERR "xfer %p#%u: bad short "
- "segments (%zu)\n", xfer, cnt,
- seg->result);
+ dev_dbg(dev, "xfer %p#%u: bad short segments (%zu)\n",
+ xfer, cnt, seg->result);
urb->status = -EINVAL;
goto out;
}
@@ -269,36 +256,30 @@ static unsigned __wa_xfer_is_done(struct wa_xfer *xfer)
if (seg->result < xfer->seg_size
&& cnt != xfer->segs-1)
found_short = 1;
- d_printf(2, NULL, "xfer %p#%u: DONE short %d "
- "result %zu urb->actual_length %d\n",
- xfer, seg->index, found_short, seg->result,
- urb->actual_length);
+ dev_dbg(dev, "xfer %p#%u: DONE short %d "
+ "result %zu urb->actual_length %d\n",
+ xfer, seg->index, found_short, seg->result,
+ urb->actual_length);
break;
case WA_SEG_ERROR:
xfer->result = seg->result;
- d_printf(2, NULL, "xfer %p#%u: ERROR result %zu\n",
- xfer, seg->index, seg->result);
+ dev_dbg(dev, "xfer %p#%u: ERROR result %zu\n",
+ xfer, seg->index, seg->result);
goto out;
case WA_SEG_ABORTED:
- WARN_ON(urb->status != -ECONNRESET
- && urb->status != -ENOENT);
- d_printf(2, NULL, "xfer %p#%u ABORTED: result %d\n",
- xfer, seg->index, urb->status);
+ dev_dbg(dev, "xfer %p#%u ABORTED: result %d\n",
+ xfer, seg->index, urb->status);
xfer->result = urb->status;
goto out;
default:
- /* if (printk_ratelimit()) */
- printk(KERN_ERR "xfer %p#%u: "
- "is_done bad state %d\n",
- xfer, cnt, seg->status);
+ dev_warn(dev, "xfer %p#%u: is_done bad state %d\n",
+ xfer, cnt, seg->status);
xfer->result = -EINVAL;
- WARN_ON(1);
goto out;
}
}
xfer->result = 0;
out:
- d_fnend(3, NULL, "(xfer %p) = void\n", xfer);
return result;
}
@@ -424,8 +405,6 @@ static ssize_t __wa_xfer_setup_sizes(struct wa_xfer *xfer,
struct urb *urb = xfer->urb;
struct wa_rpipe *rpipe = xfer->ep->hcpriv;
- d_fnstart(3, dev, "(xfer %p [rpipe %p] urb %p)\n",
- xfer, rpipe, urb);
switch (rpipe->descr.bmAttribute & 0x3) {
case USB_ENDPOINT_XFER_CONTROL:
*pxfer_type = WA_XFER_TYPE_CTL;
@@ -472,12 +451,10 @@ static ssize_t __wa_xfer_setup_sizes(struct wa_xfer *xfer,
if (xfer->segs == 0 && *pxfer_type == WA_XFER_TYPE_CTL)
xfer->segs = 1;
error:
- d_fnend(3, dev, "(xfer %p [rpipe %p] urb %p) = %d\n",
- xfer, rpipe, urb, (int)result);
return result;
}
-/** Fill in the common request header and xfer-type specific data. */
+/* Fill in the common request header and xfer-type specific data. */
static void __wa_xfer_setup_hdr0(struct wa_xfer *xfer,
struct wa_xfer_hdr *xfer_hdr0,
enum wa_xfer_type xfer_type,
@@ -534,14 +511,13 @@ static void wa_seg_dto_cb(struct urb *urb)
unsigned rpipe_ready = 0;
u8 done = 0;
- d_fnstart(3, NULL, "(urb %p [%d])\n", urb, urb->status);
switch (urb->status) {
case 0:
spin_lock_irqsave(&xfer->lock, flags);
wa = xfer->wa;
dev = &wa->usb_iface->dev;
- d_printf(2, dev, "xfer %p#%u: data out done (%d bytes)\n",
- xfer, seg->index, urb->actual_length);
+ dev_dbg(dev, "xfer %p#%u: data out done (%d bytes)\n",
+ xfer, seg->index, urb->actual_length);
if (seg->status < WA_SEG_PENDING)
seg->status = WA_SEG_PENDING;
seg->result = urb->actual_length;
@@ -555,9 +531,8 @@ static void wa_seg_dto_cb(struct urb *urb)
wa = xfer->wa;
dev = &wa->usb_iface->dev;
rpipe = xfer->ep->hcpriv;
- if (printk_ratelimit())
- dev_err(dev, "xfer %p#%u: data out error %d\n",
- xfer, seg->index, urb->status);
+ dev_dbg(dev, "xfer %p#%u: data out error %d\n",
+ xfer, seg->index, urb->status);
if (edc_inc(&wa->nep_edc, EDC_MAX_ERRORS,
EDC_ERROR_TIMEFRAME)){
dev_err(dev, "DTO: URB max acceptable errors "
@@ -578,7 +553,6 @@ static void wa_seg_dto_cb(struct urb *urb)
if (rpipe_ready)
wa_xfer_delayed_run(rpipe);
}
- d_fnend(3, NULL, "(urb %p [%d]) = void\n", urb, urb->status);
}
/*
@@ -610,14 +584,12 @@ static void wa_seg_cb(struct urb *urb)
unsigned rpipe_ready;
u8 done = 0;
- d_fnstart(3, NULL, "(urb %p [%d])\n", urb, urb->status);
switch (urb->status) {
case 0:
spin_lock_irqsave(&xfer->lock, flags);
wa = xfer->wa;
dev = &wa->usb_iface->dev;
- d_printf(2, dev, "xfer %p#%u: request done\n",
- xfer, seg->index);
+ dev_dbg(dev, "xfer %p#%u: request done\n", xfer, seg->index);
if (xfer->is_inbound && seg->status < WA_SEG_PENDING)
seg->status = WA_SEG_PENDING;
spin_unlock_irqrestore(&xfer->lock, flags);
@@ -652,7 +624,6 @@ static void wa_seg_cb(struct urb *urb)
if (rpipe_ready)
wa_xfer_delayed_run(rpipe);
}
- d_fnend(3, NULL, "(urb %p [%d]) = void\n", urb, urb->status);
}
/*
@@ -750,9 +721,6 @@ static int __wa_xfer_setup(struct wa_xfer *xfer, struct urb *urb)
size_t xfer_hdr_size, cnt, transfer_size;
struct wa_xfer_hdr *xfer_hdr0, *xfer_hdr;
- d_fnstart(3, dev, "(xfer %p [rpipe %p] urb %p)\n",
- xfer, xfer->ep->hcpriv, urb);
-
result = __wa_xfer_setup_sizes(xfer, &xfer_type);
if (result < 0)
goto error_setup_sizes;
@@ -788,8 +756,6 @@ static int __wa_xfer_setup(struct wa_xfer *xfer, struct urb *urb)
result = 0;
error_setup_segs:
error_setup_sizes:
- d_fnend(3, dev, "(xfer %p [rpipe %p] urb %p) = %d\n",
- xfer, xfer->ep->hcpriv, urb, result);
return result;
}
@@ -843,9 +809,6 @@ static void wa_xfer_delayed_run(struct wa_rpipe *rpipe)
struct wa_xfer *xfer;
unsigned long flags;
- d_fnstart(1, dev, "(rpipe #%d) %d segments available\n",
- le16_to_cpu(rpipe->descr.wRPipeIndex),
- atomic_read(&rpipe->segs_available));
spin_lock_irqsave(&rpipe->seg_lock, flags);
while (atomic_read(&rpipe->segs_available) > 0
&& !list_empty(&rpipe->seg_list)) {
@@ -854,10 +817,8 @@ static void wa_xfer_delayed_run(struct wa_rpipe *rpipe)
list_del(&seg->list_node);
xfer = seg->xfer;
result = __wa_seg_submit(rpipe, xfer, seg);
- d_printf(1, dev, "xfer %p#%u submitted from delayed "
- "[%d segments available] %d\n",
- xfer, seg->index,
- atomic_read(&rpipe->segs_available), result);
+ dev_dbg(dev, "xfer %p#%u submitted from delayed [%d segments available] %d\n",
+ xfer, seg->index, atomic_read(&rpipe->segs_available), result);
if (unlikely(result < 0)) {
spin_unlock_irqrestore(&rpipe->seg_lock, flags);
spin_lock_irqsave(&xfer->lock, flags);
@@ -868,10 +829,6 @@ static void wa_xfer_delayed_run(struct wa_rpipe *rpipe)
}
}
spin_unlock_irqrestore(&rpipe->seg_lock, flags);
- d_fnend(1, dev, "(rpipe #%d) = void, %d segments available\n",
- le16_to_cpu(rpipe->descr.wRPipeIndex),
- atomic_read(&rpipe->segs_available));
-
}
/*
@@ -894,9 +851,6 @@ static int __wa_xfer_submit(struct wa_xfer *xfer)
u8 available;
u8 empty;
- d_fnstart(3, dev, "(xfer %p [rpipe %p])\n",
- xfer, xfer->ep->hcpriv);
-
spin_lock_irqsave(&wa->xfer_list_lock, flags);
list_add_tail(&xfer->list_node, &wa->xfer_list);
spin_unlock_irqrestore(&wa->xfer_list_lock, flags);
@@ -908,30 +862,24 @@ static int __wa_xfer_submit(struct wa_xfer *xfer)
available = atomic_read(&rpipe->segs_available);
empty = list_empty(&rpipe->seg_list);
seg = xfer->seg[cnt];
- d_printf(2, dev, "xfer %p#%u: available %u empty %u (%s)\n",
- xfer, cnt, available, empty,
- available == 0 || !empty ? "delayed" : "submitted");
+ dev_dbg(dev, "xfer %p#%u: available %u empty %u (%s)\n",
+ xfer, cnt, available, empty,
+ available == 0 || !empty ? "delayed" : "submitted");
if (available == 0 || !empty) {
- d_printf(1, dev, "xfer %p#%u: delayed\n", xfer, cnt);
+ dev_dbg(dev, "xfer %p#%u: delayed\n", xfer, cnt);
seg->status = WA_SEG_DELAYED;
list_add_tail(&seg->list_node, &rpipe->seg_list);
} else {
result = __wa_seg_submit(rpipe, xfer, seg);
- if (result < 0)
+ if (result < 0) {
+ __wa_xfer_abort(xfer);
goto error_seg_submit;
+ }
}
xfer->segs_submitted++;
}
- spin_unlock_irqrestore(&rpipe->seg_lock, flags);
- d_fnend(3, dev, "(xfer %p [rpipe %p]) = void\n", xfer,
- xfer->ep->hcpriv);
- return result;
-
error_seg_submit:
- __wa_xfer_abort(xfer);
spin_unlock_irqrestore(&rpipe->seg_lock, flags);
- d_fnend(3, dev, "(xfer %p [rpipe %p]) = void\n", xfer,
- xfer->ep->hcpriv);
return result;
}
@@ -964,11 +912,9 @@ static void wa_urb_enqueue_b(struct wa_xfer *xfer)
struct urb *urb = xfer->urb;
struct wahc *wa = xfer->wa;
struct wusbhc *wusbhc = wa->wusb;
- struct device *dev = &wa->usb_iface->dev;
struct wusb_dev *wusb_dev;
unsigned done;
- d_fnstart(3, dev, "(wa %p urb %p)\n", wa, urb);
result = rpipe_get_by_ep(wa, xfer->ep, urb, xfer->gfp);
if (result < 0)
goto error_rpipe_get;
@@ -997,7 +943,6 @@ static void wa_urb_enqueue_b(struct wa_xfer *xfer)
if (result < 0)
goto error_xfer_submit;
spin_unlock_irqrestore(&xfer->lock, flags);
- d_fnend(3, dev, "(wa %p urb %p) = void\n", wa, urb);
return;
/* this is basically wa_xfer_completion() broken up wa_xfer_giveback()
@@ -1015,7 +960,6 @@ error_dev_gone:
error_rpipe_get:
xfer->result = result;
wa_xfer_giveback(xfer);
- d_fnend(3, dev, "(wa %p urb %p) = (void) %d\n", wa, urb, result);
return;
error_xfer_submit:
@@ -1024,8 +968,6 @@ error_xfer_submit:
spin_unlock_irqrestore(&xfer->lock, flags);
if (done)
wa_xfer_completion(xfer);
- d_fnend(3, dev, "(wa %p urb %p) = (void) %d\n", wa, urb, result);
- return;
}
/*
@@ -1041,11 +983,9 @@ error_xfer_submit:
void wa_urb_enqueue_run(struct work_struct *ws)
{
struct wahc *wa = container_of(ws, struct wahc, xfer_work);
- struct device *dev = &wa->usb_iface->dev;
struct wa_xfer *xfer, *next;
struct urb *urb;
- d_fnstart(3, dev, "(wa %p)\n", wa);
spin_lock_irq(&wa->xfer_list_lock);
list_for_each_entry_safe(xfer, next, &wa->xfer_delayed_list,
list_node) {
@@ -1059,7 +999,6 @@ void wa_urb_enqueue_run(struct work_struct *ws)
spin_lock_irq(&wa->xfer_list_lock);
}
spin_unlock_irq(&wa->xfer_list_lock);
- d_fnend(3, dev, "(wa %p) = void\n", wa);
}
EXPORT_SYMBOL_GPL(wa_urb_enqueue_run);
@@ -1084,9 +1023,6 @@ int wa_urb_enqueue(struct wahc *wa, struct usb_host_endpoint *ep,
unsigned long my_flags;
unsigned cant_sleep = irqs_disabled() | in_atomic();
- d_fnstart(3, dev, "(wa %p ep %p urb %p [%d] gfp 0x%x)\n",
- wa, ep, urb, urb->transfer_buffer_length, gfp);
-
if (urb->transfer_buffer == NULL
&& !(urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP)
&& urb->transfer_buffer_length != 0) {
@@ -1108,11 +1044,13 @@ int wa_urb_enqueue(struct wahc *wa, struct usb_host_endpoint *ep,
xfer->gfp = gfp;
xfer->ep = ep;
urb->hcpriv = xfer;
- d_printf(2, dev, "xfer %p urb %p pipe 0x%02x [%d bytes] %s %s %s\n",
- xfer, urb, urb->pipe, urb->transfer_buffer_length,
- urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP ? "dma" : "nodma",
- urb->pipe & USB_DIR_IN ? "inbound" : "outbound",
- cant_sleep ? "deferred" : "inline");
+
+ dev_dbg(dev, "xfer %p urb %p pipe 0x%02x [%d bytes] %s %s %s\n",
+ xfer, urb, urb->pipe, urb->transfer_buffer_length,
+ urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP ? "dma" : "nodma",
+ urb->pipe & USB_DIR_IN ? "inbound" : "outbound",
+ cant_sleep ? "deferred" : "inline");
+
if (cant_sleep) {
usb_get_urb(urb);
spin_lock_irqsave(&wa->xfer_list_lock, my_flags);
@@ -1122,15 +1060,11 @@ int wa_urb_enqueue(struct wahc *wa, struct usb_host_endpoint *ep,
} else {
wa_urb_enqueue_b(xfer);
}
- d_fnend(3, dev, "(wa %p ep %p urb %p [%d] gfp 0x%x) = 0\n",
- wa, ep, urb, urb->transfer_buffer_length, gfp);
return 0;
error_dequeued:
kfree(xfer);
error_kmalloc:
- d_fnend(3, dev, "(wa %p ep %p urb %p [%d] gfp 0x%x) = %d\n",
- wa, ep, urb, urb->transfer_buffer_length, gfp, result);
return result;
}
EXPORT_SYMBOL_GPL(wa_urb_enqueue);
@@ -1155,7 +1089,6 @@ EXPORT_SYMBOL_GPL(wa_urb_enqueue);
*/
int wa_urb_dequeue(struct wahc *wa, struct urb *urb)
{
- struct device *dev = &wa->usb_iface->dev;
unsigned long flags, flags2;
struct wa_xfer *xfer;
struct wa_seg *seg;
@@ -1163,9 +1096,6 @@ int wa_urb_dequeue(struct wahc *wa, struct urb *urb)
unsigned cnt;
unsigned rpipe_ready = 0;
- d_fnstart(3, dev, "(wa %p, urb %p)\n", wa, urb);
-
- d_printf(1, dev, "xfer %p urb %p: aborting\n", urb->hcpriv, urb);
xfer = urb->hcpriv;
if (xfer == NULL) {
/* NOthing setup yet enqueue will see urb->status !=
@@ -1234,13 +1164,11 @@ int wa_urb_dequeue(struct wahc *wa, struct urb *urb)
wa_xfer_completion(xfer);
if (rpipe_ready)
wa_xfer_delayed_run(rpipe);
- d_fnend(3, dev, "(wa %p, urb %p) = 0\n", wa, urb);
return 0;
out_unlock:
spin_unlock_irqrestore(&xfer->lock, flags);
out:
- d_fnend(3, dev, "(wa %p, urb %p) = 0\n", wa, urb);
return 0;
dequeue_delayed:
@@ -1250,7 +1178,6 @@ dequeue_delayed:
spin_unlock_irqrestore(&xfer->lock, flags);
wa_xfer_giveback(xfer);
usb_put_urb(urb); /* we got a ref in enqueue() */
- d_fnend(3, dev, "(wa %p, urb %p) = 0\n", wa, urb);
return 0;
}
EXPORT_SYMBOL_GPL(wa_urb_dequeue);
@@ -1326,7 +1253,6 @@ static void wa_xfer_result_chew(struct wahc *wa, struct wa_xfer *xfer)
u8 usb_status;
unsigned rpipe_ready = 0;
- d_fnstart(3, dev, "(wa %p xfer %p)\n", wa, xfer);
spin_lock_irqsave(&xfer->lock, flags);
seg_idx = xfer_result->bTransferSegment & 0x7f;
if (unlikely(seg_idx >= xfer->segs))
@@ -1334,8 +1260,8 @@ static void wa_xfer_result_chew(struct wahc *wa, struct wa_xfer *xfer)
seg = xfer->seg[seg_idx];
rpipe = xfer->ep->hcpriv;
usb_status = xfer_result->bTransferStatus;
- d_printf(2, dev, "xfer %p#%u: bTransferStatus 0x%02x (seg %u)\n",
- xfer, seg_idx, usb_status, seg->status);
+ dev_dbg(dev, "xfer %p#%u: bTransferStatus 0x%02x (seg %u)\n",
+ xfer, seg_idx, usb_status, seg->status);
if (seg->status == WA_SEG_ABORTED
|| seg->status == WA_SEG_ERROR) /* already handled */
goto segment_aborted;
@@ -1391,10 +1317,8 @@ static void wa_xfer_result_chew(struct wahc *wa, struct wa_xfer *xfer)
wa_xfer_completion(xfer);
if (rpipe_ready)
wa_xfer_delayed_run(rpipe);
- d_fnend(3, dev, "(wa %p xfer %p) = void\n", wa, xfer);
return;
-
error_submit_buf_in:
if (edc_inc(&wa->dti_edc, EDC_MAX_ERRORS, EDC_ERROR_TIMEFRAME)) {
dev_err(dev, "DTI: URB max acceptable errors "
@@ -1416,11 +1340,8 @@ error_complete:
wa_xfer_completion(xfer);
if (rpipe_ready)
wa_xfer_delayed_run(rpipe);
- d_fnend(3, dev, "(wa %p xfer %p) = void [segment/DTI-submit error]\n",
- wa, xfer);
return;
-
error_bad_seg:
spin_unlock_irqrestore(&xfer->lock, flags);
wa_urb_dequeue(wa, xfer->urb);
@@ -1431,17 +1352,11 @@ error_bad_seg:
"exceeded, resetting device\n");
wa_reset_all(wa);
}
- d_fnend(3, dev, "(wa %p xfer %p) = void [bad seg]\n", wa, xfer);
return;
-
segment_aborted:
/* nothing to do, as the aborter did the completion */
spin_unlock_irqrestore(&xfer->lock, flags);
- d_fnend(3, dev, "(wa %p xfer %p) = void [segment aborted]\n",
- wa, xfer);
- return;
-
}
/*
@@ -1465,15 +1380,14 @@ static void wa_buf_in_cb(struct urb *urb)
unsigned long flags;
u8 done = 0;
- d_fnstart(3, NULL, "(urb %p [%d])\n", urb, urb->status);
switch (urb->status) {
case 0:
spin_lock_irqsave(&xfer->lock, flags);
wa = xfer->wa;
dev = &wa->usb_iface->dev;
rpipe = xfer->ep->hcpriv;
- d_printf(2, dev, "xfer %p#%u: data in done (%zu bytes)\n",
- xfer, seg->index, (size_t)urb->actual_length);
+ dev_dbg(dev, "xfer %p#%u: data in done (%zu bytes)\n",
+ xfer, seg->index, (size_t)urb->actual_length);
seg->status = WA_SEG_DONE;
seg->result = urb->actual_length;
xfer->segs_done++;
@@ -1514,7 +1428,6 @@ static void wa_buf_in_cb(struct urb *urb)
if (rpipe_ready)
wa_xfer_delayed_run(rpipe);
}
- d_fnend(3, NULL, "(urb %p [%d]) = void\n", urb, urb->status);
}
/*
@@ -1553,14 +1466,12 @@ static void wa_xfer_result_cb(struct urb *urb)
struct wa_xfer *xfer;
u8 usb_status;
- d_fnstart(3, dev, "(%p)\n", wa);
BUG_ON(wa->dti_urb != urb);
switch (wa->dti_urb->status) {
case 0:
/* We have a xfer result buffer; check it */
- d_printf(2, dev, "DTI: xfer result %d bytes at %p\n",
- urb->actual_length, urb->transfer_buffer);
- d_dump(3, dev, urb->transfer_buffer, urb->actual_length);
+ dev_dbg(dev, "DTI: xfer result %d bytes at %p\n",
+ urb->actual_length, urb->transfer_buffer);
if (wa->dti_urb->actual_length != sizeof(*xfer_result)) {
dev_err(dev, "DTI Error: xfer result--bad size "
"xfer result (%d bytes vs %zu needed)\n",
@@ -1622,7 +1533,6 @@ static void wa_xfer_result_cb(struct urb *urb)
wa_reset_all(wa);
}
out:
- d_fnend(3, dev, "(%p) = void\n", wa);
return;
}
@@ -1653,7 +1563,6 @@ void wa_handle_notif_xfer(struct wahc *wa, struct wa_notif_hdr *notif_hdr)
struct wa_notif_xfer *notif_xfer;
const struct usb_endpoint_descriptor *dti_epd = wa->dti_epd;
- d_fnstart(4, dev, "(%p, %p)\n", wa, notif_hdr);
notif_xfer = container_of(notif_hdr, struct wa_notif_xfer, hdr);
BUG_ON(notif_hdr->bNotifyType != WA_NOTIF_TRANSFER);
@@ -1693,7 +1602,6 @@ void wa_handle_notif_xfer(struct wahc *wa, struct wa_notif_hdr *notif_hdr)
goto error_dti_urb_submit;
}
out:
- d_fnend(4, dev, "(%p, %p) = void\n", wa, notif_hdr);
return;
error_dti_urb_submit:
@@ -1704,6 +1612,4 @@ error_buf_in_urb_alloc:
error_dti_urb_alloc:
error:
wa_reset_all(wa);
- d_fnend(4, dev, "(%p, %p) = void\n", wa, notif_hdr);
- return;
}
diff --git a/drivers/usb/wusbcore/wusbhc.h b/drivers/usb/wusbcore/wusbhc.h
index d0c132434f1..797c2453a35 100644
--- a/drivers/usb/wusbcore/wusbhc.h
+++ b/drivers/usb/wusbcore/wusbhc.h
@@ -64,6 +64,13 @@
#include <linux/uwb.h>
#include <linux/usb/wusb.h>
+/*
+ * Time from a WUSB channel stop request to the last transmitted MMC.
+ *
+ * This needs to be > 4.096 ms in case no MMCs can be transmitted in
+ * zone 0.
+ */
+#define WUSB_CHANNEL_STOP_DELAY_MS 8
/**
* Wireless USB device
@@ -147,7 +154,6 @@ struct wusb_port {
u16 status;
u16 change;
struct wusb_dev *wusb_dev; /* connected device's info */
- unsigned reset_count;
u32 ptk_tkid;
};
@@ -198,21 +204,18 @@ struct wusb_port {
* @mmcies_max Max number of Information Elements this HC can send
* in its MMC. Read-only.
*
+ * @start Start the WUSB channel.
+ *
+ * @stop Stop the WUSB channel after the specified number of
+ * milliseconds. Channel Stop IEs should be transmitted
+ * as required by [WUSB] 4.16.2.1.
+ *
* @mmcie_add HC specific operation (WHCI or HWA) for adding an
* MMCIE.
*
* @mmcie_rm HC specific operation (WHCI or HWA) for removing an
* MMCIE.
*
- * @enc_types Array which describes the encryptions methods
- * supported by the host as described in WUSB1.0 --
- * one entry per supported method. As of WUSB1.0 there
- * is only four methods, we make space for eight just in
- * case they decide to add some more (and pray they do
- * it in sequential order). if 'enc_types[enc_method]
- * != 0', then it is supported by the host. enc_method
- * is USB_ENC_TYPE*.
- *
* @set_ptk: Set the PTK and enable encryption for a device. Or, if
* the supplied key is NULL, disable encryption for that
* device.
@@ -249,7 +252,8 @@ struct wusbhc {
struct uwb_pal pal;
unsigned trust_timeout; /* in jiffies */
- struct wuie_host_info *wuie_host_info; /* Includes CHID */
+ struct wusb_ckhdid chid;
+ struct wuie_host_info *wuie_host_info;
struct mutex mutex; /* locks everything else */
u16 cluster_id; /* Wireless USB Cluster ID */
@@ -269,7 +273,7 @@ struct wusbhc {
u8 mmcies_max;
/* FIXME: make wusbhc_ops? */
int (*start)(struct wusbhc *wusbhc);
- void (*stop)(struct wusbhc *wusbhc);
+ void (*stop)(struct wusbhc *wusbhc, int delay);
int (*mmcie_add)(struct wusbhc *wusbhc, u8 interval, u8 repeat_cnt,
u8 handle, struct wuie_hdr *wuie);
int (*mmcie_rm)(struct wusbhc *wusbhc, u8 handle);
@@ -373,20 +377,17 @@ static inline void wusbhc_put(struct wusbhc *wusbhc)
usb_put_hcd(&wusbhc->usb_hcd);
}
-int wusbhc_start(struct wusbhc *wusbhc, const struct wusb_ckhdid *chid);
+int wusbhc_start(struct wusbhc *wusbhc);
void wusbhc_stop(struct wusbhc *wusbhc);
extern int wusbhc_chid_set(struct wusbhc *, const struct wusb_ckhdid *);
/* Device connect handling */
extern int wusbhc_devconnect_create(struct wusbhc *);
extern void wusbhc_devconnect_destroy(struct wusbhc *);
-extern int wusbhc_devconnect_start(struct wusbhc *wusbhc,
- const struct wusb_ckhdid *chid);
+extern int wusbhc_devconnect_start(struct wusbhc *wusbhc);
extern void wusbhc_devconnect_stop(struct wusbhc *wusbhc);
-extern int wusbhc_devconnect_auth(struct wusbhc *, u8);
extern void wusbhc_handle_dn(struct wusbhc *, u8 srcaddr,
struct wusb_dn_hdr *dn_hdr, size_t size);
-extern int wusbhc_dev_reset(struct wusbhc *wusbhc, u8 port);
extern void __wusbhc_dev_disable(struct wusbhc *wusbhc, u8 port);
extern int wusb_usb_ncb(struct notifier_block *nb, unsigned long val,
void *priv);
@@ -432,6 +433,7 @@ extern void wusb_dev_sec_rm(struct wusb_dev *) ;
extern int wusb_dev_4way_handshake(struct wusbhc *, struct wusb_dev *,
struct wusb_ckhdid *ck);
void wusbhc_gtk_rekey(struct wusbhc *wusbhc);
+int wusb_dev_update_address(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev);
/* WUSB Cluster ID handling */