diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-21 12:25:47 -0500 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-21 12:25:47 -0500 |
commit | 2bf2154c6bb5599e3ec3f73c34861a0b12aa839e (patch) | |
tree | 62691bd915e2e3c2e6648306d3fb893f7a1dc57e /drivers/usb/storage/usb.c | |
parent | 08a4ecee986dd98e86090ff5faac4782b6765aed (diff) | |
parent | 71a8924bee63d891f6256d560e32416a458440b3 (diff) |
Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6: (81 commits)
[PATCH] USB: omninet: fix up debugging comments
[PATCH] USB serial: add navman driver
[PATCH] USB: Fix irda-usb use after use
[PATCH] USB: rtl8150 small fix
[PATCH] USB: ftdi_sio: add Icom ID1 USB product and vendor ids
[PATCH] USB: cp2101: add new device IDs
[PATCH] USB: fix check_ctrlrecip to allow control transfers in state ADDRESS
[PATCH] USB: vicam.c: fix a NULL pointer dereference
[PATCH] USB: ZC0301 driver bugfix
[PATCH] USB: add support for Creativelabs Silvercrest USB keyboard
[PATCH] USB: storage: new unusual_devs.h entry: Mitsumi 7in1 Card Reader
[PATCH] USB: storage: unusual_devs.h entry 0420:0001
[PATCH] USB: storage: another unusual_devs.h entry
[PATCH] USB: storage: sandisk unusual_devices entry
[PATCH] USB: fix initdata issue in isp116x-hcd
[PATCH] USB: usbcore: usb_set_configuration oops (NULL ptr dereference)
[PATCH] USB: usbcore: Don't assume a USB configuration includes any interfaces
[PATCH] USB: ub 03 drop stall clearing
[PATCH] USB: ub 02 remove diag
[PATCH] USB: ub 01 remove first_open
...
Diffstat (limited to 'drivers/usb/storage/usb.c')
-rw-r--r-- | drivers/usb/storage/usb.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c index dbcf23980ff1..dd108634348e 100644 --- a/drivers/usb/storage/usb.c +++ b/drivers/usb/storage/usb.c | |||
@@ -55,6 +55,7 @@ | |||
55 | #include <linux/init.h> | 55 | #include <linux/init.h> |
56 | #include <linux/slab.h> | 56 | #include <linux/slab.h> |
57 | #include <linux/kthread.h> | 57 | #include <linux/kthread.h> |
58 | #include <linux/mutex.h> | ||
58 | 59 | ||
59 | #include <scsi/scsi.h> | 60 | #include <scsi/scsi.h> |
60 | #include <scsi/scsi_cmnd.h> | 61 | #include <scsi/scsi_cmnd.h> |
@@ -188,7 +189,7 @@ static int storage_suspend(struct usb_interface *iface, pm_message_t message) | |||
188 | struct us_data *us = usb_get_intfdata(iface); | 189 | struct us_data *us = usb_get_intfdata(iface); |
189 | 190 | ||
190 | /* Wait until no command is running */ | 191 | /* Wait until no command is running */ |
191 | down(&us->dev_semaphore); | 192 | mutex_lock(&us->dev_mutex); |
192 | 193 | ||
193 | US_DEBUGP("%s\n", __FUNCTION__); | 194 | US_DEBUGP("%s\n", __FUNCTION__); |
194 | if (us->suspend_resume_hook) | 195 | if (us->suspend_resume_hook) |
@@ -198,7 +199,7 @@ static int storage_suspend(struct usb_interface *iface, pm_message_t message) | |||
198 | /* When runtime PM is working, we'll set a flag to indicate | 199 | /* When runtime PM is working, we'll set a flag to indicate |
199 | * whether we should autoresume when a SCSI request arrives. */ | 200 | * whether we should autoresume when a SCSI request arrives. */ |
200 | 201 | ||
201 | up(&us->dev_semaphore); | 202 | mutex_unlock(&us->dev_mutex); |
202 | return 0; | 203 | return 0; |
203 | } | 204 | } |
204 | 205 | ||
@@ -206,14 +207,14 @@ static int storage_resume(struct usb_interface *iface) | |||
206 | { | 207 | { |
207 | struct us_data *us = usb_get_intfdata(iface); | 208 | struct us_data *us = usb_get_intfdata(iface); |
208 | 209 | ||
209 | down(&us->dev_semaphore); | 210 | mutex_lock(&us->dev_mutex); |
210 | 211 | ||
211 | US_DEBUGP("%s\n", __FUNCTION__); | 212 | US_DEBUGP("%s\n", __FUNCTION__); |
212 | if (us->suspend_resume_hook) | 213 | if (us->suspend_resume_hook) |
213 | (us->suspend_resume_hook)(us, US_RESUME); | 214 | (us->suspend_resume_hook)(us, US_RESUME); |
214 | iface->dev.power.power_state.event = PM_EVENT_ON; | 215 | iface->dev.power.power_state.event = PM_EVENT_ON; |
215 | 216 | ||
216 | up(&us->dev_semaphore); | 217 | mutex_unlock(&us->dev_mutex); |
217 | return 0; | 218 | return 0; |
218 | } | 219 | } |
219 | 220 | ||
@@ -276,12 +277,12 @@ static int usb_stor_control_thread(void * __us) | |||
276 | US_DEBUGP("*** thread awakened.\n"); | 277 | US_DEBUGP("*** thread awakened.\n"); |
277 | 278 | ||
278 | /* lock the device pointers */ | 279 | /* lock the device pointers */ |
279 | down(&(us->dev_semaphore)); | 280 | mutex_lock(&(us->dev_mutex)); |
280 | 281 | ||
281 | /* if the device has disconnected, we are free to exit */ | 282 | /* if the device has disconnected, we are free to exit */ |
282 | if (test_bit(US_FLIDX_DISCONNECTING, &us->flags)) { | 283 | if (test_bit(US_FLIDX_DISCONNECTING, &us->flags)) { |
283 | US_DEBUGP("-- exiting\n"); | 284 | US_DEBUGP("-- exiting\n"); |
284 | up(&(us->dev_semaphore)); | 285 | mutex_unlock(&us->dev_mutex); |
285 | break; | 286 | break; |
286 | } | 287 | } |
287 | 288 | ||
@@ -370,7 +371,7 @@ SkipForAbort: | |||
370 | scsi_unlock(host); | 371 | scsi_unlock(host); |
371 | 372 | ||
372 | /* unlock the device pointers */ | 373 | /* unlock the device pointers */ |
373 | up(&(us->dev_semaphore)); | 374 | mutex_unlock(&us->dev_mutex); |
374 | } /* for (;;) */ | 375 | } /* for (;;) */ |
375 | 376 | ||
376 | scsi_host_put(host); | 377 | scsi_host_put(host); |
@@ -815,8 +816,8 @@ static void quiesce_and_remove_host(struct us_data *us) | |||
815 | * The thread will exit when it sees the DISCONNECTING flag. */ | 816 | * The thread will exit when it sees the DISCONNECTING flag. */ |
816 | 817 | ||
817 | /* Wait for the current command to finish, then remove the host */ | 818 | /* Wait for the current command to finish, then remove the host */ |
818 | down(&us->dev_semaphore); | 819 | mutex_lock(&us->dev_mutex); |
819 | up(&us->dev_semaphore); | 820 | mutex_unlock(&us->dev_mutex); |
820 | 821 | ||
821 | /* queuecommand won't accept any new commands and the control | 822 | /* queuecommand won't accept any new commands and the control |
822 | * thread won't execute a previously-queued command. If there | 823 | * thread won't execute a previously-queued command. If there |
@@ -870,9 +871,9 @@ retry: | |||
870 | /* For bulk-only devices, determine the max LUN value */ | 871 | /* For bulk-only devices, determine the max LUN value */ |
871 | if (us->protocol == US_PR_BULK && | 872 | if (us->protocol == US_PR_BULK && |
872 | !(us->flags & US_FL_SINGLE_LUN)) { | 873 | !(us->flags & US_FL_SINGLE_LUN)) { |
873 | down(&us->dev_semaphore); | 874 | mutex_lock(&us->dev_mutex); |
874 | us->max_lun = usb_stor_Bulk_max_lun(us); | 875 | us->max_lun = usb_stor_Bulk_max_lun(us); |
875 | up(&us->dev_semaphore); | 876 | mutex_unlock(&us->dev_mutex); |
876 | } | 877 | } |
877 | scsi_scan_host(us_to_host(us)); | 878 | scsi_scan_host(us_to_host(us)); |
878 | printk(KERN_DEBUG "usb-storage: device scan complete\n"); | 879 | printk(KERN_DEBUG "usb-storage: device scan complete\n"); |
@@ -912,7 +913,7 @@ static int storage_probe(struct usb_interface *intf, | |||
912 | 913 | ||
913 | us = host_to_us(host); | 914 | us = host_to_us(host); |
914 | memset(us, 0, sizeof(struct us_data)); | 915 | memset(us, 0, sizeof(struct us_data)); |
915 | init_MUTEX(&(us->dev_semaphore)); | 916 | mutex_init(&(us->dev_mutex)); |
916 | init_MUTEX_LOCKED(&(us->sema)); | 917 | init_MUTEX_LOCKED(&(us->sema)); |
917 | init_completion(&(us->notify)); | 918 | init_completion(&(us->notify)); |
918 | init_waitqueue_head(&us->delay_wait); | 919 | init_waitqueue_head(&us->delay_wait); |