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authorRafael J. Wysocki <rjw@sisk.pl>2008-02-25 00:35:04 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2008-03-04 14:47:05 -0800
commit7a8d37a37380e2b1500592d40b7ec384dbebe7a0 (patch)
tree9a23b48e49ffc3303e5998f20498c994da2788c1 /drivers/usb/core/usb.c
parenta4573c488dd531c6e2d308ce8a7413c4a2646207 (diff)
PM: Do not acquire device semaphores upfront during suspend
Remove the code that acquires all device semaphores from the suspend code path as it causes multiple problems to appear (most notably, http://bugzilla.kernel.org/show_bug.cgi?id=10030) and revert the change introduced by commit 4145ed6dc597a9bea5f6ae8c574653b2de10620f depending on the code being removed. Remove pm_sleep_lock()/pm_sleep_unlock() from device_add() to avoid the issue reported at http://bugzilla.kernel.org/show_bug.cgi?id=9874. It should fix the regreesions reported at: http://bugzilla.kernel.org/show_bug.cgi?id=9874 http://bugzilla.kernel.org/show_bug.cgi?id=10030 Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/core/usb.c')
-rw-r--r--drivers/usb/core/usb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index f6f19908f5f..1f0db51190c 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -233,7 +233,7 @@ static int ksuspend_usb_init(void)
* singlethreaded. Its job doesn't justify running on more
* than one CPU.
*/
- ksuspend_usb_wq = create_singlethread_workqueue("ksuspend_usbd");
+ ksuspend_usb_wq = create_freezeable_workqueue("ksuspend_usbd");
if (!ksuspend_usb_wq)
return -ENOMEM;
return 0;