diff options
Diffstat (limited to 'drivers/usb/core/usb.c')
| -rw-r--r-- | drivers/usb/core/usb.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index dfd1b5c87ca3..4a6299bd0047 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -31,7 +31,6 @@ #include <linux/init.h> #include <linux/spinlock.h> #include <linux/errno.h> -#include <linux/smp_lock.h> #include <linux/usb.h> #include <linux/mutex.h> #include <linux/workqueue.h> @@ -185,10 +184,6 @@ static void usb_release_dev(struct device *dev) udev = to_usb_device(dev); -#ifdef CONFIG_USB_SUSPEND - cancel_delayed_work(&udev->autosuspend); - flush_workqueue(ksuspend_usb_wq); -#endif usb_destroy_configuration(udev); usb_put_hcd(bus_to_hcd(udev->bus)); kfree(udev->product); @@ -206,7 +201,11 @@ struct device_type usb_device_type = { static int ksuspend_usb_init(void) { - ksuspend_usb_wq = create_singlethread_workqueue("ksuspend_usbd"); + /* This workqueue is supposed to be both freezable and + * singlethreaded. Its job doesn't justify running on more + * than one CPU. + */ + ksuspend_usb_wq = create_freezeable_workqueue("ksuspend_usbd"); if (!ksuspend_usb_wq) return -ENOMEM; return 0; |