lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

usbcore: move usb_autosuspend_work

Browse Source 
This patch (as864) moves the work routine for USB autosuspend from one
source file to another.  This permits the removal of one whole global
symbol (!) and should smooth the way for more changes in the future.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alan Stern
2007-03-09 15:41:13 -05:00
committed by Greg Kroah-Hartman
parent 64e35d9236
commit 718efa64e3
3 changed files with 20 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
drivers/usb/core/driver.c
View File

@@ -1033,7 +1033,7 @@ static int autosuspend_check(struct usb_device *udev)
*
* This routine can run only in process context.
*/
int usb_suspend_both(struct usb_device *udev, pm_message_t msg)
static int usb_suspend_both(struct usb_device *udev, pm_message_t msg)
{
int status = 0;
int i = 0;
@@ -1109,7 +1109,7 @@ int usb_suspend_both(struct usb_device *udev, pm_message_t msg)
*
* This routine can run only in process context.
*/
int usb_resume_both(struct usb_device *udev)
static int usb_resume_both(struct usb_device *udev)
{
int status = 0;
int i;
@@ -1173,6 +1173,18 @@ int usb_resume_both(struct usb_device *udev)
#ifdef CONFIG_USB_SUSPEND
/* usb_autosuspend_work - callback routine to autosuspend a USB device */
void usb_autosuspend_work(struct work_struct *work)
{
struct usb_device *udev =
container_of(work, struct usb_device, autosuspend.work);
usb_pm_lock(udev);
udev->auto_pm = 1;
usb_suspend_both(udev, PMSG_SUSPEND);
usb_pm_unlock(udev);
}
/* Internal routine to adjust a device's usage counter and change
* its autosuspend state.
*/
@@ -1405,6 +1417,11 @@ int usb_autopm_set_interface(struct usb_interface *intf)
}
EXPORT_SYMBOL_GPL(usb_autopm_set_interface);
#else
void usb_autosuspend_work(struct work_struct *work)
{}
#endif /* CONFIG_USB_SUSPEND */
static int usb_suspend(struct device *dev, pm_message_t message)