From: Venki Pallipadi <[EMAIL PROTECTED]>
Make usb autosuspend timers 1sec jiffy aligned.
This helps to reduce the frequency at which the CPU must be taken out of a
lower-power state.
Signed-off-by: Venkatesh Pallipadi <[EMAIL PROTECTED]>
Cc: Greg KH <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
---
drivers/usb/core/driver.c | 2 +-
1 files changed, 1 insertion(+), 1 deletion(-)
diff -puN
drivers/usb/core/driver.c~make-usb-autosuspend-timer-1-sec-jiffy-aligned
drivers/usb/core/driver.c
--- a/drivers/usb/core/driver.c~make-usb-autosuspend-timer-1-sec-jiffy-aligned
+++ a/drivers/usb/core/driver.c
@@ -1010,7 +1010,7 @@ static int autosuspend_check(struct usb_
* or for the past.
*/
queue_delayed_work(ksuspend_usb_wq, &udev->autosuspend,
- suspend_time - jiffies);
+ round_jiffies_relative(suspend_time - jiffies));
}
return -EAGAIN;
}
_
-------------------------------------------------------------------------
This SF.net email is sponsored by DB2 Express
Download DB2 Express C - the FREE version of DB2 express and take
control of your XML. No limits. Just data. Click to get it now.
http://sourceforge.net/powerbar/db2/
_______________________________________________
[email protected]
To unsubscribe, use the last form field at:
https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
