Commit 8d6d5fd0 authored Jul 09, 2007 by Venki Pallipadi Committed by Greg Kroah-Hartman Jul 12, 2007

USB: Make usb-autosuspend timer 1 sec jiffy aligned



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 <venkatesh.pallipadi@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

parent 8e80e753

drivers/usb/core/driver.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1010,7 +1010,7 @@ static int autosuspend_check(struct usb_device *udev)
		* or for the past.
		*/
		queue_delayed_work(ksuspend_usb_wq, &udev->autosuspend,
		suspend_time - jiffies);
		round_jiffies_relative(suspend_time - jiffies));
		}
		return -EAGAIN;
		}