linux-kernel - [PATCH 1/4] Make usb-autosuspend timer 1 sec jiffy aligned

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Message-ID: <20070529175821.GA5411@linux-os.sc.intel.com>
Date:	Tue, 29 May 2007 10:58:21 -0700
From:	Venki Pallipadi <venkatesh.pallipadi@...el.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/4] Make usb-autosuspend timer 1 sec jiffy aligned



Below are a bunch of random timers, that were active on my system,
that can better be round_jiffies() aligned.

I guess we need a audit of all timer usages atleast in kernel-core.

This patch:

Make usb autosuspend timers 1sec jiffy aligned.

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@...el.com>

Index: linux-2.6.22-rc-mm/drivers/usb/core/driver.c
===================================================================
--- linux-2.6.22-rc-mm.orig/drivers/usb/core/driver.c	2007-05-24 11:16:00.000000000 -0700
+++ linux-2.6.22-rc-mm/drivers/usb/core/driver.c	2007-05-25 10:00:50.000000000 -0700
@@ -974,7 +974,7 @@
 			 * or for the past.
 			 */
 			queue_delayed_work(ksuspend_usb_wq, &udev->autosuspend,
-					suspend_time - jiffies);
+				round_jiffies_relative(suspend_time - jiffies));
 			}
 		return -EAGAIN;
 	}
-
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