linux-kernel - [PATCH] sky2: Use deferrable timer for watchdog

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Message-ID: <Pine.LNX.4.64.0712182008160.3616@mini.warudkars.net>
Date:	Tue, 18 Dec 2007 20:13:28 -0500 (EST)
From:	Parag Warudkar <parag.warudkar@...il.com>
To:	netdev@...r.kernel.org
cc:	shemminger@...ux-foundation.org, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] sky2: Use deferrable timer for watchdog


sky2 can use deferrable timer for watchdog - reduces wakeups from idle per 
second.

Signed-off-by: Parag Warudkar <parag.warudkar@...il.com>

--- linux-2.6/drivers/net/sky2.c	2007-12-07 10:04:39.000000000 -0500
+++ linux-2.6-work/drivers/net/sky2.c	2007-12-18 20:07:58.000000000 -0500
@@ -4230,7 +4230,10 @@
  			sky2_show_addr(dev1);
  	}

-	setup_timer(&hw->watchdog_timer, sky2_watchdog, (unsigned long) hw);
+	hw->watchdog_timer.function = sky2_watchdog;
+	hw->watchdog_timer.data = (unsigned long) hw;
+	init_timer_deferrable(&hw->watchdog_timer);
+
  	INIT_WORK(&hw->restart_work, sky2_restart);

  	pci_set_drvdata(pdev, hw);
--
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