linux-kernel - [PATCH 8/8] ipmi: Change timeout and event poll to one second

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Message-id: <20100503133835.GH8130@minyard.local>
Date:	Mon, 03 May 2010 08:38:35 -0500
From:	Corey Minyard <minyard@....org>
To:	Linux Kernel <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>
Cc:	OpenIPMI Developers <openipmi-developer@...ts.sourceforge.net>,
	Matthew Garrett <mjg@...hat.com>
Subject: [PATCH 8/8] ipmi: Change timeout and event poll to one second

From: Corey Minyard <cminyard@...sta.com>

The timeouts in IPMI are in the 1-5 second range in message handling,
so a 1 second timeout is a reasonable thing to do.  This should help
with reducing power consumption on idle systems.

Signed-off-by: Corey Minyard <cminyard@...sta.com>
---

Index: linux-2.6/drivers/char/ipmi/ipmi_msghandler.c
===================================================================
--- linux-2.6.orig/drivers/char/ipmi/ipmi_msghandler.c
+++ linux-2.6/drivers/char/ipmi/ipmi_msghandler.c
@@ -4037,8 +4037,8 @@ static void ipmi_request_event(void)
 
 static struct timer_list ipmi_timer;
 
-/* Call every ~100 ms. */
-#define IPMI_TIMEOUT_TIME	100
+/* Call every ~1000 ms. */
+#define IPMI_TIMEOUT_TIME	1000
 
 /* How many jiffies does it take to get to the timeout time. */
 #define IPMI_TIMEOUT_JIFFIES	((IPMI_TIMEOUT_TIME * HZ) / 1000)
--
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