linux-kernel - [PATCH] watchdog: kempld-wdt: Use the correct value when configuring the prescaler with the watchdog

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Date:	Thu, 24 Apr 2014 15:49:19 +0200
From:	gundberg <per.gundberg@...mera.com>
To:	wim@...ana.be, linux-watchdog@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] watchdog: kempld-wdt: Use the correct value when configuring
 the prescaler with the watchdog

Use the prescaler index, rather than its value, to configure the watchdog.
This will prevent a mismatch with the prescaler used to calculate the cycles.

Signed-off-by: Per Gundberg <per.gundberg@...mera.com>
---
 drivers/watchdog/kempld_wdt.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- src/drivers/watchdog/kempld_wdt.c.orig	2014-04-24 07:32:08.463745055 +0000
+++ src/drivers/watchdog/kempld_wdt.c	2014-04-24 07:34:09.839739808 +0000
@@ -163,7 +163,7 @@ static int kempld_wdt_set_stage_timeout(
 	kempld_get_mutex(pld);
 	stage_cfg = kempld_read8(pld, KEMPLD_WDT_STAGE_CFG(stage->id));
 	stage_cfg &= ~STAGE_CFG_PRESCALER_MASK;
-	stage_cfg |= STAGE_CFG_SET_PRESCALER(prescaler);
+	stage_cfg |= STAGE_CFG_SET_PRESCALER(PRESCALER_21);
 	kempld_write8(pld, KEMPLD_WDT_STAGE_CFG(stage->id), stage_cfg);
 	kempld_write32(pld, KEMPLD_WDT_STAGE_TIMEOUT(stage->id),
 			stage_timeout);
--
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