From: Vitaly Wool <vitalywool@gmail.com>
Date: Mon, 11 Sep 2006 10:42:39 +0000 (+0400)
Subject: [WATCHDOG] pnx4008: add cpu_relax()
X-Git-Tag: v3.12-rc1~33142^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=65a64ec3b4fc904932b832c53e5a86d56b972682;p=kernel%2Fkernel-generic.git

[WATCHDOG] pnx4008: add cpu_relax()

Added cpu_relax as suggested by Alan Cox.

Signed-off-by: Vitaly Wool <vitalywool@gmail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
---

diff --git a/drivers/char/watchdog/pnx4008_wdt.c b/drivers/char/watchdog/pnx4008_wdt.c
index 359168e..e7f0450 100644
--- a/drivers/char/watchdog/pnx4008_wdt.c
+++ b/drivers/char/watchdog/pnx4008_wdt.c
@@ -104,7 +104,8 @@ static void wdt_enable(void)
 	/* stop counter, initiate counter reset */
 	__raw_writel(RESET_COUNT, WDTIM_CTRL(wdt_base));
 	/*wait for reset to complete. 100% guarantee event */
-	while (__raw_readl(WDTIM_COUNTER(wdt_base)));
+	while (__raw_readl(WDTIM_COUNTER(wdt_base)))
+		cpu_relax();
 	/* internal and external reset, stop after that */
 	__raw_writel(M_RES2 | STOP_COUNT0 | RESET_COUNT0,
 		WDTIM_MCTRL(wdt_base));