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[WATCHDOG] pnx4008: add cpu_relax()

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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>
This commit is contained in:
Vitaly Wool 2006-09-11 14:42:39 +04:00 committed by Wim Van Sebroeck
parent 99d2853ac9
commit 65a64ec3b4
1 changed files with 2 additions and 1 deletions
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3
drivers/char/watchdog/pnx4008_wdt.c
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@ -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));