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Commit 65a64ec3 authored by Vitaly Wool's avatar Vitaly Wool Committed by Wim Van Sebroeck
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[WATCHDOG] pnx4008: add cpu_relax() 



Added cpu_relax as suggested by Alan Cox.

Signed-off-by: default avatarVitaly Wool <vitalywool@gmail.com>
Signed-off-by: default avatarWim Van Sebroeck <wim@iguana.be>
parent 99d2853a

drivers/char/watchdog/pnx4008_wdt.c

+2 −1
Original line number Diff line number Diff line
@@ -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));