From: Daniel Lezcano <daniel.lezcano@linaro.org>
Date: Thu, 8 May 2014 21:43:27 +0000 (+0900)
Subject: ARM: EXYNOS: Fix S5P_WAKEUP_STAT call for cpuidle
X-Git-Tag: firefly_0821_release~176^2~3465^2~43^2~2^2~14
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=9bd5544af89618f2f5bee31a7ef24d987f2b3f1d;p=firefly-linux-kernel-4.4.55.git

ARM: EXYNOS: Fix S5P_WAKEUP_STAT call for cpuidle

This function should be called only when the powerdown sequence fails.

Even if the current code does not hurt, by moving this line, we have
the same code than the one in pm.c.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
---

diff --git a/arch/arm/mach-exynos/cpuidle.c b/arch/arm/mach-exynos/cpuidle.c
index 144ff1e7bbf8..87f9f129883d 100644
--- a/arch/arm/mach-exynos/cpuidle.c
+++ b/arch/arm/mach-exynos/cpuidle.c
@@ -116,11 +116,10 @@ static int exynos_enter_core0_aftr(struct cpuidle_device *dev,
 	if (!(tmp & S5P_CENTRAL_LOWPWR_CFG)) {
 		tmp |= S5P_CENTRAL_LOWPWR_CFG;
 		__raw_writel(tmp, S5P_CENTRAL_SEQ_CONFIGURATION);
+		/* Clear wakeup state register */
+		__raw_writel(0x0, S5P_WAKEUP_STAT);
 	}
 
-	/* Clear wakeup state register */
-	__raw_writel(0x0, S5P_WAKEUP_STAT);
-
 	return index;
 }