From: Abhilash Kesavan <a.kesavan@samsung.com>
Date: Thu, 22 Nov 2012 05:46:40 +0000 (+0900)
Subject: ARM: EXYNOS: Add flush_cache_all in suspend finisher
X-Git-Tag: firefly_0821_release~3680^2~1477^2~2^2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=573e5bbe653d01dc0f27e2d97754db9246b501c8;p=firefly-linux-kernel-4.4.55.git

ARM: EXYNOS: Add flush_cache_all in suspend finisher

The core cpu_suspend code no longer calls flush_cache_all to
optimize the cpu idle flow. Add a call for the same in the
exynos specific suspend code.

Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
---

diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c
index 8dedeb237924..8df6ec547f78 100644
--- a/arch/arm/mach-exynos/pm.c
+++ b/arch/arm/mach-exynos/pm.c
@@ -81,6 +81,9 @@ static int exynos_cpu_suspend(unsigned long arg)
 	outer_flush_all();
 #endif
 
+	if (soc_is_exynos5250())
+		flush_cache_all();
+
 	/* issue the standby signal into the pm unit. */
 	cpu_do_idle();