From: Inderpal Singh <inderpal.singh@samsung.com>
Date: Thu, 22 Nov 2012 05:46:27 +0000 (+0900)
Subject: ARM: EXYNOS: Fix soft reboot hang after suspend/resume
X-Git-Tag: firefly_0821_release~3680^2~1477^2~2^2~2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ebee8541475f2f70d9035265f059570d2f701d5f;p=firefly-linux-kernel-4.4.55.git

ARM: EXYNOS: Fix soft reboot hang after suspend/resume

Upon wake-up, clear the sleep mode set in INFORM1 register.

Signed-off-by: Inderpal Singh <inderpal.singh@samsung.com>
Tested-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 c06c992943a1..8dedeb237924 100644
--- a/arch/arm/mach-exynos/pm.c
+++ b/arch/arm/mach-exynos/pm.c
@@ -312,6 +312,10 @@ static void exynos_pm_resume(void)
 	}
 
 early_wakeup:
+
+	/* Clear SLEEP mode set in INFORM1 */
+	__raw_writel(0x0, S5P_INFORM1);
+
 	return;
 }