From: 黄涛 <huangtao@rock-chips.com>
Date: Tue, 15 Mar 2011 11:43:18 +0000 (+0800)
Subject: rk29: pm: rk29_idle just restore CRU_MODE_CON, arm may run slow mode before enter... 
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3da6a3c9cef59496e4aa8d6d242cc427ac4e5ccf;p=firefly-linux-kernel-4.4.55.git

rk29: pm: rk29_idle just restore CRU_MODE_CON, arm may run slow mode before enter idle
---

diff --git a/arch/arm/mach-rk29/pm.c b/arch/arm/mach-rk29/pm.c
index a65a4d7a639e..d41112c9c251 100644
--- a/arch/arm/mach-rk29/pm.c
+++ b/arch/arm/mach-rk29/pm.c
@@ -335,7 +335,7 @@ static void rk29_idle(void)
 			u32 mode_con = cru_readl(CRU_MODE_CON);
 			cru_writel((mode_con & ~CRU_CPU_MODE_MASK) | CRU_CPU_MODE_SLOW, CRU_MODE_CON);
 			arch_idle();
-			cru_writel((mode_con & ~CRU_CPU_MODE_MASK) | CRU_CPU_MODE_NORMAL, CRU_MODE_CON);
+			cru_writel(mode_con, CRU_MODE_CON);
 		} else {
 			arch_idle();
 		}