From 6b065f75095cddb9e63a4fb092abf19cb61d48ee Mon Sep 17 00:00:00 2001 From: Mahesh Mahadevan Date: Fri, 16 Dec 2011 06:39:38 -0600 Subject: [PATCH] ENGR00170508 Need to zero REG_BYPASS_CNT on exit from STOP mode Per e-mail from design team, the count needs to be zeroed and reconfigured on exit from low power mode Signed-off-by: Mahesh Mahadevan --- arch/arm/mach-mx6/pm.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/mach-mx6/pm.c b/arch/arm/mach-mx6/pm.c index bdf337144554..381cc1d7a573 100644 --- a/arch/arm/mach-mx6/pm.c +++ b/arch/arm/mach-mx6/pm.c @@ -161,6 +161,10 @@ static void mx6_suspend_restore(void) /* restore settings after suspend */ __raw_writel(anatop[0], anatop_base + ANATOP_REG_2P5_OFFSET); __raw_writel(anatop[1], anatop_base + ANATOP_REG_CORE_OFFSET); + /* Per spec, the count needs to be zeroed and reconfigured on exit from + * low power mode + */ + __raw_writel(ccm_ccr & ~MXC_CCM_CCR_REG_BYPASS_CNT_MASK, MXC_CCM_CCR); udelay(50); __raw_writel(ccm_ccr, MXC_CCM_CCR); __raw_writel(ccm_clpcr, MXC_CCM_CLPCR); -- 2.39.5