From: Anson Huang Date: Mon, 29 Aug 2016 13:49:57 +0000 (+0800) Subject: ARM: imx: enable WAIT mode hardware workaround for imx6sx X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=6ae44aa651d0d82097cb5379be94e86beade9c7b;p=linux-beck.git ARM: imx: enable WAIT mode hardware workaround for imx6sx Need to enable INT_MEM_CLK_LPM bit in CCM_CGPR for WAIT mode, without this bit set, if there is pending interrupt during ARM platform entering WAIT mode without power gating, cache data will be corrupted, this is a hardware workaround for WAIT mode and must be enabled. Signed-off-by: Anson Huang Signed-off-by: Shawn Guo --- diff --git a/arch/arm/mach-imx/cpuidle-imx6sx.c b/arch/arm/mach-imx/cpuidle-imx6sx.c index 3c6672b3796b..261aaa45ff33 100644 --- a/arch/arm/mach-imx/cpuidle-imx6sx.c +++ b/arch/arm/mach-imx/cpuidle-imx6sx.c @@ -90,6 +90,7 @@ static struct cpuidle_driver imx6sx_cpuidle_driver = { int __init imx6sx_cpuidle_init(void) { + imx6_set_int_mem_clk_lpm(true); imx6_enable_rbc(false); /* * set ARM power up/down timing to the fastest,