From: Shawn Guo Date: Fri, 30 Dec 2011 08:16:07 +0000 (+0800) Subject: ARM: imx6: fix v7_invalidate_l1 by adding I-Cache invalidation X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=5b2acf384c8a8707d32a98106192ee7187e4446d;p=linux-beck.git ARM: imx6: fix v7_invalidate_l1 by adding I-Cache invalidation The recent suspend/resume and reset testing on imx6q discovers that not only D-Cache but also I-Cache has random data and validity when the core comes out of a power recycle. This patch adds I-Cache invalidation into v7_invalidate_l1 to make sure both D-Cache and I-Cache invalidated on power-up. Signed-off-by: Shawn Guo --- diff --git a/arch/arm/mach-imx/head-v7.S b/arch/arm/mach-imx/head-v7.S index 6229efbc70cb..c844112061be 100644 --- a/arch/arm/mach-imx/head-v7.S +++ b/arch/arm/mach-imx/head-v7.S @@ -33,6 +33,7 @@ */ ENTRY(v7_invalidate_l1) mov r0, #0 + mcr p15, 0, r0, c7, c5, 0 @ invalidate I cache mcr p15, 2, r0, c0, c0, 0 mrc p15, 1, r0, c0, c0, 0