From f7e152f2b6d9e11c2d8a467504213e69fadb608c Mon Sep 17 00:00:00 2001 From: Richard Zhu Date: Mon, 15 Jun 2015 18:26:37 +0800 Subject: [PATCH] MLK-11115 arm: imx: double check m4 is enabled Make a double check that m4 is enabled and run on imx7d Signed-off-by: Richard Zhu (cherry picked from commit 276fe0947a13c74dad003b0fc3735d389928c1e3) --- arch/arm/mach-imx/src.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/mach-imx/src.c b/arch/arm/mach-imx/src.c index 744135410924..c53b6da411b9 100644 --- a/arch/arm/mach-imx/src.c +++ b/arch/arm/mach-imx/src.c @@ -170,7 +170,7 @@ void __init imx_src_init(void) if (cpu_is_imx7d()) { val = readl_relaxed(src_base + SRC_M4RCR); - if ((val & BIT(3)) == BIT(3)) + if (((val & BIT(3)) == BIT(3)) && !(val & BIT(0))) m4_is_enabled = true; else m4_is_enabled = false; -- 2.17.1