From e03b48098ed8729e643b8d9b13a5b250fc403ad2 Mon Sep 17 00:00:00 2001 From: Jisheng Zhang Date: Mon, 7 May 2018 15:28:06 +0800 Subject: [PATCH] arm: berlin: remove non-necessary flush_cache_all() I believe the flush_cache_all() after scu_enable() is to "Ensure that the data accessed by CPU0 before the SCU was initialised is visible to the other CPUs." as commented in scu_enable(). So here flush_cache_all() is a duplication, remove it. Signed-off-by: Jisheng Zhang --- arch/arm/mach-berlin/platsmp.c | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/arm/mach-berlin/platsmp.c b/arch/arm/mach-berlin/platsmp.c index 7586b7aec272..a8ae4a566d99 100644 --- a/arch/arm/mach-berlin/platsmp.c +++ b/arch/arm/mach-berlin/platsmp.c @@ -81,7 +81,6 @@ static void __init berlin_smp_prepare_cpus(unsigned int max_cpus) goto unmap_scu; scu_enable(scu_base); - flush_cache_all(); /* * Write the first instruction the CPU will execute after being reset