diff mbox

arm: berlin: remove non-necessary flush_cache_all()

Message ID 20180507154413.5ca0838a@xhacker.debian (mailing list archive)
State New, archived
Headers show

Commit Message

Jisheng Zhang May 7, 2018, 7:44 a.m. UTC 
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 flush_cache_all()
here is a duplication of the one in scu_enable(), remove it.

Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
---
 arch/arm/mach-berlin/platsmp.c | 1 -
 1 file changed, 1 deletion(-)
diff mbox

Patch

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