From 5407735935359c6c7f6accc0b3839550107dced3 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Sun, 17 Jan 2016 10:13:17 +0900 Subject: ARM: uniphier: factor out outer cache sync as a helper function Avoid repeating the same code. Signed-off-by: Masahiro Yamada --- arch/arm/mach-uniphier/cache_uniphier.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) (limited to 'arch') diff --git a/arch/arm/mach-uniphier/cache_uniphier.c b/arch/arm/mach-uniphier/cache_uniphier.c index 4a79966659..6c773161ba 100644 --- a/arch/arm/mach-uniphier/cache_uniphier.c +++ b/arch/arm/mach-uniphier/cache_uniphier.c @@ -11,6 +11,12 @@ #include "ssc-regs.h" #ifdef CONFIG_UNIPHIER_L2CACHE_ON +static void uniphier_cache_sync(void) +{ + writel(SSCOPE_CM_SYNC, SSCOPE); /* drain internal buffers */ + readl(SSCOPE); /* need a read back to confirm */ +} + static void uniphier_cache_maint_all(u32 operation) { /* try until the command is successfully set */ @@ -25,8 +31,7 @@ static void uniphier_cache_maint_all(u32 operation) /* clear the complete notification flag */ writel(SSCOLPQS_EF, SSCOLPQS); - writel(SSCOPE_CM_SYNC, SSCOPE); /* drain internal buffers */ - readl(SSCOPE); /* need a read back to confirm */ + uniphier_cache_sync(); } void v7_outer_cache_flush_all(void) @@ -90,8 +95,7 @@ static void uniphier_cache_maint_range(u32 start, u32 end, u32 operation) size -= chunk_size; } - writel(SSCOPE_CM_SYNC, SSCOPE); /* drain internal buffers */ - readl(SSCOPE); /* need a read back to confirm */ + uniphier_cache_sync(); } void v7_outer_cache_flush_range(u32 start, u32 end) -- cgit