If we are built with D-CACHE enabled but have run 'dcache off' and then attempt to flush unaligned regions we spam the console with problems that aren't true (as the cache was off).
Signed-off-by: Tom Rini trini@ti.com --- arch/arm/cpu/armv7/cache_v7.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/arch/arm/cpu/armv7/cache_v7.c b/arch/arm/cpu/armv7/cache_v7.c index 1b4e808..1c0f5b0 100644 --- a/arch/arm/cpu/armv7/cache_v7.c +++ b/arch/arm/cpu/armv7/cache_v7.c @@ -250,6 +250,9 @@ static void v7_inval_tlb(void)
void invalidate_dcache_all(void) { + if (!dcache_status()) + return; + v7_maint_dcache_all(ARMV7_DCACHE_INVAL_ALL);
v7_outer_cache_inval_all(); @@ -261,6 +264,9 @@ void invalidate_dcache_all(void) */ void flush_dcache_all(void) { + if (!dcache_status()) + return; + v7_maint_dcache_all(ARMV7_DCACHE_CLEAN_INVAL_ALL);
v7_outer_cache_flush_all(); @@ -272,6 +278,8 @@ void flush_dcache_all(void) */ void invalidate_dcache_range(unsigned long start, unsigned long stop) { + if (!dcache_status()) + return;
v7_dcache_maint_range(start, stop, ARMV7_DCACHE_INVAL_RANGE);
@@ -285,6 +293,9 @@ void invalidate_dcache_range(unsigned long start, unsigned long stop) */ void flush_dcache_range(unsigned long start, unsigned long stop) { + if (!dcache_status()) + return; + v7_dcache_maint_range(start, stop, ARMV7_DCACHE_CLEAN_INVAL_RANGE);
v7_outer_cache_flush_range(start, stop);