@@ -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);
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(+)