ARM: outer cache: add WARN_ON() to outer_disable()

Add WARN_ON() conditions to outer_disable() to ensure that its
requirements aren't violated.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 1 insertions, 5 deletions

diff --git a/arch/arm/include/asm/outercache.h b/arch/arm/include/asm/outercache.h
index 2615b3d9e807..e96f194bf3d4 100644
--- a/arch/arm/include/asm/outercache.h
+++ b/arch/arm/include/asm/outercache.h
@@ -96,11 +96,7 @@ static inline void outer_flush_all(void)
  * cache is pushed out to lower levels of system memory.  The note and
  * conditions above concerning outer_flush_all() applies here.
  */
-static inline void outer_disable(void)
-{
-        if (outer_cache.disable)
-                outer_cache.disable();
-}
+extern void outer_disable(void);
 
 /**
  * outer_resume - restore the cache configuration and re-enable outer cache