[ARM] Use unsigned long not u32 in atomic_cmpxchg

Since atomic.h does not include types.h, u32 may not be defined.
Since atomics are supposed to work on unsigned long quantities,
use unsigned long instead.

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

1 files changed, 1 insertions, 1 deletions

diff --git a/include/asm-arm/atomic.h b/include/asm-arm/atomic.h
index d8ba0a9eb085..d586f65c8228 100644
--- a/include/asm-arm/atomic.h
+++ b/include/asm-arm/atomic.h
@@ -83,7 +83,7 @@ static inline int atomic_sub_return(int i, atomic_t *v)
 
 static inline int atomic_cmpxchg(atomic_t *ptr, int old, int new)
 {
-        u32 oldval, res;
+        unsigned long oldval, res;
 
         do {
                 __asm__ __volatile__("@ atomic_cmpxchg\n"