s390/atomic: use 'unsigned int' instead of 'unsigned long' for atomic_*_mask()

The type of 'v->counter' is always 'int', and related inline assembly
code also process 'int', so use 'unsigned int' instead of 'unsigned
long' for the 'mask'.

Signed-off-by: Chen Gang <[e-mail]>
Signed-off-by: Heiko Carstens <[e-mail]>
Signed-off-by: Martin Schwidefsky <[e-mail]>

arch/s390/include/asm/atomic.h

···
 #define atomic_dec_return(_v)		atomic_sub_return(1, _v)
 #define atomic_dec_and_test(_v)		(atomic_sub_return(1, _v) == 0)
 
-static inline void atomic_clear_mask(unsigned long mask, atomic_t *v)
+static inline void atomic_clear_mask(unsigned int mask, atomic_t *v)
 {
 	__ATOMIC_LOOP(v, ~mask, __ATOMIC_AND);
 }
 
-static inline void atomic_set_mask(unsigned long mask, atomic_t *v)
+static inline void atomic_set_mask(unsigned int mask, atomic_t *v)
 {
 	__ATOMIC_LOOP(v, mask, __ATOMIC_OR);
 }