[PATCH] Remove casts from atomic macros

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The atomic operations on parisc are defined as macros. The macros
includes casts which disallows the use of some syntax elements and
produces error like this:

net/phonet/pep.c: In function 'pipe_rcv_status':
net/phonet/pep.c:262: error: lvalue required as left operand of assignment

The patch removes this superfluous casts.

Signed-off-by: Bastian Blank <waldi@xxxxxxxxxx>

diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h
index edbfe25..43e101b 100644
--- a/arch/parisc/include/asm/atomic.h
+++ b/arch/parisc/include/asm/atomic.h
@@ -222,13 +222,13 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u)
 
 #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
 
-#define atomic_add(i,v)	((void)(__atomic_add_return( ((int)i),(v))))
-#define atomic_sub(i,v)	((void)(__atomic_add_return(-((int)i),(v))))
+#define atomic_add(i,v)	((void)(__atomic_add_return( (i),(v))))
+#define atomic_sub(i,v)	((void)(__atomic_add_return(-(i),(v))))
 #define atomic_inc(v)	((void)(__atomic_add_return(   1,(v))))
 #define atomic_dec(v)	((void)(__atomic_add_return(  -1,(v))))
 
-#define atomic_add_return(i,v)	(__atomic_add_return( ((int)i),(v)))
-#define atomic_sub_return(i,v)	(__atomic_add_return(-((int)i),(v)))
+#define atomic_add_return(i,v)	(__atomic_add_return( (i),(v)))
+#define atomic_sub_return(i,v)	(__atomic_add_return(-(i),(v)))
 #define atomic_inc_return(v)	(__atomic_add_return(   1,(v)))
 #define atomic_dec_return(v)	(__atomic_add_return(  -1,(v)))
 
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