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sparc32: make __cmpxchg_u32() return u32

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Conversion between u32 and unsigned long is tautological there,
and the only use of return value is to return it from
__cmpxchg() (which return unsigned long).

Get rid of explicit casts in __cmpxchg_u32() call, while we are
at it - normal conversions for arguments will do just fine.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Al Viro
2024-04-01 21:58:50 -04:00
committed by Paul E. McKenney
parent 39cd87c4eb
commit 2f528020a2
2 changed files with 4 additions and 4 deletions
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4
arch/sparc/lib/atomic32.c
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@@ -159,7 +159,7 @@ unsigned long sp32___change_bit(unsigned long *addr, unsigned long mask)
}
EXPORT_SYMBOL(sp32___change_bit);
unsigned long __cmpxchg_u32(volatile u32 *ptr, u32 old, u32 new)
u32 __cmpxchg_u32(volatile u32 *ptr, u32 old, u32 new)
{
unsigned long flags;
u32 prev;
@@ -169,7 +169,7 @@ unsigned long __cmpxchg_u32(volatile u32 *ptr, u32 old, u32 new)
*ptr = new;
spin_unlock_irqrestore(ATOMIC_HASH(ptr), flags);
return (unsigned long)prev;
return prev;
}
EXPORT_SYMBOL(__cmpxchg_u32);