locking/atomics/openrisc: Don't pull in all of <linux/bitops.h> in <asm/cmpxchg.h>
The openrisc implementation of <asm/cmpxchg.h> pulls in <linux/bitops.h>, so that it can refer to BITS_PER_BYTE. It also transitively relies on this pulling in <linux/compiler.h> for READ_ONCE(). Replace the #include with <linux/bits.h> and <linux/compiler.h>. Signed-off-by: NWill Deacon <will.deacon@arm.com> Acked-by: NPeter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-arm-kernel@lists.infradead.org Cc: yamada.masahiro@socionext.com Link: https://lore.kernel.org/lkml/1529412794-17720-5-git-send-email-will.deacon@arm.comSigned-off-by: NIngo Molnar <mingo@kernel.org>
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