From f3ec471a9832f8365836d70db4d52db9cc4dd6b1 Mon Sep 17 00:00:00 2001 From: Jens Freimann Date: Thu, 16 Mar 2017 17:45:40 +0100 Subject: [PATCH] s390/bitops: add test_and_clear_bit_inv() This patch adds a MSB0 bit numbering version of test_and_clear_bit(). Signed-off-by: Jens Freimann Signed-off-by: Michael Mueller Reviewed-by: Pierre Morel Reviewed-by: Halil Pasic Reviewed-by: Christian Borntraeger Reviewed-by: David Hildenbrand Reviewed-by: Cornelia Huck Acked-by: Martin Schwidefsky Signed-off-by: Christian Borntraeger --- arch/s390/include/asm/bitops.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/s390/include/asm/bitops.h b/arch/s390/include/asm/bitops.h index 31e400c1a1f3..86e5b2fdee3c 100644 --- a/arch/s390/include/asm/bitops.h +++ b/arch/s390/include/asm/bitops.h @@ -261,6 +261,11 @@ static inline void clear_bit_inv(unsigned long nr, volatile unsigned long *ptr) return clear_bit(nr ^ (BITS_PER_LONG - 1), ptr); } +static inline int test_and_clear_bit_inv(unsigned long nr, volatile unsigned long *ptr) +{ + return test_and_clear_bit(nr ^ (BITS_PER_LONG - 1), ptr); +} + static inline void __set_bit_inv(unsigned long nr, volatile unsigned long *ptr) { return __set_bit(nr ^ (BITS_PER_LONG - 1), ptr); -- 2.30.2