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Diffstat (limited to 'arch/csky/include/asm/bitops.h')
-rw-r--r--arch/csky/include/asm/bitops.h11
1 files changed, 4 insertions, 7 deletions
diff --git a/arch/csky/include/asm/bitops.h b/arch/csky/include/asm/bitops.h
index 43b9838bff63..80d67eee6e86 100644
--- a/arch/csky/include/asm/bitops.h
+++ b/arch/csky/include/asm/bitops.h
@@ -1,5 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0 */
-// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
#ifndef __ASM_CSKY_BITOPS_H
#define __ASM_CSKY_BITOPS_H
@@ -10,7 +9,7 @@
/*
* asm-generic/bitops/ffs.h
*/
-static inline int ffs(int x)
+static inline __attribute_const__ int ffs(int x)
{
if (!x)
return 0;
@@ -27,7 +26,7 @@ static inline int ffs(int x)
/*
* asm-generic/bitops/__ffs.h
*/
-static __always_inline unsigned long __ffs(unsigned long x)
+static __always_inline __attribute_const__ unsigned long __ffs(unsigned long x)
{
asm volatile (
"brev %0\n"
@@ -40,7 +39,7 @@ static __always_inline unsigned long __ffs(unsigned long x)
/*
* asm-generic/bitops/fls.h
*/
-static __always_inline int fls(unsigned int x)
+static __always_inline __attribute_const__ int fls(unsigned int x)
{
asm volatile(
"ff1 %0\n"
@@ -53,14 +52,13 @@ static __always_inline int fls(unsigned int x)
/*
* asm-generic/bitops/__fls.h
*/
-static __always_inline unsigned long __fls(unsigned long x)
+static __always_inline __attribute_const__ unsigned long __fls(unsigned long x)
{
return fls(x) - 1;
}
#include <asm-generic/bitops/ffz.h>
#include <asm-generic/bitops/fls64.h>
-#include <asm-generic/bitops/find.h>
#ifndef _LINUX_BITOPS_H
#error only <linux/bitops.h> can be included directly
@@ -75,7 +73,6 @@ static __always_inline unsigned long __fls(unsigned long x)
* bug fix, why only could use atomic!!!!
*/
#include <asm-generic/bitops/non-atomic.h>
-#define __clear_bit(nr, vaddr) clear_bit(nr, vaddr)
#include <asm-generic/bitops/le.h>
#include <asm-generic/bitops/ext2-atomic.h>