diff options
| author | Tiezhu Yang <yangtiezhu@loongson.cn> | 2022-09-29 15:39:58 +0800 |
|---|---|---|
| committer | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2022-09-30 16:50:00 +0200 |
| commit | 8e6ec6ce02b5a58f01099118ddfed71d3f657b1c (patch) | |
| tree | a64711f387b6254a9cd41c24072f277a1b3b76cb /arch/mips | |
| parent | 0668951705d356d77c8263010c7ae59e78fdb2c6 (diff) | |
MIPS: Simplify __bswapdi2() and __bswapsi2()
Use macro definitions ___constant_swab64 and ___constant_swab32
to simplify __bswapdi2() and __bswapsi2().
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/lib/bswapdi.c | 10 | ||||
| -rw-r--r-- | arch/mips/lib/bswapsi.c | 6 |
2 files changed, 4 insertions, 12 deletions
diff --git a/arch/mips/lib/bswapdi.c b/arch/mips/lib/bswapdi.c index 1d020e1c96a0..88242dc7de17 100644 --- a/arch/mips/lib/bswapdi.c +++ b/arch/mips/lib/bswapdi.c @@ -1,19 +1,13 @@ // SPDX-License-Identifier: GPL-2.0 #include <linux/export.h> #include <linux/compiler.h> +#include <uapi/linux/swab.h> /* To silence -Wmissing-prototypes. */ unsigned long long __bswapdi2(unsigned long long u); unsigned long long notrace __bswapdi2(unsigned long long u) { - return (((u) & 0xff00000000000000ull) >> 56) | - (((u) & 0x00ff000000000000ull) >> 40) | - (((u) & 0x0000ff0000000000ull) >> 24) | - (((u) & 0x000000ff00000000ull) >> 8) | - (((u) & 0x00000000ff000000ull) << 8) | - (((u) & 0x0000000000ff0000ull) << 24) | - (((u) & 0x000000000000ff00ull) << 40) | - (((u) & 0x00000000000000ffull) << 56); + return ___constant_swab64(u); } EXPORT_SYMBOL(__bswapdi2); diff --git a/arch/mips/lib/bswapsi.c b/arch/mips/lib/bswapsi.c index 02d9df489197..2ed655497de5 100644 --- a/arch/mips/lib/bswapsi.c +++ b/arch/mips/lib/bswapsi.c @@ -1,15 +1,13 @@ // SPDX-License-Identifier: GPL-2.0 #include <linux/export.h> #include <linux/compiler.h> +#include <uapi/linux/swab.h> /* To silence -Wmissing-prototypes. */ unsigned int __bswapsi2(unsigned int u); unsigned int notrace __bswapsi2(unsigned int u) { - return (((u) & 0xff000000) >> 24) | - (((u) & 0x00ff0000) >> 8) | - (((u) & 0x0000ff00) << 8) | - (((u) & 0x000000ff) << 24); + return ___constant_swab32(u); } EXPORT_SYMBOL(__bswapsi2); |