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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>
authored by
Tiezhu Yang
and committed by
Thomas Bogendoerfer
8e6ec6ce
06689517
+4
-12
+2
-8
arch/mips/lib/bswapdi.c
+2
-8
arch/mips/lib/bswapdi.c
···
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1
// SPDX-License-Identifier: GPL-2.0
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#include <linux/export.h>
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#include <linux/compiler.h>
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+
#include <uapi/linux/swab.h>
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/* To silence -Wmissing-prototypes. */
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unsigned long long __bswapdi2(unsigned long long u);
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unsigned long long notrace __bswapdi2(unsigned long long u)
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{
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return (((u) & 0xff00000000000000ull) >> 56) |
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(((u) & 0x00ff000000000000ull) >> 40) |
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(((u) & 0x0000ff0000000000ull) >> 24) |
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(((u) & 0x000000ff00000000ull) >> 8) |
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(((u) & 0x00000000ff000000ull) << 8) |
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(((u) & 0x0000000000ff0000ull) << 24) |
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(((u) & 0x000000000000ff00ull) << 40) |
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(((u) & 0x00000000000000ffull) << 56);
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return ___constant_swab64(u);
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}
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EXPORT_SYMBOL(__bswapdi2);
+2
-4
arch/mips/lib/bswapsi.c
+2
-4
arch/mips/lib/bswapsi.c
···
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1
// SPDX-License-Identifier: GPL-2.0
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#include <linux/export.h>
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#include <linux/compiler.h>
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#include <uapi/linux/swab.h>
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/* To silence -Wmissing-prototypes. */
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unsigned int __bswapsi2(unsigned int u);
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unsigned int notrace __bswapsi2(unsigned int u)
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{
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return (((u) & 0xff000000) >> 24) |
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(((u) & 0x00ff0000) >> 8) |
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(((u) & 0x0000ff00) << 8) |
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(((u) & 0x000000ff) << 24);
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return ___constant_swab32(u);
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}
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EXPORT_SYMBOL(__bswapsi2);