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| author | David Daney <david.daney@cavium.com> | 2013-02-26 22:22:33 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2013-05-08 01:19:06 +0200 |
| commit | 301896513971d41d737c904ecf267b6f0ea21d55 (patch) | |
| tree | 482c2508e7db52d399fe3ef9248fa3b295c11394 /arch/mips/lib | |
| parent | 224786779d04bbcd5f61eaafc86bf8fee350388a (diff) | |
| download | linux-stable-301896513971d41d737c904ecf267b6f0ea21d55.tar.gz linux-stable-301896513971d41d737c904ecf267b6f0ea21d55.tar.bz2 linux-stable-301896513971d41d737c904ecf267b6f0ea21d55.zip | |
MIPS: Remove unneeded volatile from arch/mips/lib/bitops.c
The operations on the bitmap pointers are protected by "memory"
clobbering raw_local_irq_{save,restore}(), so there is no need for
volatile here. By removing the volatile we get better code generation
out of the compiler.
Signed-off-by: David Daney <david.daney@cavium.com>
Patchwork: http://patchwork.linux-mips.org/patch/4966/
Acked-by: John Crispin <blogic@openwrt.org>
Diffstat (limited to 'arch/mips/lib')
| -rw-r--r-- | arch/mips/lib/bitops.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/mips/lib/bitops.c b/arch/mips/lib/bitops.c index a64daee740ee..3b2a1e78a543 100644 --- a/arch/mips/lib/bitops.c +++ b/arch/mips/lib/bitops.c @@ -19,7 +19,7 @@ */ void __mips_set_bit(unsigned long nr, volatile unsigned long *addr) { - volatile unsigned long *a = addr; + unsigned long *a = (unsigned long *)addr; unsigned bit = nr & SZLONG_MASK; unsigned long mask; unsigned long flags; @@ -41,7 +41,7 @@ EXPORT_SYMBOL(__mips_set_bit); */ void __mips_clear_bit(unsigned long nr, volatile unsigned long *addr) { - volatile unsigned long *a = addr; + unsigned long *a = (unsigned long *)addr; unsigned bit = nr & SZLONG_MASK; unsigned long mask; unsigned long flags; @@ -63,7 +63,7 @@ EXPORT_SYMBOL(__mips_clear_bit); */ void __mips_change_bit(unsigned long nr, volatile unsigned long *addr) { - volatile unsigned long *a = addr; + unsigned long *a = (unsigned long *)addr; unsigned bit = nr & SZLONG_MASK; unsigned long mask; unsigned long flags; @@ -86,7 +86,7 @@ EXPORT_SYMBOL(__mips_change_bit); int __mips_test_and_set_bit(unsigned long nr, volatile unsigned long *addr) { - volatile unsigned long *a = addr; + unsigned long *a = (unsigned long *)addr; unsigned bit = nr & SZLONG_MASK; unsigned long mask; unsigned long flags; @@ -112,7 +112,7 @@ EXPORT_SYMBOL(__mips_test_and_set_bit); int __mips_test_and_set_bit_lock(unsigned long nr, volatile unsigned long *addr) { - volatile unsigned long *a = addr; + unsigned long *a = (unsigned long *)addr; unsigned bit = nr & SZLONG_MASK; unsigned long mask; unsigned long flags; @@ -137,7 +137,7 @@ EXPORT_SYMBOL(__mips_test_and_set_bit_lock); */ int __mips_test_and_clear_bit(unsigned long nr, volatile unsigned long *addr) { - volatile unsigned long *a = addr; + unsigned long *a = (unsigned long *)addr; unsigned bit = nr & SZLONG_MASK; unsigned long mask; unsigned long flags; @@ -162,7 +162,7 @@ EXPORT_SYMBOL(__mips_test_and_clear_bit); */ int __mips_test_and_change_bit(unsigned long nr, volatile unsigned long *addr) { - volatile unsigned long *a = addr; + unsigned long *a = (unsigned long *)addr; unsigned bit = nr & SZLONG_MASK; unsigned long mask; unsigned long flags; |