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MIPS: Consolidate all CONFIG_CPU_HAS_LLSC use in a single C file.

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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2009-09-17 02:25:05 +02:00
parent 6eb10bc9e2
commit f4c6b6bc5a
4 changed files with 12 additions and 9 deletions
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12
arch/mips/include/asm/system.h
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@ -63,11 +63,23 @@ do { \
#define __mips_mt_fpaff_switch_to(prev) do { (void) (prev); } while (0)
#endif
#ifdef CONFIG_CPU_HAS_LLSC
#define __clear_software_ll_bit() do { } while (0)
#else
extern unsigned long ll_bit;
#define __clear_software_ll_bit() \
do { \
ll_bit = 0; \
} while (0)
#endif
#define switch_to(prev, next, last) \
do { \
__mips_mt_fpaff_switch_to(prev); \
if (cpu_has_dsp) \
__save_dsp(prev); \
__clear_software_ll_bit(); \
(last) = resume(prev, next, task_thread_info(next)); \
} while (0)