diff options
| author | Philippe Gerum <rpm@xenomai.org> | 2009-10-27 21:05:31 (GMT) |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2009-12-15 05:15:12 (GMT) |
| commit | d2685fb7b4df2850359d6ee297269a285886032d (patch) | |
| tree | fada248782a4bd8e774836ee40ee0bc672bad4a8 /arch/blackfin/include | |
| parent | ab843c7940394584d5ec548f443cb431c0752ca5 (diff) | |
| download | linux-d2685fb7b4df2850359d6ee297269a285886032d.tar.xz | |
Blackfin/ipipe: prepare status bitops for SMP support
Signed-off-by: Philippe Gerum <rpm@xenomai.org>
Signed-off-by: Li Yi <yi.li@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin/include')
| -rw-r--r-- | arch/blackfin/include/asm/ipipe.h | 10 | ||||
| -rw-r--r-- | arch/blackfin/include/asm/ipipe_base.h | 26 |
2 files changed, 9 insertions, 27 deletions
diff --git a/arch/blackfin/include/asm/ipipe.h b/arch/blackfin/include/asm/ipipe.h index 4617ba6..07bd2e6 100644 --- a/arch/blackfin/include/asm/ipipe.h +++ b/arch/blackfin/include/asm/ipipe.h @@ -124,16 +124,6 @@ static inline int __ipipe_check_tickdev(const char *devname) return 1; } -static inline void __ipipe_lock_root(void) -{ - set_bit(IPIPE_SYNCDEFER_FLAG, &ipipe_root_cpudom_var(status)); -} - -static inline void __ipipe_unlock_root(void) -{ - clear_bit(IPIPE_SYNCDEFER_FLAG, &ipipe_root_cpudom_var(status)); -} - void __ipipe_enable_pipeline(void); #define __ipipe_hook_critical_ipi(ipd) do { } while (0) diff --git a/arch/blackfin/include/asm/ipipe_base.h b/arch/blackfin/include/asm/ipipe_base.h index 490098f..0040920 100644 --- a/arch/blackfin/include/asm/ipipe_base.h +++ b/arch/blackfin/include/asm/ipipe_base.h @@ -51,23 +51,15 @@ extern unsigned long __ipipe_root_status; /* Alias to ipipe_root_cpudom_var(status) */ -#define __ipipe_stall_root() \ - do { \ - volatile unsigned long *p = &__ipipe_root_status; \ - set_bit(0, p); \ - } while (0) - -#define __ipipe_test_and_stall_root() \ - ({ \ - volatile unsigned long *p = &__ipipe_root_status; \ - test_and_set_bit(0, p); \ - }) - -#define __ipipe_test_root() \ - ({ \ - const unsigned long *p = &__ipipe_root_status; \ - test_bit(0, p); \ - }) +void __ipipe_stall_root(void); + +unsigned long __ipipe_test_and_stall_root(void); + +unsigned long __ipipe_test_root(void); + +void __ipipe_lock_root(void); + +void __ipipe_unlock_root(void); #endif /* !__ASSEMBLY__ */ |