diff options
Diffstat (limited to 'arch/blackfin/include/asm/processor.h')
-rw-r--r-- | arch/blackfin/include/asm/processor.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/blackfin/include/asm/processor.h b/arch/blackfin/include/asm/processor.h index e3e9b41fa8d..30703c75030 100644 --- a/arch/blackfin/include/asm/processor.h +++ b/arch/blackfin/include/asm/processor.h @@ -106,7 +106,8 @@ unsigned long get_wchan(struct task_struct *p); eip; }) #define KSTK_ESP(tsk) ((tsk) == current ? rdusp() : (tsk)->thread.usp) -#define cpu_relax() barrier() +#define cpu_relax() smp_mb() + /* Get the Silicon Revision of the chip */ static inline uint32_t __pure bfin_revid(void) @@ -137,7 +138,11 @@ static inline uint32_t __pure bfin_revid(void) static inline uint16_t __pure bfin_cpuid(void) { return (bfin_read_CHIPID() & CHIPID_FAMILY) >> 12; +} +static inline uint32_t __pure bfin_dspid(void) +{ + return bfin_read_DSPID(); } static inline uint32_t __pure bfin_compiled_revid(void) |