diff options
| author | Bob Liu <lliubbo@gmail.com> | 2012-01-27 22:10:04 +0800 |
|---|---|---|
| committer | Bob Liu <lliubbo@gmail.com> | 2012-03-21 11:00:08 +0800 |
| commit | 0db07a905628d7f2952691df40853ffd95ceb097 (patch) | |
| tree | 71e29ef0fffa436a66912145ab344ec4d9e50b19 /arch/blackfin | |
| parent | ff4db3b14c30974c4c951772cb4e13b16bd676bb (diff) | |
| download | linux-0db07a905628d7f2952691df40853ffd95ceb097.tar.gz | |
blackfin: cleanup anomaly workarounds
cleanup ANOMALY_05000312 and ANOMALY_05000244 Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
Diffstat (limited to 'arch/blackfin')
| -rw-r--r-- | arch/blackfin/include/asm/blackfin.h | 44 |
1 files changed, 20 insertions, 24 deletions
diff --git a/arch/blackfin/include/asm/blackfin.h b/arch/blackfin/include/asm/blackfin.h index 0928700b6bc4..7be5368c0512 100644 --- a/arch/blackfin/include/asm/blackfin.h +++ b/arch/blackfin/include/asm/blackfin.h @@ -17,22 +17,16 @@ static inline void SSYNC(void) { int _tmp; - if (ANOMALY_05000312) + if (ANOMALY_05000312 || ANOMALY_05000244) __asm__ __volatile__( "cli %0;" "nop;" "nop;" + "nop;" "ssync;" "sti %0;" : "=d" (_tmp) ); - else if (ANOMALY_05000244) - __asm__ __volatile__( - "nop;" - "nop;" - "nop;" - "ssync;" - ); else __asm__ __volatile__("ssync;"); } @@ -41,22 +35,16 @@ static inline void SSYNC(void) static inline void CSYNC(void) { int _tmp; - if (ANOMALY_05000312) + if (ANOMALY_05000312 || ANOMALY_05000244) __asm__ __volatile__( "cli %0;" "nop;" "nop;" + "nop;" "csync;" "sti %0;" : "=d" (_tmp) ); - else if (ANOMALY_05000244) - __asm__ __volatile__( - "nop;" - "nop;" - "nop;" - "csync;" - ); else __asm__ __volatile__("csync;"); } @@ -73,18 +61,26 @@ static inline void CSYNC(void) #define ssync(x) SSYNC(x) #define csync(x) CSYNC(x) -#if ANOMALY_05000312 -#define SSYNC(scratch) cli scratch; nop; nop; SSYNC; sti scratch; -#define CSYNC(scratch) cli scratch; nop; nop; CSYNC; sti scratch; - -#elif ANOMALY_05000244 -#define SSYNC(scratch) nop; nop; nop; SSYNC; -#define CSYNC(scratch) nop; nop; nop; CSYNC; +#if ANOMALY_05000312 || ANOMALY_05000244 +#define SSYNC(scratch) \ +do { \ + cli scratch; \ + nop; nop; nop; \ + SSYNC; \ + sti scratch; \ +} while (0) + +#define CSYNC(scratch) \ +do { \ + cli scratch; \ + nop; nop; nop; \ + CSYNC; \ + sti scratch; \ +} while (0) #else #define SSYNC(scratch) SSYNC; #define CSYNC(scratch) CSYNC; - #endif /* ANOMALY_05000312 & ANOMALY_05000244 handling */ #endif /* __ASSEMBLY__ */ |