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authorBob Liu <lliubbo@gmail.com>2012-01-27 22:10:04 +0800
committerBob Liu <lliubbo@gmail.com>2012-03-21 11:00:08 +0800
commit0db07a905628d7f2952691df40853ffd95ceb097 (patch)
tree71e29ef0fffa436a66912145ab344ec4d9e50b19 /arch/blackfin
parentff4db3b14c30974c4c951772cb4e13b16bd676bb (diff)
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.h44
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__ */