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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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>
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+19
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arch/blackfin/include/asm/blackfin.h
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-23
arch/blackfin/include/asm/blackfin.h
···
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static inline void SSYNC(void)
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{
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int _tmp;
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-
if (ANOMALY_05000312)
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+
if (ANOMALY_05000312 || ANOMALY_05000244)
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__asm__ __volatile__(
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"cli %0;"
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"nop;"
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"nop;"
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"nop;"
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"ssync;"
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"sti %0;"
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: "=d" (_tmp)
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-
);
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else if (ANOMALY_05000244)
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-
__asm__ __volatile__(
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"nop;"
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"nop;"
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"nop;"
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"ssync;"
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);
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else
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__asm__ __volatile__("ssync;");
···
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static inline void CSYNC(void)
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{
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int _tmp;
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if (ANOMALY_05000312)
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+
if (ANOMALY_05000312 || ANOMALY_05000244)
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__asm__ __volatile__(
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"cli %0;"
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+
"nop;"
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"nop;"
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"nop;"
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"csync;"
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"sti %0;"
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: "=d" (_tmp)
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-
);
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else if (ANOMALY_05000244)
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-
__asm__ __volatile__(
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"nop;"
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"nop;"
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"nop;"
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"csync;"
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);
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else
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__asm__ __volatile__("csync;");
···
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#define ssync(x) SSYNC(x)
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#define csync(x) CSYNC(x)
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-
#if ANOMALY_05000312
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#define SSYNC(scratch) cli scratch; nop; nop; SSYNC; sti scratch;
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#define CSYNC(scratch) cli scratch; nop; nop; CSYNC; sti scratch;
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#if ANOMALY_05000312 || ANOMALY_05000244
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+
#define SSYNC(scratch) \
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do { \
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cli scratch; \
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nop; nop; nop; \
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SSYNC; \
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sti scratch; \
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} while (0)
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-
#elif ANOMALY_05000244
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#define SSYNC(scratch) nop; nop; nop; SSYNC;
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#define CSYNC(scratch) nop; nop; nop; CSYNC;
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+
#define CSYNC(scratch) \
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do { \
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cli scratch; \
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nop; nop; nop; \
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CSYNC; \
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sti scratch; \
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+
} while (0)
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#else
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#define SSYNC(scratch) SSYNC;
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#define CSYNC(scratch) CSYNC;
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-
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#endif /* ANOMALY_05000312 & ANOMALY_05000244 handling */
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#endif /* __ASSEMBLY__ */