Blackfin: add bfin_write_{or,and} helpers
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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@ -58,14 +58,26 @@
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({ BUG(); 0; }); \
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})
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#define bfin_write(addr, val) \
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({ \
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do { \
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switch (sizeof(*(addr))) { \
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case 1: bfin_write8(addr, val); break; \
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case 2: bfin_write16(addr, val); break; \
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case 4: bfin_write32(addr, val); break; \
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default: BUG(); \
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} \
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})
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} while (0)
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#define bfin_write_or(addr, bits) \
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do { \
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void *__addr = (void *)(addr); \
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bfin_write(__addr, bfin_read(__addr) | (bits)); \
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} while (0)
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#define bfin_write_and(addr, bits) \
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do { \
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void *__addr = (void *)(addr); \
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bfin_write(__addr, bfin_read(__addr) & (bits)); \
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} while (0)
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#endif /* __ASSEMBLY__ */
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