Commit b5fc12df authored by Mike Frysinger's avatar Mike Frysinger
Browse files

Blackfin: add bfin_write_{or,and} helpers 



Signed-off-by: default avatarMike Frysinger <vapier@gentoo.org>
parent 4c131c8c

arch/blackfin/include/asm/def_LPBlackfin.h

+14 −2
Original line number Diff line number Diff line
@@ -58,14 +58,26 @@ 
    ({ BUG(); 0; }); \

})

#define bfin_write(addr, val) \

({ \

do { \

	switch (sizeof(*(addr))) { \

	case 1: bfin_write8(addr, val);  break; \

	case 2: bfin_write16(addr, val); break; \

	case 4: bfin_write32(addr, val); break; \

	default: BUG(); \

	} \

})

} while (0)



#define bfin_write_or(addr, bits) \

do { \

	void *__addr = (void *)(addr); \

	bfin_write(__addr, bfin_read(__addr) | (bits)); \

} while (0)



#define bfin_write_and(addr, bits) \

do { \

	void *__addr = (void *)(addr); \

	bfin_write(__addr, bfin_read(__addr) & (bits)); \

} while (0)



#endif /* __ASSEMBLY__ */