From b5fc12df9039a9e6a2c5ae1fc0cee244b6aca8e2 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Tue, 11 Jan 2011 16:33:15 +0000 Subject: Blackfin: add bfin_write_{or,and} helpers Signed-off-by: Mike Frysinger --- arch/blackfin/include/asm/def_LPBlackfin.h | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) (limited to 'arch') diff --git a/arch/blackfin/include/asm/def_LPBlackfin.h b/arch/blackfin/include/asm/def_LPBlackfin.h index e3f0f4c..7600fe0 100644 --- a/arch/blackfin/include/asm/def_LPBlackfin.h +++ b/arch/blackfin/include/asm/def_LPBlackfin.h @@ -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__ */ -- cgit v1.1