diff options
Diffstat (limited to 'arch/blackfin')
| -rw-r--r-- | arch/blackfin/include/asm/def_LPBlackfin.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/def_LPBlackfin.h b/arch/blackfin/include/asm/def_LPBlackfin.h index f342ff0319df..4e562850021c 100644 --- a/arch/blackfin/include/asm/def_LPBlackfin.h +++ b/arch/blackfin/include/asm/def_LPBlackfin.h @@ -50,6 +50,23 @@ #define bfin_write16(addr, val) _bfin_writeX(addr, val, 16, w) #define bfin_write32(addr, val) _bfin_writeX(addr, val, 32, ) +#define bfin_read(addr) \ +({ \ + sizeof(*(addr)) == 1 ? bfin_read8(addr) : \ + sizeof(*(addr)) == 2 ? bfin_read16(addr) : \ + sizeof(*(addr)) == 4 ? bfin_read32(addr) : \ + ({ BUG(); 0; }); \ +}) +#define bfin_write(addr, val) \ +({ \ + 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(); \ + } \ +}) + #endif /* __ASSEMBLY__ */ /************************************************** |