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i2c: i2c-bfin-twi: Always access 16 bit MMR by bfin 16 bit access Macro.

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Otherwise, the compiler may optimize assemble code into 8bit access instruction
when target register is 8 bit width.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
This commit is contained in:
Sonic Zhang 2012-06-05 13:20:06 +08:00 committed by Bob Liu
parent 335dd559b5
commit f794d7ba88
1 changed files with 2 additions and 2 deletions
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4
arch/blackfin/include/asm/bfin_twi.h
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@ -66,9 +66,9 @@ struct bfin_twi_iface {
#define DEFINE_TWI_REG(reg_name, reg) \
static inline u16 read_##reg_name(struct bfin_twi_iface *iface) \
{ return iface->regs_base->reg; } \
{ return bfin_read16(&iface->regs_base->reg); } \
static inline void write_##reg_name(struct bfin_twi_iface *iface, u16 v) \
{ iface->regs_base->reg = v; }
{ bfin_write16(&iface->regs_base->reg, v); }
DEFINE_TWI_REG(CLKDIV, clkdiv)
DEFINE_TWI_REG(CONTROL, control)