diff options
| author |   Sonic Zhang <sonic.zhang@analog.com> | 2014-01-28 16:55:22 +0800 |
|---|---|---|
| committer |   Wolfram Sang <wsa@the-dreams.de> | 2014-03-09 08:41:18 +0100 |
| commit | 5029a22a45056603497c82445db9dd203b050e82 (patch) | |
| tree | 0e49bbd4a91d9a2c3508d7b928e0e0c93dc726ba /arch/blackfin/include/asm/bfin_twi.h | |
| parent | i2c: bfin-twi: move bits macros and structs in header from arch include to generic include (diff) | |
| download | linux-dev-5029a22a45056603497c82445db9dd203b050e82.tar.xz linux-dev-5029a22a45056603497c82445db9dd203b050e82.zip | |
i2c: bfin-twi: remove unnecessary Blackfin SSYNC from the driver
Put necessary SSYNC code into blackfin twi arch header. The generic TWI
driver should not contain any architecture specific code.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'arch/blackfin/include/asm/bfin_twi.h')
| -rw-r--r-- | arch/blackfin/include/asm/bfin_twi.h | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/arch/blackfin/include/asm/bfin_twi.h b/arch/blackfin/include/asm/bfin_twi.h index 34cc395f8b77..aaa0834d34aa 100644 --- a/arch/blackfin/include/asm/bfin_twi.h +++ b/arch/blackfin/include/asm/bfin_twi.h @@ -18,7 +18,6 @@ static inline void write_##reg_name(struct bfin_twi_iface *iface, u16 v) \ { bfin_write16(&iface->regs_base->reg, v); } DEFINE_TWI_REG(CLKDIV, clkdiv) -DEFINE_TWI_REG(CONTROL, control) DEFINE_TWI_REG(SLAVE_CTL, slave_ctl) DEFINE_TWI_REG(SLAVE_STAT, slave_stat) DEFINE_TWI_REG(SLAVE_ADDR, slave_addr) @@ -27,7 +26,6 @@ DEFINE_TWI_REG(MASTER_STAT, master_stat) DEFINE_TWI_REG(MASTER_ADDR, master_addr) DEFINE_TWI_REG(INT_STAT, int_stat) DEFINE_TWI_REG(INT_MASK, int_mask) -DEFINE_TWI_REG(FIFO_CTL, fifo_ctl) DEFINE_TWI_REG(FIFO_STAT, fifo_stat) DEFINE_TWI_REG(XMT_DATA8, xmt_data8) DEFINE_TWI_REG(XMT_DATA16, xmt_data16) @@ -60,4 +58,25 @@ static inline u16 read_RCV_DATA16(struct bfin_twi_iface *iface) } #endif +static inline u16 read_FIFO_CTL(struct bfin_twi_iface *iface) +{ + return bfin_read16(&iface->regs_base->fifo_ctl); +} + +static inline void write_FIFO_CTL(struct bfin_twi_iface *iface, u16 v) +{ + bfin_write16(&iface->regs_base->fifo_ctl, v); + SSYNC(); +} + +static inline u16 read_CONTROL(struct bfin_twi_iface *iface) +{ + return bfin_read16(&iface->regs_base->control); +} + +static inline void write_CONTROL(struct bfin_twi_iface *iface, u16 v) +{ + SSYNC(); + bfin_write16(&iface->regs_base->control, v); +} #endif |