summaryrefslogtreecommitdiffstats
path: root/arch/blackfin
diff options
context:
space:
mode:
authorSonic Zhang <sonic.zhang@analog.com>2014-01-28 16:55:22 +0800
committerWolfram Sang <wsa@the-dreams.de>2014-03-09 08:41:18 +0100
commit5029a22a45056603497c82445db9dd203b050e82 (patch)
tree0e49bbd4a91d9a2c3508d7b928e0e0c93dc726ba /arch/blackfin
parent45126da22452ac3d4685401a1e921a39ac0ff2f6 (diff)
downloadblackbird-op-linux-5029a22a45056603497c82445db9dd203b050e82.tar.gz
blackbird-op-linux-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')
-rw-r--r--arch/blackfin/include/asm/bfin_twi.h23
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
OpenPOWER on IntegriCloud