diff options
| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2014-05-02 21:15:07 +0200 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2014-05-22 10:09:22 +0200 |
| commit | a78f6a4140f95cbedc0b28c4c883e8aa9ba044f1 (patch) | |
| tree | e74e54f21cfcce379adcc767889fc8f781fc0b92 /drivers/i2c | |
| parent | i2c: exynos5: add support for HSI2C on Exynos5260 SoC (diff) | |
| download | linux-a78f6a4140f95cbedc0b28c4c883e8aa9ba044f1.tar.xz linux-a78f6a4140f95cbedc0b28c4c883e8aa9ba044f1.zip | |
i2c: sh_mobile: replace magic hex values with constants
No functional change, binaries are identical.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-sh_mobile.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/i2c/busses/i2c-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c index 1d79585ba4b3..d91625eea6bb 100644 --- a/drivers/i2c/busses/i2c-sh_mobile.c +++ b/drivers/i2c/busses/i2c-sh_mobile.c @@ -316,7 +316,7 @@ static unsigned char i2c_op(struct sh_mobile_i2c_data *pd, switch (op) { case OP_START: /* issue start and trigger DTE interrupt */ - iic_wr(pd, ICCR, 0x94); + iic_wr(pd, ICCR, ICCR_ICE | ICCR_TRS | ICCR_BBSY); break; case OP_TX_FIRST: /* disable DTE interrupt and write data */ iic_wr(pd, ICIC, ICIC_WAITE | ICIC_ALE | ICIC_TACKE); @@ -327,10 +327,11 @@ static unsigned char i2c_op(struct sh_mobile_i2c_data *pd, break; case OP_TX_STOP: /* write data and issue a stop afterwards */ iic_wr(pd, ICDR, data); - iic_wr(pd, ICCR, pd->send_stop ? 0x90 : 0x94); + iic_wr(pd, ICCR, pd->send_stop ? ICCR_ICE | ICCR_TRS + : ICCR_ICE | ICCR_TRS | ICCR_BBSY); break; case OP_TX_TO_RX: /* select read mode */ - iic_wr(pd, ICCR, 0x81); + iic_wr(pd, ICCR, ICCR_ICE | ICCR_SCP); break; case OP_RX: /* just read data */ ret = iic_rd(pd, ICDR); @@ -338,13 +339,13 @@ static unsigned char i2c_op(struct sh_mobile_i2c_data *pd, case OP_RX_STOP: /* enable DTE interrupt, issue stop */ iic_wr(pd, ICIC, ICIC_DTEE | ICIC_WAITE | ICIC_ALE | ICIC_TACKE); - iic_wr(pd, ICCR, 0xc0); + iic_wr(pd, ICCR, ICCR_ICE | ICCR_RACK); break; case OP_RX_STOP_DATA: /* enable DTE interrupt, read data, issue stop */ iic_wr(pd, ICIC, ICIC_DTEE | ICIC_WAITE | ICIC_ALE | ICIC_TACKE); ret = iic_rd(pd, ICDR); - iic_wr(pd, ICCR, 0xc0); + iic_wr(pd, ICCR, ICCR_ICE | ICCR_RACK); break; } |