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| author | Peter Rosin <peda@axentia.se> | 2018-05-16 09:16:47 +0200 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2018-05-29 20:30:49 +0200 |
| commit | 30a6475744cf11f31a296cb85b43bab40ebbea92 (patch) | |
| tree | 655bc88b8866daf280ac5d3d14e07959499ccaf4 /drivers/i2c/busses/i2c-imx.c | |
| parent | ac6d5298f6af763b587495d62041fe57a2fb89e6 (diff) | |
| download | lwn-30a6475744cf11f31a296cb85b43bab40ebbea92.tar.gz lwn-30a6475744cf11f31a296cb85b43bab40ebbea92.zip | |
i2c: busses: make use of i2c_8bit_addr_from_msg
Because it looks neater.
For diolan, this allows factoring out some code that is now common
between if and else.
For eg20t, pch_i2c_writebytes is always called with a write in
msgs->flags, and pch_i2c_readbytes with a read.
For imx, i2c_imx_dma_write and i2c_imx_write are always called with a
write in msgs->flags, and i2c_imx_read with a read.
For qup, qup_i2c_write_tx_fifo_v1 is always called with a write in
qup->msg->flags.
For stu300, also restructure debug output for resends, since that
code as a result is only handling debug output.
Reviewed-by: Guenter Roeck <linux@roeck-us.net> [diolan]
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> [efm32 and imx]
Acked-by: Linus Walleij <linus.walleij@linaro.org> [stu300]
Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c/busses/i2c-imx.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-imx.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index e0fc3c06b607..0207e194f84b 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -621,7 +621,7 @@ static int i2c_imx_dma_write(struct imx_i2c_struct *i2c_imx, * Write slave address. * The first byte must be transmitted by the CPU. */ - imx_i2c_write_reg(msgs->addr << 1, i2c_imx, IMX_I2C_I2DR); + imx_i2c_write_reg(i2c_8bit_addr_from_msg(msgs), i2c_imx, IMX_I2C_I2DR); reinit_completion(&i2c_imx->dma->cmd_complete); time_left = wait_for_completion_timeout( &i2c_imx->dma->cmd_complete, @@ -751,10 +751,10 @@ static int i2c_imx_write(struct imx_i2c_struct *i2c_imx, struct i2c_msg *msgs) int i, result; dev_dbg(&i2c_imx->adapter.dev, "<%s> write slave address: addr=0x%x\n", - __func__, msgs->addr << 1); + __func__, i2c_8bit_addr_from_msg(msgs)); /* write slave address */ - imx_i2c_write_reg(msgs->addr << 1, i2c_imx, IMX_I2C_I2DR); + imx_i2c_write_reg(i2c_8bit_addr_from_msg(msgs), i2c_imx, IMX_I2C_I2DR); result = i2c_imx_trx_complete(i2c_imx); if (result) return result; @@ -787,10 +787,10 @@ static int i2c_imx_read(struct imx_i2c_struct *i2c_imx, struct i2c_msg *msgs, bo dev_dbg(&i2c_imx->adapter.dev, "<%s> write slave address: addr=0x%x\n", - __func__, (msgs->addr << 1) | 0x01); + __func__, i2c_8bit_addr_from_msg(msgs)); /* write slave address */ - imx_i2c_write_reg((msgs->addr << 1) | 0x01, i2c_imx, IMX_I2C_I2DR); + imx_i2c_write_reg(i2c_8bit_addr_from_msg(msgs), i2c_imx, IMX_I2C_I2DR); result = i2c_imx_trx_complete(i2c_imx); if (result) return result; |