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spi: Remove duplicate code to set default bits_per_word setting 

The implementation in spi_setup() already set spi->bits_per_word = 8 when
spi->bits_per_word is 0 before calling spi->master->setup.
So we don't need to do it again in setup() callback.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Marek Vasut <marex@denx.de>
Acked-by: Barry Song <Baohua.Song@csr.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Axel Lin 2014-01-17 18:53:40 +08:00 committed by Mark Brown
parent 81e53d0470
commit 23061f1eb8
8 changed files with 0 additions and 37 deletions
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4
drivers/spi/spi-davinci.c
View File

@ -396,10 +396,6 @@ static int davinci_spi_setup(struct spi_device *spi)
dspi = spi_master_get_devdata(spi->master);
pdata = &dspi->pdata;
/* if bits per word length is zero then set it default 8 */
if (!spi->bits_per_word)
spi->bits_per_word = 8;
if (!(spi->mode & SPI_NO_CS)) {
if ((pdata->chip_sel == NULL) ||
(pdata->chip_sel[spi->chip_select] == SPI_INTERN_CS))

3
drivers/spi/spi-fsl-dspi.c
View File

@ -373,9 +373,6 @@ static int dspi_setup(struct spi_device *spi)
if (!spi->max_speed_hz)
return -EINVAL;
if (!spi->bits_per_word)
spi->bits_per_word = 8;
return dspi_setup_transfer(spi, NULL);
}

9
drivers/spi/spi-mxs.c
View File

@ -111,14 +111,6 @@ static int mxs_spi_setup_transfer(struct spi_device *dev,
return 0;
}
static int mxs_spi_setup(struct spi_device *dev)
{
if (!dev->bits_per_word)
dev->bits_per_word = 8;
return 0;
}
static u32 mxs_spi_cs_to_reg(unsigned cs)
{
u32 select = 0;
@ -502,7 +494,6 @@ static int mxs_spi_probe(struct platform_device *pdev)
return -ENOMEM;
master->transfer_one_message = mxs_spi_transfer_one;
master->setup = mxs_spi_setup;
master->bits_per_word_mask = SPI_BPW_MASK(8);
master->mode_bits = SPI_CPOL | SPI_CPHA;
master->num_chipselect = 3;

2
drivers/spi/spi-rspi.c
View File

@ -802,8 +802,6 @@ static int rspi_setup(struct spi_device *spi)
{
struct rspi_data *rspi = spi_master_get_devdata(spi->master);
if (!spi->bits_per_word)
spi->bits_per_word = 8;
rspi->max_speed_hz = spi->max_speed_hz;
rspi->spcmd = SPCMD_SSLKP;

3
drivers/spi/spi-sc18is602.c
View File

@ -254,9 +254,6 @@ error:
static int sc18is602_setup(struct spi_device *spi)
{
if (!spi->bits_per_word)
spi->bits_per_word = 8;
if (spi->mode & ~(SPI_CPHA | SPI_CPOL | SPI_LSB_FIRST))
return -EINVAL;

3
drivers/spi/spi-sh.c
View File

@ -358,9 +358,6 @@ static int spi_sh_setup(struct spi_device *spi)
{
struct spi_sh_data *ss = spi_master_get_devdata(spi->master);
if (!spi->bits_per_word)
spi->bits_per_word = 8;
pr_debug("%s: enter\n", __func__);
spi_sh_write(ss, 0xfe, SPI_SH_CR1); /* SPI sycle stop */

7
drivers/spi/spi-sirf.c
View File

@ -536,16 +536,9 @@ spi_sirfsoc_setup_transfer(struct spi_device *spi, struct spi_transfer *t)
static int spi_sirfsoc_setup(struct spi_device *spi)
{
struct sirfsoc_spi *sspi;
if (!spi->max_speed_hz)
return -EINVAL;
sspi = spi_master_get_devdata(spi->master);
if (!spi->bits_per_word)
spi->bits_per_word = 8;
return spi_sirfsoc_setup_transfer(spi, NULL);
}

6
drivers/spi/spi-topcliff-pch.c
View File

@ -466,12 +466,6 @@ static void pch_spi_reset(struct spi_master *master)
static int pch_spi_setup(struct spi_device *pspi)
{
/* check bits per word */
if (pspi->bits_per_word == 0) {
pspi->bits_per_word = 8;
dev_dbg(&pspi->dev, "%s 8 bits per word\n", __func__);
}
/* Check baud rate setting */
/* if baud rate of chip is greater than
max we can support,return error */