diff options
| author | Axel Lin <axel.lin@ingics.com> | 2014-03-28 23:37:54 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-03-29 10:15:53 +0000 |
| commit | 5c5989ccd32c37890115a6dd5c03f39cba7f7beb (patch) | |
| tree | 83ab8a511399d7bfd35772904acf25712de4ce50 | |
| parent | 354312f16e49add1da78f0cfb2bcb633709d0071 (diff) | |
| download | linux-5c5989ccd32c37890115a6dd5c03f39cba7f7beb.tar.gz | |
spi: mpc52xx: Convert to use bits_per_word_mask
This controller only supports 8-bit word length.
Set bits_per_word_mask so spi core will reject transfers that attempt to use
an unsupported bits_per_word value.
Also remove the duplicate code to test spi->mode, it is done by spi core.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
| -rw-r--r-- | drivers/spi/spi-mpc52xx.c | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/drivers/spi/spi-mpc52xx.c b/drivers/spi/spi-mpc52xx.c index e3d29a56d70a7..95bd2ffb0572b 100644 --- a/drivers/spi/spi-mpc52xx.c +++ b/drivers/spi/spi-mpc52xx.c @@ -357,17 +357,6 @@ static void mpc52xx_spi_wq(struct work_struct *work) * spi_master ops */ -static int mpc52xx_spi_setup(struct spi_device *spi) -{ - if (spi->bits_per_word % 8) - return -EINVAL; - - if (spi->mode & ~(SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST)) - return -EINVAL; - - return 0; -} - static int mpc52xx_spi_transfer(struct spi_device *spi, struct spi_message *m) { struct mpc52xx_spi *ms = spi_master_get_devdata(spi->master); @@ -430,9 +419,9 @@ static int mpc52xx_spi_probe(struct platform_device *op) goto err_alloc; } - master->setup = mpc52xx_spi_setup; master->transfer = mpc52xx_spi_transfer; master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST; + master->bits_per_word_mask = SPI_BPW_MASK(8); master->dev.of_node = op->dev.of_node; platform_set_drvdata(op, master); |