diff options
author | Stephen Warren <swarren@wwwdotorg.org> | 2013-05-22 06:36:35 +0400 |
---|---|---|
committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-05-29 23:48:17 +0400 |
commit | 24778be20f87d5aadb19624fc768b3159fa43efc (patch) | |
tree | 05124574b6d331f34938bbae09d4014fde7dca76 /drivers/spi/spi-ppc4xx.c | |
parent | 2922a8de996956893bb98e4aa91be9774c958336 (diff) | |
download | linux-24778be20f87d5aadb19624fc768b3159fa43efc.tar.xz |
spi: convert drivers to use bits_per_word_mask
Fill in the recently added spi_master.bits_per_word_mask field in as
many drivers as possible. Make related cleanups, such as removing any
redundant error-checking, or empty setup callbacks.
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/spi/spi-ppc4xx.c')
-rw-r--r-- | drivers/spi/spi-ppc4xx.c | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/drivers/spi/spi-ppc4xx.c b/drivers/spi/spi-ppc4xx.c index 357f183a4fb7..01df34bed2d0 100644 --- a/drivers/spi/spi-ppc4xx.c +++ b/drivers/spi/spi-ppc4xx.c @@ -190,12 +190,6 @@ static int spi_ppc4xx_setupxfer(struct spi_device *spi, struct spi_transfer *t) speed = min(t->speed_hz, spi->max_speed_hz); } - if (bits_per_word != 8) { - dev_err(&spi->dev, "invalid bits-per-word (%d)\n", - bits_per_word); - return -EINVAL; - } - if (!speed || (speed > spi->max_speed_hz)) { dev_err(&spi->dev, "invalid speed_hz (%d)\n", speed); return -EINVAL; @@ -229,12 +223,6 @@ static int spi_ppc4xx_setup(struct spi_device *spi) { struct spi_ppc4xx_cs *cs = spi->controller_state; - if (spi->bits_per_word != 8) { - dev_err(&spi->dev, "invalid bits-per-word (%d)\n", - spi->bits_per_word); - return -EINVAL; - } - if (!spi->max_speed_hz) { dev_err(&spi->dev, "invalid max_speed_hz (must be non-zero)\n"); return -EINVAL; @@ -465,6 +453,7 @@ static int spi_ppc4xx_of_probe(struct platform_device *op) bbp->use_dma = 0; bbp->master->setup = spi_ppc4xx_setup; bbp->master->cleanup = spi_ppc4xx_cleanup; + bbp->master->bits_per_word_mask = SPI_BPW_MASK(8); /* the spi->mode bits understood by this driver: */ bbp->master->mode_bits = |