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>
diff --git a/drivers/spi/spi-mxs.c b/drivers/spi/spi-mxs.c
index 8498276..62b7e8e 100644
--- a/drivers/spi/spi-mxs.c
+++ b/drivers/spi/spi-mxs.c
@@ -75,12 +75,6 @@
if (t && t->bits_per_word)
bits_per_word = t->bits_per_word;
- if (bits_per_word != 8) {
- dev_err(&dev->dev, "%s, unsupported bits_per_word=%d\n",
- __func__, bits_per_word);
- return -EINVAL;
- }
-
hz = dev->max_speed_hz;
if (t && t->speed_hz)
hz = min(hz, t->speed_hz);
@@ -548,6 +542,7 @@
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;
master->dev.of_node = np;