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-bfin-sport.c b/drivers/spi/spi-bfin-sport.c
index 39b0d17..e4a858a 100644
--- a/drivers/spi/spi-bfin-sport.c
+++ b/drivers/spi/spi-bfin-sport.c
@@ -417,7 +417,7 @@
/* Bits per word setup */
bits_per_word = transfer->bits_per_word;
- if (bits_per_word % 16 == 0)
+ if (bits_per_word == 16)
drv_data->ops = &bfin_sport_transfer_ops_u16;
else
drv_data->ops = &bfin_sport_transfer_ops_u8;
@@ -600,13 +600,6 @@
}
}
- if (spi->bits_per_word % 8) {
- dev_err(&spi->dev, "%d bits_per_word is not supported\n",
- spi->bits_per_word);
- ret = -EINVAL;
- goto error;
- }
-
/* translate common spi framework into our register
* following configure contents are same for tx and rx.
*/
@@ -778,6 +771,7 @@
drv_data->pin_req = platform_info->pin_req;
master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST;
+ master->bits_per_word_mask = SPI_BPW_MASK(8) | SPI_BPW_MASK(16);
master->bus_num = pdev->id;
master->num_chipselect = platform_info->num_chipselect;
master->cleanup = bfin_sport_spi_cleanup;