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-ti-ssp.c b/drivers/spi/spi-ti-ssp.c
index 46992ca..10606fc 100644
--- a/drivers/spi/spi-ti-ssp.c
+++ b/drivers/spi/spi-ti-ssp.c
@@ -237,14 +237,6 @@
spin_unlock(&hw->lock);
}
-static int ti_ssp_spi_setup(struct spi_device *spi)
-{
- if (spi->bits_per_word > 32)
- return -EINVAL;
-
- return 0;
-}
-
static int ti_ssp_spi_transfer(struct spi_device *spi, struct spi_message *m)
{
struct ti_ssp_spi *hw;
@@ -269,12 +261,6 @@
dev_err(&spi->dev, "invalid xfer, full duplex\n");
return -EINVAL;
}
-
- if (t->bits_per_word > 32) {
- dev_err(&spi->dev, "invalid xfer width %d\n",
- t->bits_per_word);
- return -EINVAL;
- }
}
spin_lock(&hw->lock);
@@ -337,8 +323,8 @@
master->bus_num = pdev->id;
master->num_chipselect = pdata->num_cs;
master->mode_bits = MODE_BITS;
+ master->bits_per_word_mask = SPI_BPW_RANGE_MASK(1, 32);
master->flags = SPI_MASTER_HALF_DUPLEX;
- master->setup = ti_ssp_spi_setup;
master->transfer = ti_ssp_spi_transfer;
error = spi_register_master(master);