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spi: convert drivers to use bits_per_word_mask

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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>
This commit is contained in:
Stephen Warren
2013-05-21 20:36:35 -06:00
committed by Mark Brown
parent 2922a8de99
commit 24778be20f
28 changed files with 46 additions and 280 deletions
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7
drivers/spi/spi-clps711x.c
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@@ -42,12 +42,6 @@ static int spi_clps711x_setup(struct spi_device *spi)
{
struct spi_clps711x_data *hw = spi_master_get_devdata(spi->master);
if (spi->bits_per_word != 8) {
dev_err(&spi->dev, "Unsupported master bus width %i\n",
spi->bits_per_word);
return -EINVAL;
}
/* We are expect that SPI-device is not selected */
gpio_direction_output(hw->chipselect[spi->chip_select],
!(spi->mode & SPI_CS_HIGH));
@@ -190,6 +184,7 @@ static int spi_clps711x_probe(struct platform_device *pdev)
master->bus_num = pdev->id;
master->mode_bits = SPI_CPHA | SPI_CS_HIGH;
master->bits_per_word_mask = SPI_BPW_MASK(8);
master->num_chipselect = pdata->num_chipselect;
master->setup = spi_clps711x_setup;
master->transfer_one_message = spi_clps711x_transfer_one_message;