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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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6
drivers/spi/spi-sirf.c
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@ -425,10 +425,6 @@ spi_sirfsoc_setup_transfer(struct spi_device *spi, struct spi_transfer *t)
rxfifo_ctrl = SIRFSOC_SPI_FIFO_THD(SIRFSOC_SPI_FIFO_SIZE / 2) |
SIRFSOC_SPI_FIFO_WIDTH_DWORD;
break;
default:
dev_err(&spi->dev, "Bits per word %d not supported\n",
bits_per_word);
return -EINVAL;
}
if (!(spi->mode & SPI_CS_HIGH))
@ -556,6 +552,8 @@ static int spi_sirfsoc_probe(struct platform_device *pdev)
sspi->bitbang.txrx_bufs = spi_sirfsoc_transfer;
sspi->bitbang.master->setup = spi_sirfsoc_setup;
master->bus_num = pdev->id;
master->bits_per_word_mask = SPI_BPW_MASK(8) | SPI_BPW_MASK(12) |
SPI_BPW_MASK(16) | SPI_BPW_MASK(32);
sspi->bitbang.master->dev.of_node = pdev->dev.of_node;
sspi->p = pinctrl_get_select_default(&pdev->dev);