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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-imx.c
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@@ -698,11 +698,10 @@ static int spi_imx_setupxfer(struct spi_device *spi,
} else if (config.bpw <= 16) {
spi_imx->rx = spi_imx_buf_rx_u16;
spi_imx->tx = spi_imx_buf_tx_u16;
} else if (config.bpw <= 32) {
}
spi_imx->rx = spi_imx_buf_rx_u32;
spi_imx->tx = spi_imx_buf_tx_u32;
} else
BUG();
}
spi_imx->devtype_data->config(spi_imx, &config);
@@ -783,6 +782,7 @@ static int spi_imx_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, master);
master->bits_per_word_mask = SPI_BPW_RANGE_MASK(1, 32);
master->bus_num = pdev->id;
master->num_chipselect = num_cs;