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Commit 72bb79d0 authored by Axel Lin's avatar Axel Lin Committed by Mark Brown
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spi: altera: Use bits_per_word_mask 



This driver does not work for bits_per_word greater than 16.
Set bits_per_word_mask so spi core will reject transfers that attempt to use
an unsupported bits_per_word value.

Signed-off-by: default avatarAxel Lin <axel.lin@ingics.com>
Signed-off-by: default avatarMark Brown <broonie@linaro.org>
parent 38dbfb59

drivers/spi/spi-altera.c

+1 −0
Original line number Diff line number Diff line
@@ -214,6 +214,7 @@ static int altera_spi_probe(struct platform_device *pdev) 
	master->bus_num = pdev->id;

	master->num_chipselect = 16;

	master->mode_bits = SPI_CS_HIGH;

	master->bits_per_word_mask = SPI_BPW_RANGE_MASK(1, 16);



	hw = spi_master_get_devdata(master);

	platform_set_drvdata(pdev, hw);