spi: tegra114: set supported bits per word
authorSowjanya Komatineni <skomatineni@nvidia.com>
Fri, 5 Apr 2019 00:14:05 +0000 (17:14 -0700)
committerMark Brown <broonie@kernel.org>
Fri, 5 Apr 2019 03:22:22 +0000 (10:22 +0700)
Tegra SPI supports 4 through 32 bits per word.

This patch sets bits_per_word_mask accordingly to support transfer
with these bits per word.

Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-tegra114.c

index 99019f6d2d84477123b676963b3261d0a1615152..c2ebf1ae632daadf048d84e6e0aec6e8fca1007b 100644 (file)
@@ -1151,6 +1151,7 @@ static int tegra_spi_probe(struct platform_device *pdev)
 
        /* the spi->mode bits understood by this driver: */
        master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LSB_FIRST;
+       master->bits_per_word_mask = SPI_BPW_RANGE_MASK(4, 32);
        master->setup = tegra_spi_setup;
        master->transfer_one_message = tegra_spi_transfer_one_message;
        master->num_chipselect = MAX_CHIP_SELECT;