From: Sowjanya Komatineni <skomatineni@nvidia.com>
Date: Fri, 5 Apr 2019 00:14:05 +0000 (-0700)
Subject: spi: tegra114: set supported bits per word
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=f0a0bc90c6e7060778911c2b55d085105809d6cf;p=openwrt%2Fstaging%2Fblogic.git

spi: tegra114: set supported bits per word

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>
---

diff --git a/drivers/spi/spi-tegra114.c b/drivers/spi/spi-tegra114.c
index 99019f6d2d84..c2ebf1ae632d 100644
--- a/drivers/spi/spi-tegra114.c
+++ b/drivers/spi/spi-tegra114.c
@@ -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;