spi: rb4xx: Use SPI_BPW_MASK to set bits_per_word_mask

Improve readability a bit.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-rb4xx.c b/drivers/spi/spi-rb4xx.c
index 3641d0e..fbbf9a1 100644 (file)
--- a/drivers/spi/spi-rb4xx.c
+++ b/drivers/spi/spi-rb4xx.c
@@ -159,7 +159,7 @@ static int rb4xx_spi_probe(struct platform_device *pdev)
        master->bus_num = 0;
        master->num_chipselect = 3;
        master->mode_bits = SPI_TX_DUAL;
-       master->bits_per_word_mask = BIT(7);
+       master->bits_per_word_mask = SPI_BPW_MASK(8);
        master->flags = SPI_MASTER_MUST_TX;
        master->transfer_one = rb4xx_transfer_one;
        master->set_cs = rb4xx_set_cs;