spi: dw: Use SPI_TMOD_TR rather than magic const 0 to set tmode

The TMODE available value is well defined and documented in the header
file. Use it and remove the comment.

Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c
index 882cd6618cd5d0f1225eb6a8e7bbd66d80882f01..c09bb745693a0ffdd3be164c05f0f33b0c461d8a 100644 (file)
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -425,7 +425,7 @@ static int dw_spi_setup(struct spi_device *spi)
                chip->type = chip_info->type;
        }
 
-       chip->tmode = 0; /* Tx & Rx */
+       chip->tmode = SPI_TMOD_TR;
 
        if (gpio_is_valid(spi->cs_gpio)) {
                ret = gpio_direction_output(spi->cs_gpio,