spi: mediatek: remove needless pair of writel()/readl()

It's not need to re-read and re-write SPI_CMD_REG, so remove it.

Signed-off-by: Leilk Liu <leilk.liu@mediatek.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c
index 563954a..2b3fcb8 100644 (file)
--- a/drivers/spi/spi-mt65xx.c
+++ b/drivers/spi/spi-mt65xx.c
@@ -154,9 +154,6 @@ static int mtk_spi_prepare_message(struct spi_master *master,
                reg_val |= SPI_CMD_CPOL;
        else
                reg_val &= ~SPI_CMD_CPOL;
-       writel(reg_val, mdata->base + SPI_CMD_REG);
-
-       reg_val = readl(mdata->base + SPI_CMD_REG);
 
        /* set the mlsbx and mlsbtx */
        if (chip_config->tx_mlsb)