[PATCH 3/4] spi: mediatek: remove needless pair of writel()/readl()

Leilk Liu
2015-11-20T02:21:18Z

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>
---
drivers/spi/spi-mt65xx.c | 3 ---
1 file changed, 3 deletions(-)

diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c
index 7840067..6c1a96e 100644
--- 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)
--
1.7.9.5