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

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On 20/11/15 03:21, Leilk Liu wrote:
It's not need to re-read and re-write SPI_CMD_REG, so remove it.

Signed-off-by: Leilk Liu <leilk.liu@xxxxxxxxxxxx>
---
  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)


Reviewed-by: Matthias Brugger <matthias.bgg@xxxxxxxxx>
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