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

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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>
This commit is contained in:
leilk.liu@mediatek.com 2015-11-20 10:21:18 +08:00 • committed by Mark Brown
parent 6e6a9cd461
commit 4c3dbd35d4
1 changed files with 0 additions and 3 deletions
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3
drivers/spi/spi-mt65xx.c
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@ -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)