Messages in this thread Patch in this message | | | From | Leilk Liu <> | Subject | [PATCH 3/4] spi: mediatek: remove needless pair of writel()/readl() | Date | Fri, 20 Nov 2015 10:21:18 +0800 |
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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> --- 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
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