Commit 4c3dbd35 authored Nov 20, 2015 by leilk.liu@mediatek.com Committed by Mark Brown Nov 21, 2015

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>

parent 6e6a9cd4

drivers/spi/spi-mt65xx.c

+0 −3

Original line number	Diff line number	Diff line
		@@ -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)