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Message-ID: <1447986080-31410-3-git-send-email-leilk.liu@mediatek.com> Date: Fri, 20 Nov 2015 10:21:18 +0800 From: Leilk Liu <leilk.liu@...iatek.com> To: Mark Brown <broonie@...nel.org> CC: Mark Rutland <mark.rutland@....com>, Matthias Brugger <matthias.bgg@...il.com>, Sascha Hauer <s.hauer@...gutronix.de>, <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, <linux-spi@...r.kernel.org>, <linux-mediatek@...ts.infradead.org>, Leilk Liu <leilk.liu@...iatek.com> Subject: [PATCH 3/4] 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@...iatek.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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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