Re: [PATCH 3/4] spi: mediatek: remove needless pair of writel()/readl()
From: Matthias Brugger
Date: Fri Nov 20 2015 - 11:56:36 EST
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>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/