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authorBayi Cheng <bayi.cheng@mediatek.com>2015-12-18 11:02:40 +0800
committerBrian Norris <computersforpeace@gmail.com>2015-12-18 15:05:43 -0800
commit80e1ca692107b0bc5b088fd9c4a20726fb1a66a2 (patch)
tree42e56fd9f61de8f5d21b3e71691dd4d23d462872 /drivers/mtd
parent8142b47ef33c655a34e08efd46b65732fe190675 (diff)
mtd: mtk-nor: adjust sequence of trigger function and assignment function
Move write data register before excute command to avoid missing first byte write to nor flash Signed-off-by: Bayi Cheng <bayi.cheng@mediatek.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/spi-nor/mtk-quadspi.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mtd/spi-nor/mtk-quadspi.c b/drivers/mtd/spi-nor/mtk-quadspi.c
index e1dd9fd16fbe..d5f850d035bb 100644
--- a/drivers/mtd/spi-nor/mtk-quadspi.c
+++ b/drivers/mtd/spi-nor/mtk-quadspi.c
@@ -272,10 +272,10 @@ static int mt8173_nor_write_single_byte(struct mt8173_nor *mt8173_nor,
mt8173_nor_set_addr(mt8173_nor, addr);
for (i = 0; i < length; i++) {
+ writeb(*data++, mt8173_nor->base + MTK_NOR_WDATA_REG);
ret = mt8173_nor_execute_cmd(mt8173_nor, MTK_NOR_PIO_WR_CMD);
if (ret < 0)
return ret;
- writeb(*data++, mt8173_nor->base + MTK_NOR_WDATA_REG);
}
return 0;
}