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mtd: mtk-nor: adjust sequence of trigger function and assignment function

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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>
This commit is contained in:
Bayi Cheng 2015-12-18 11:02:40 +08:00 • committed by Brian Norris
parent 8142b47ef3
commit 80e1ca6921
1 changed files with 1 additions and 1 deletions
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2
drivers/mtd/spi-nor/mtk-quadspi.c
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@ -272,10 +272,10 @@ static int mt8173_nor_write_single_byte(struct mt8173_nor *mt8173_nor,
mt8173_nor_set_addr(mt8173_nor, addr); mt8173_nor_set_addr(mt8173_nor, addr);
for (i = 0; i < length; i++) { 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); ret = mt8173_nor_execute_cmd(mt8173_nor, MTK_NOR_PIO_WR_CMD);
if (ret < 0) if (ret < 0)
return ret; return ret;
writeb(*data++, mt8173_nor->base + MTK_NOR_WDATA_REG);
} }
return 0; return 0;
} }