[U-Boot] [PATCH v3 07/20] spl: nand: sunxi: add missing status clear
Miquel Raynal
miquel.raynal at bootlin.com
Wed Feb 28 19:51:49 UTC 2018
It is best practice to always clear the status register before executing
a command to be sure that the status read afterwards is relevant.
Signed-off-by: Miquel Raynal <miquel.raynal at bootlin.com>
Acked-by: Boris Brezillon <boris.brezillon at bootlin.com>
---
drivers/mtd/nand/sunxi_nand_spl.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/mtd/nand/sunxi_nand_spl.c b/drivers/mtd/nand/sunxi_nand_spl.c
index cd823cd70b..913de7d442 100644
--- a/drivers/mtd/nand/sunxi_nand_spl.c
+++ b/drivers/mtd/nand/sunxi_nand_spl.c
@@ -245,6 +245,7 @@ static int nand_reset_column(void)
(NFC_CMD_RNDOUT << NFC_RANDOM_READ_CMD0_OFFSET) |
(NFC_CMD_RNDOUTSTART << NFC_READ_CMD_OFFSET),
SUNXI_NFC_BASE + NFC_RCMD_SET);
+ writel(NFC_ST_CMD_INT_FLAG, SUNXI_NFC_BASE + NFC_ST);
writel(0, SUNXI_NFC_BASE + NFC_ADDR_LOW);
writel(NFC_SEND_CMD1 | NFC_SEND_CMD2 | NFC_RAW_CMD |
(1 << NFC_ADDR_NUM_OFFSET) | NFC_SEND_ADDR | NFC_CMD_RNDOUT,
--
2.14.1
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