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@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 f100eff6ac..e21a102a09 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,