From 658999244a0446a32301bc34c8fa53f1a3f05594 Mon Sep 17 00:00:00 2001 From: Ofer Heifetz Date: Wed, 29 Aug 2018 11:56:03 +0300 Subject: [PATCH] mtd: nand: pxa3xx_nand: fix early spurious interrupt When the nand is first probe, and upon the first command start, the status bits should be cleared before the interrupts are unmasked. This commit is taken from Linux: 'commit 0b14392db2e' ("mtd: nand: pxa3xx_nand: fix early spurious interrupt") Signed-off-by: Chris Packham Signed-off-by: Ofer Heifetz Reviewed-by: Igal Liberman Cc: Stefan Roese Cc: Simon Glass Signed-off-by: Stefan Roese --- drivers/mtd/nand/pxa3xx_nand.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c index 8e450fb..7b1dcb2 100644 --- a/drivers/mtd/nand/pxa3xx_nand.c +++ b/drivers/mtd/nand/pxa3xx_nand.c @@ -481,8 +481,8 @@ static void pxa3xx_nand_start(struct pxa3xx_nand_info *info) ndcr |= NDCR_ND_RUN; /* clear status bits and run */ - nand_writel(info, NDCR, 0); nand_writel(info, NDSR, NDSR_MASK); + nand_writel(info, NDCR, 0); nand_writel(info, NDCR, ndcr); } -- 2.7.4