[U-Boot] [RFC PATCH v2 04/10] mtd: nand: pxa3xx_nand: fix early spurious interrupt
Chris Packham
judge.packham at gmail.com
Wed Oct 26 03:26:06 CEST 2016
When the nand is first probe, and upon the first command start, the
status bits should be cleared before the interrupts are unmasked.
[ Linux commit 0b14392db2e998157d924085d7913e537ec26121 ]
Cc: Robert Jarzmik <robert.jarzmik at free.fr>
Signed-off-by: Chris Packham <judge.packham at gmail.com>
---
Changes in v2:
- Add reference to Linux commit sha1
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 17cbc8d3d930..4cd1297e1d59 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -477,8 +477,8 @@ 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);
}
--
2.10.1
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