diff options
| author | David Sniatkiwicz <davidsn@marvell.com> | 2018-08-29 11:56:18 +0300 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2018-09-19 09:02:34 +0200 |
| commit | e76afd84095a10e7cd9d8ee6b74ed94941e5f4f8 (patch) | |
| tree | a04053c6aa9845804b346ccf1759fbfe0de703db /drivers | |
| parent | b7b3f2c8bbf346b29f877b61d7e2b12a877b01d0 (diff) | |
fix: nand: pxa3xx: Add WA for eliminating flash ready timeout
add delay before processing the status flags in pxa3xx_nand_irq().
Signed-off-by: David Sniatkiwicz <davidsn@marvell.com>
Reviewed-by: Igal Liberman <igall@marvell.com>
Reviewed-by: Kostya Porotchkin <kostap@marvell.com>
c: Stefan Roese <sr@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/nand/pxa3xx_nand.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c index 3323557999..2a02a9d58e 100644 --- a/drivers/mtd/nand/pxa3xx_nand.c +++ b/drivers/mtd/nand/pxa3xx_nand.c @@ -668,6 +668,9 @@ static irqreturn_t pxa3xx_nand_irq(struct pxa3xx_nand_info *info) cmd_done = NDSR_CS1_CMDD; } + /* TODO - find out why we need the delay during write operation. */ + ndelay(1); + status = nand_readl(info, NDSR); if (status & NDSR_UNCORERR) |