[PATCH v4 16/31] mtd: nand: pxa3xx: Use waitfunc() to wait for the device to be ready
Ezequiel Garcia
ezequiel.garcia at free-electrons.com
Thu Nov 7 10:17:20 EST 2013
In pxa3xx_nand_sensing() instead of simply using info->is_ready
after issuing a command, the correct way of checking is to wait
for the device to be ready through the chip's waitfunc().
Signed-off-by: Ezequiel Garcia <ezequiel.garcia at free-electrons.com>
---
drivers/mtd/nand/pxa3xx_nand.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index 588b23a..6997a25 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -1041,10 +1041,11 @@ static int pxa3xx_nand_sensing(struct pxa3xx_nand_info *info)
return ret;
chip->cmdfunc(mtd, NAND_CMD_RESET, 0, 0);
- if (info->is_ready)
- return 0;
+ ret = chip->waitfunc(mtd, chip);
+ if (ret & NAND_STATUS_FAIL)
+ return -ENODEV;
- return -ENODEV;
+ return 0;
}
static int pxa3xx_nand_scan(struct mtd_info *mtd)
--
1.8.1.5
More information about the linux-mtd
mailing list