diff options
| author | Xiaolei Li <xiaolei.li@mediatek.com> | 2017-11-02 10:05:07 +0800 |
|---|---|---|
| committer | Boris Brezillon <boris.brezillon@free-electrons.com> | 2017-11-30 10:57:27 +0100 |
| commit | f883199d17b87e86a4ebd50bdee69285814bdce7 (patch) | |
| tree | 6815b01122e909119379dc9234957c88524ce320 /drivers/mtd/nand | |
| parent | 4fbd8d194f06c8a3fd2af1ce560ddb31f7ec8323 (diff) | |
| download | linux-f883199d17b87e86a4ebd50bdee69285814bdce7.tar.bz2 | |
mtd: nand: mtk: use nand_reset() to reset NAND devices in resume function
Previously, we only select chips and then send reset command to a NAND
device during resuming nand driver. There is a lack of deselecting chips.
It is advised to reset and initialize a NAND device using nand_reset().
Signed-off-by: Xiaolei Li <xiaolei.li@mediatek.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Diffstat (limited to 'drivers/mtd/nand')
| -rw-r--r-- | drivers/mtd/nand/mtk_nand.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/mtd/nand/mtk_nand.c b/drivers/mtd/nand/mtk_nand.c index d86a7d131cc0..6d0101e13ef6 100644 --- a/drivers/mtd/nand/mtk_nand.c +++ b/drivers/mtd/nand/mtk_nand.c @@ -1540,7 +1540,6 @@ static int mtk_nfc_resume(struct device *dev) struct mtk_nfc *nfc = dev_get_drvdata(dev); struct mtk_nfc_nand_chip *chip; struct nand_chip *nand; - struct mtd_info *mtd; int ret; u32 i; @@ -1553,11 +1552,8 @@ static int mtk_nfc_resume(struct device *dev) /* reset NAND chip if VCC was powered off */ list_for_each_entry(chip, &nfc->chips, node) { nand = &chip->nand; - mtd = nand_to_mtd(nand); - for (i = 0; i < chip->nsels; i++) { - nand->select_chip(mtd, i); - nand->cmdfunc(mtd, NAND_CMD_RESET, -1, -1); - } + for (i = 0; i < chip->nsels; i++) + nand_reset(nand, i); } return 0; |