aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/mtd/nand/nand_base.c
diff options
context:
space:
mode:
authorMiquel Raynal <miquel.raynal@free-electrons.com>2017-11-30 18:01:28 +0100
committerBoris Brezillon <boris.brezillon@free-electrons.com>2017-12-01 09:45:30 +0100
commiteb94555e9e97c9983461214046b4d72c4ab4ba70 (patch)
tree893c38b87729a5ff36f9badf7443ca5ae7d564be /drivers/mtd/nand/nand_base.c
parentmtd: nand: denali: rename misleading dma_buf to tmp_buf (diff)
downloadlinux-dev-eb94555e9e97c9983461214046b4d72c4ab4ba70.tar.xz
linux-dev-eb94555e9e97c9983461214046b4d72c4ab4ba70.zip
mtd: nand: use usual return values for the ->erase() hook
Avoid using specific defined values for checking returned status of the ->erase() hook. Instead, use usual negative error values on failure, zero otherwise. Signed-off-by: Miquel Raynal <miquel.raynal@free-electrons.com> Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Diffstat (limited to 'drivers/mtd/nand/nand_base.c')
-rw-r--r--drivers/mtd/nand/nand_base.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 630048f5abdc..eacc3f39cafd 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2989,11 +2989,17 @@ out:
static int single_erase(struct mtd_info *mtd, int page)
{
struct nand_chip *chip = mtd_to_nand(mtd);
+ int status;
+
/* Send commands to erase a block */
chip->cmdfunc(mtd, NAND_CMD_ERASE1, -1, page);
chip->cmdfunc(mtd, NAND_CMD_ERASE2, -1, -1);
- return chip->waitfunc(mtd, chip);
+ status = chip->waitfunc(mtd, chip);
+ if (status < 0)
+ return status;
+
+ return status & NAND_STATUS_FAIL ? -EIO : 0;
}
/**
@@ -3077,7 +3083,7 @@ int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr,
status = chip->erase(mtd, page & chip->pagemask);
/* See if block erase succeeded */
- if (status & NAND_STATUS_FAIL) {
+ if (status) {
pr_debug("%s: failed erase, page 0x%08x\n",
__func__, page);
instr->state = MTD_ERASE_FAILED;