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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/docg4.c
parent8a8c8ba1c8a65522f07fd3ccbae94712c471e683 (diff)
downloadop-kernel-dev-eb94555e9e97c9983461214046b4d72c4ab4ba70.zip
op-kernel-dev-eb94555e9e97c9983461214046b4d72c4ab4ba70.tar.gz
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/docg4.c')
-rw-r--r--drivers/mtd/nand/docg4.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/mtd/nand/docg4.c b/drivers/mtd/nand/docg4.c
index 2436cbc..45c01b4 100644
--- a/drivers/mtd/nand/docg4.c
+++ b/drivers/mtd/nand/docg4.c
@@ -900,6 +900,7 @@ static int docg4_erase_block(struct mtd_info *mtd, int page)
struct docg4_priv *doc = nand_get_controller_data(nand);
void __iomem *docptr = doc->virtadr;
uint16_t g4_page;
+ int status;
dev_dbg(doc->dev, "%s: page %04x\n", __func__, page);
@@ -939,7 +940,11 @@ static int docg4_erase_block(struct mtd_info *mtd, int page)
poll_status(doc);
write_nop(docptr);
- return nand->waitfunc(mtd, nand);
+ status = nand->waitfunc(mtd, nand);
+ if (status < 0)
+ return status;
+
+ return status & NAND_STATUS_FAIL ? -EIO : 0;
}
static int write_page(struct mtd_info *mtd, struct nand_chip *nand,
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