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| author | Boris Brezillon <boris.brezillon@bootlin.com> | 2018-07-18 11:42:17 +0300 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2018-07-20 00:14:57 +0300 |
| commit | 0d6030ac041f6835974deb88a1a9c299b4adc3ad (patch) | |
| tree | e1dee689fd594ddce0cb05c5b399805aaa699142 /include/linux/mtd/rawnand.h | |
| parent | 3ec7cb369eb22a5a06f9867e358bc55d40055168 (diff) | |
| download | linux-0d6030ac041f6835974deb88a1a9c299b4adc3ad.tar.xz | |
mtd: rawnand: Expose _notsupp() helpers for raw page accessors
Some implementations simply can't disable their ECC engine. Expose
helpers returning -ENOTSUPP so that the caller knows that raw accesses
are not supported instead of silently falling back to non-raw
accessors.
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Diffstat (limited to 'include/linux/mtd/rawnand.h')
| -rw-r--r-- | include/linux/mtd/rawnand.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h index 11c2426fc363..f60fad29eae6 100644 --- a/include/linux/mtd/rawnand.h +++ b/include/linux/mtd/rawnand.h @@ -1681,10 +1681,14 @@ int nand_get_set_features_notsupp(struct mtd_info *mtd, struct nand_chip *chip, /* Default read_page_raw implementation */ int nand_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip, uint8_t *buf, int oob_required, int page); +int nand_read_page_raw_notsupp(struct mtd_info *mtd, struct nand_chip *chip, + u8 *buf, int oob_required, int page); /* Default write_page_raw implementation */ int nand_write_page_raw(struct mtd_info *mtd, struct nand_chip *chip, const uint8_t *buf, int oob_required, int page); +int nand_write_page_raw_notsupp(struct mtd_info *mtd, struct nand_chip *chip, + const u8 *buf, int oob_required, int page); /* Reset and initialize a NAND device */ int nand_reset(struct nand_chip *chip, int chipnr); |