aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/mtd
diff options
context:
space:
mode:
authorBoris Brezillon <boris.brezillon@bootlin.com>2018-07-18 10:42:17 +0200
committerMiquel Raynal <miquel.raynal@bootlin.com>2018-07-19 23:14:57 +0200
commit0d6030ac041f6835974deb88a1a9c299b4adc3ad (patch)
treee1dee689fd594ddce0cb05c5b399805aaa699142 /include/linux/mtd
parentmtd: rawnand: micron: support 8/512 on-die ECC (diff)
downloadlinux-dev-0d6030ac041f6835974deb88a1a9c299b4adc3ad.tar.xz
linux-dev-0d6030ac041f6835974deb88a1a9c299b4adc3ad.zip
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')
-rw-r--r--include/linux/mtd/rawnand.h4
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);