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mtd: create an mtd_oobavail() helper and make use of it

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Currently, all MTD drivers/sublayers exposing an OOB area are
doing the same kind of test to extract the available OOB size
based on the mtd_info and mtd_oob_ops structures.
Move this common logic into an inline function and make use of it.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Suggested-by: Priit Laes <plaes@plaes.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
Boris BREZILLON
2016-03-07 10:46:52 +01:00
committed by Brian Norris
parent f5b8aa78ef
commit 29f1058a90
4 changed files with 13 additions and 32 deletions
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19
drivers/mtd/onenand/onenand_base.c
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@@ -1124,11 +1124,7 @@ static int onenand_mlc_read_ops_nolock(struct mtd_info *mtd, loff_t from,
pr_debug("%s: from = 0x%08x, len = %i\n", __func__, (unsigned int)from,
(int)len);
if (ops->mode == MTD_OPS_AUTO_OOB)
oobsize = mtd->oobavail;
else
oobsize = mtd->oobsize;
oobsize = mtd_oobavail(mtd, ops);
oobcolumn = from & (mtd->oobsize - 1);
/* Do not allow reads past end of device */
@@ -1229,11 +1225,7 @@ static int onenand_read_ops_nolock(struct mtd_info *mtd, loff_t from,
pr_debug("%s: from = 0x%08x, len = %i\n", __func__, (unsigned int)from,
(int)len);
if (ops->mode == MTD_OPS_AUTO_OOB)
oobsize = mtd->oobavail;
else
oobsize = mtd->oobsize;
oobsize = mtd_oobavail(mtd, ops);
oobcolumn = from & (mtd->oobsize - 1);
/* Do not allow reads past end of device */
@@ -1885,12 +1877,7 @@ static int onenand_write_ops_nolock(struct mtd_info *mtd, loff_t to,
/* Check zero length */
if (!len)
return 0;
if (ops->mode == MTD_OPS_AUTO_OOB)
oobsize = mtd->oobavail;
else
oobsize = mtd->oobsize;
oobsize = mtd_oobavail(mtd, ops);
oobcolumn = to & (mtd->oobsize - 1);
column = to & (mtd->writesize - 1);