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mtd: introduce mtd_read_oob interface

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Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Artem Bityutskiy
2011-12-23 18:27:05 +02:00
committed by David Woodhouse
parent 7ae79d7ff1
commit fd2819bbc9
14 changed files with 37 additions and 31 deletions
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10
include/linux/mtd/mtd.h
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@@ -188,6 +188,8 @@ struct mtd_info {
size_t *retlen, const u_char *buf);
int (*panic_write) (struct mtd_info *mtd, loff_t to, size_t len,
size_t *retlen, const u_char *buf);
int (*read_oob) (struct mtd_info *mtd, loff_t from,
struct mtd_oob_ops *ops);
/* Backing device capabilities for this device
* - provides mmap capabilities
@@ -195,8 +197,6 @@ struct mtd_info {
struct backing_dev_info *backing_dev_info;
int (*read_oob) (struct mtd_info *mtd, loff_t from,
struct mtd_oob_ops *ops);
int (*write_oob) (struct mtd_info *mtd, loff_t to,
struct mtd_oob_ops *ops);
@@ -320,6 +320,12 @@ static inline int mtd_panic_write(struct mtd_info *mtd, loff_t to, size_t len,
return mtd->panic_write(mtd, to, len, retlen, buf);
}
static inline int mtd_read_oob(struct mtd_info *mtd, loff_t from,
struct mtd_oob_ops *ops)
{
return mtd->read_oob(mtd, from, ops);
}
static inline struct mtd_info *dev_to_mtd(struct device *dev)
{
return dev ? dev_get_drvdata(dev) : NULL;