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authorArtem Bityutskiy <artem.bityutskiy@linux.intel.com>2011-12-23 19:30:16 +0400
committerDavid Woodhouse <David.Woodhouse@intel.com>2012-01-09 22:25:19 +0400
commit329ad399a9b3adf52c90637b21ca029fcf7f8795 (patch)
tree7aa7bb2609c25de7859c3a666f3ea90934609592 /include/linux/mtd/mtd.h
parent04c601bfa4cb29c968dcb66e44c799c9c01d8675 (diff)
downloadlinux-329ad399a9b3adf52c90637b21ca029fcf7f8795.tar.xz
mtd: introduce mtd_read interface
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'include/linux/mtd/mtd.h')
-rw-r--r--include/linux/mtd/mtd.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index f38e8276b408..56478eb4bbc0 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -182,6 +182,8 @@ struct mtd_info {
unsigned long len,
unsigned long offset,
unsigned long flags);
+ int (*read) (struct mtd_info *mtd, loff_t from, size_t len,
+ size_t *retlen, u_char *buf);
/* Backing device capabilities for this device
* - provides mmap capabilities
@@ -189,7 +191,6 @@ struct mtd_info {
struct backing_dev_info *backing_dev_info;
- int (*read) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
int (*write) (struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf);
/* In blackbox flight recorder like scenarios we want to make successful
@@ -301,6 +302,12 @@ static inline unsigned long mtd_get_unmapped_area(struct mtd_info *mtd,
return mtd->get_unmapped_area(mtd, len, offset, flags);
}
+static inline int mtd_read(struct mtd_info *mtd, loff_t from, size_t len,
+ size_t *retlen, u_char *buf)
+{
+ return mtd->read(mtd, from, len, retlen, buf);
+}
+
static inline struct mtd_info *dev_to_mtd(struct device *dev)
{
return dev ? dev_get_drvdata(dev) : NULL;