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mtd: introduce mtd_unpoint 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 17:05:52 +02:00
committed by David Woodhouse
parent d35ea200c0
commit 7219778ad9
5 changed files with 14 additions and 10 deletions
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8
include/linux/mtd/mtd.h
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@@ -177,8 +177,6 @@ struct mtd_info {
int (*erase) (struct mtd_info *mtd, struct erase_info *instr);
int (*point) (struct mtd_info *mtd, loff_t from, size_t len,
size_t *retlen, void **virt, resource_size_t *phys);
/* We probably shouldn't allow XIP if the unpoint isn't a NULL */
void (*unpoint) (struct mtd_info *mtd, loff_t from, size_t len);
/* Allow NOMMU mmap() to directly map the device (if not NULL)
@@ -289,6 +287,12 @@ static inline int mtd_point(struct mtd_info *mtd, loff_t from, size_t len,
return mtd->point(mtd, from, len, retlen, virt, phys);
}
/* We probably shouldn't allow XIP if the unpoint isn't a NULL */
static inline void mtd_unpoint(struct mtd_info *mtd, loff_t from, size_t len)
{
return mtd->unpoint(mtd, from, len);
}
static inline struct mtd_info *dev_to_mtd(struct device *dev)
{
return dev ? dev_get_drvdata(dev) : NULL;