diff options
Diffstat (limited to 'include/linux/mtd')
| -rw-r--r-- | include/linux/mtd/mtd.h | 6 | ||||
| -rw-r--r-- | include/linux/mtd/pmc551.h | 1 |
2 files changed, 4 insertions, 3 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index e2e545616b2a..8c243117c087 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -177,7 +177,7 @@ 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); - void (*_unpoint) (struct mtd_info *mtd, loff_t from, size_t len); + int (*_unpoint) (struct mtd_info *mtd, loff_t from, size_t len); unsigned long (*_get_unmapped_area) (struct mtd_info *mtd, unsigned long len, unsigned long offset, @@ -265,8 +265,10 @@ static inline int mtd_point(struct mtd_info *mtd, loff_t from, size_t len, } /* 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) +static inline int mtd_unpoint(struct mtd_info *mtd, loff_t from, size_t len) { + if (!mtd->_point) + return -EOPNOTSUPP; return mtd->_unpoint(mtd, from, len); } diff --git a/include/linux/mtd/pmc551.h b/include/linux/mtd/pmc551.h index 27ad40aed19f..da8b98d1b330 100644 --- a/include/linux/mtd/pmc551.h +++ b/include/linux/mtd/pmc551.h @@ -34,7 +34,6 @@ struct mypriv { * Function Prototypes */ static int pmc551_erase(struct mtd_info *, struct erase_info *); -static void pmc551_unpoint(struct mtd_info *, loff_t, size_t); static int pmc551_point(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, void **virt, resource_size_t *phys); static int pmc551_read(struct mtd_info *, loff_t, size_t, size_t *, u_char *); |