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author | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2011-12-23 11:55:49 -0500 |
---|---|---|
committer | David Woodhouse <David.Woodhouse@intel.com> | 2012-01-09 13:25:33 -0500 |
commit | 4403dbfb4541d34e5db33db709094d57d09f7467 (patch) | |
tree | c01500ee2c1c2b99b962a2e289299020ff95846a /include | |
parent | 482b43adbb7b124316ec72c161b0d1655e759368 (diff) |
mtd: introduce mtd_lock_user_prot_reg interface
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/mtd/mtd.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index 554960793e37..b58e5e8746ec 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h | |||
@@ -202,14 +202,14 @@ struct mtd_info { | |||
202 | size_t len, size_t *retlen, u_char *buf); | 202 | size_t len, size_t *retlen, u_char *buf); |
203 | int (*write_user_prot_reg) (struct mtd_info *mtd, loff_t to, size_t len, | 203 | int (*write_user_prot_reg) (struct mtd_info *mtd, loff_t to, size_t len, |
204 | size_t *retlen, u_char *buf); | 204 | size_t *retlen, u_char *buf); |
205 | int (*lock_user_prot_reg) (struct mtd_info *mtd, loff_t from, | ||
206 | size_t len); | ||
205 | 207 | ||
206 | /* Backing device capabilities for this device | 208 | /* Backing device capabilities for this device |
207 | * - provides mmap capabilities | 209 | * - provides mmap capabilities |
208 | */ | 210 | */ |
209 | struct backing_dev_info *backing_dev_info; | 211 | struct backing_dev_info *backing_dev_info; |
210 | 212 | ||
211 | int (*lock_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len); | ||
212 | |||
213 | /* kvec-based read/write methods. | 213 | /* kvec-based read/write methods. |
214 | NB: The 'count' parameter is the number of _vectors_, each of | 214 | NB: The 'count' parameter is the number of _vectors_, each of |
215 | which contains an (ofs, len) tuple. | 215 | which contains an (ofs, len) tuple. |
@@ -369,6 +369,12 @@ static inline int mtd_write_user_prot_reg(struct mtd_info *mtd, loff_t to, | |||
369 | return mtd->write_user_prot_reg(mtd, to, len, retlen, buf); | 369 | return mtd->write_user_prot_reg(mtd, to, len, retlen, buf); |
370 | } | 370 | } |
371 | 371 | ||
372 | static inline int mtd_lock_user_prot_reg(struct mtd_info *mtd, loff_t from, | ||
373 | size_t len) | ||
374 | { | ||
375 | return mtd->lock_user_prot_reg(mtd, from, len); | ||
376 | } | ||
377 | |||
372 | static inline struct mtd_info *dev_to_mtd(struct device *dev) | 378 | static inline struct mtd_info *dev_to_mtd(struct device *dev) |
373 | { | 379 | { |
374 | return dev ? dev_get_drvdata(dev) : NULL; | 380 | return dev ? dev_get_drvdata(dev) : NULL; |