diff options
| 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/linux/mtd | |
| 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/linux/mtd')
| -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; |
