diff options
| author | Richard Cochran <richardcochran@gmail.com> | 2010-06-14 16:10:33 (GMT) |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2010-08-02 08:03:41 (GMT) |
| commit | 9938424f0c4d208883cbf32083ec2bfcc220f85b (patch) | |
| tree | e4f7581c7543673fe63c98f9804e934a77aeb7ef /include | |
| parent | 1df620637fc3b252b69c92ced486b5b6b643dd1a (diff) | |
| download | linux-9938424f0c4d208883cbf32083ec2bfcc220f85b.tar.xz | |
mtd: add an ioctl to query the lock status of a flash sector
This patchs adds a way for user space programs to find out whether a
flash sector is locked. An optional driver method in the mtd_info struct
provides the information.
Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mtd/mtd.h | 1 | ||||
| -rw-r--r-- | include/mtd/mtd-abi.h | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index 5326435..43b7d72 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -216,6 +216,7 @@ struct mtd_info { /* Chip-supported device locking */ int (*lock) (struct mtd_info *mtd, loff_t ofs, uint64_t len); int (*unlock) (struct mtd_info *mtd, loff_t ofs, uint64_t len); + int (*is_locked) (struct mtd_info *mtd, loff_t ofs, uint64_t len); /* Power Management functions */ int (*suspend) (struct mtd_info *mtd); diff --git a/include/mtd/mtd-abi.h b/include/mtd/mtd-abi.h index be51ae2..e12872e 100644 --- a/include/mtd/mtd-abi.h +++ b/include/mtd/mtd-abi.h @@ -110,6 +110,7 @@ struct otp_info { #define MEMERASE64 _IOW('M', 20, struct erase_info_user64) #define MEMWRITEOOB64 _IOWR('M', 21, struct mtd_oob_buf64) #define MEMREADOOB64 _IOWR('M', 22, struct mtd_oob_buf64) +#define MEMISLOCKED _IOR('M', 23, struct erase_info_user) /* * Obsolete legacy interface. Keep it in order not to break userspace |