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| author |   Richard Cochran <richardcochran@gmail.com> | 2010-06-14 18:10:33 +0200 |
|---|---|---|
| committer |   David Woodhouse <David.Woodhouse@intel.com> | 2010-08-02 09:03:41 +0100 |
| commit | 9938424f0c4d208883cbf32083ec2bfcc220f85b (patch) | |
| tree | e4f7581c7543673fe63c98f9804e934a77aeb7ef /include | |
| parent | mtd: denali: add Kconfig dependency (diff) | |
| download | linux-dev-9938424f0c4d208883cbf32083ec2bfcc220f85b.tar.xz linux-dev-9938424f0c4d208883cbf32083ec2bfcc220f85b.zip | |
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 5326435a7571..43b7d72c6116 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 be51ae2bd0ff..e12872e3c694 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 |