lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

mtd: add an ioctl to query the lock status of a flash sector

Browse Source 
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>
This commit is contained in:
Richard Cochran
2010-06-14 18:10:33 +02:00
committed by David Woodhouse
parent 1df620637f
commit 9938424f0c
5 changed files with 36 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
include/linux/mtd/mtd.h
View File

@@ -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);