diff options
| author | Detlev Zundel <dzu@denx.de> | 2010-07-30 11:22:15 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2010-08-09 01:05:37 +0200 |
| commit | 0aef7bc71971266aa60ee17aa75add432dd4ca48 (patch) | |
| tree | fef4049e52cc23740cfe67e4ac41106dbcdded1e /tools/env/fw_env.c | |
| parent | a4e8d9f5f957c7e3972ca9d25f17de5f8acd8244 (diff) | |
tools/env/fw_printenv: Make redundant env work on locked flashes also
The invalidation of the old environment instance did not work for flashes
supporting hardware locking. Now we unlock/lock around this update also.
Signed-off-by: Detlev Zundel <dzu@denx.de>
Diffstat (limited to 'tools/env/fw_env.c')
| -rw-r--r-- | tools/env/fw_env.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/tools/env/fw_env.c b/tools/env/fw_env.c index 04f3bf0a43..8ff7052243 100644 --- a/tools/env/fw_env.c +++ b/tools/env/fw_env.c @@ -1,5 +1,5 @@ /* - * (C) Copyright 2000-2008 + * (C) Copyright 2000-2010 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * (C) Copyright 2008 @@ -899,7 +899,10 @@ static int flash_write_buf (int dev, int fd, void *buf, size_t count, static int flash_flag_obsolete (int dev, int fd, off_t offset) { int rc; + struct erase_info_user erase; + erase.start = DEVOFFSET (dev); + erase.length = DEVESIZE (dev); /* This relies on the fact, that obsolete_flag == 0 */ rc = lseek (fd, offset, SEEK_SET); if (rc < 0) { @@ -907,7 +910,9 @@ static int flash_flag_obsolete (int dev, int fd, off_t offset) DEVNAME (dev)); return rc; } + ioctl (fd, MEMUNLOCK, &erase); rc = write (fd, &obsolete_flag, sizeof (obsolete_flag)); + ioctl (fd, MEMLOCK, &erase); if (rc < 0) perror ("Could not set obsolete flag"); |