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command: ubiattach: add option to pass VID offset 

use the same option as linux -O

as example due to a bug in already deployed kernel we must for the VID offset
at 512 even it should be at 256

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD 2013-09-17 07:12:08 +02:00 committed by Sascha Hauer
parent 56ee5d3aac
commit 2830faf5e5
1 changed files with 16 additions and 4 deletions
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20
commands/ubi.c
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@ -58,13 +58,25 @@ BAREBOX_CMD_END
static int do_ubiattach(int argc, char *argv[])
{
int opt;
struct mtd_info_user user;
int fd, ret;
int vid_hdr_offset = 0;
if (argc != 2)
while((opt = getopt(argc, argv, "O:")) > 0) {
switch(opt) {
case 'O':
vid_hdr_offset = simple_strtoul(optarg, NULL, 0);
break;
default:
return COMMAND_ERROR_USAGE;
}
}
if (optind == argc)
return COMMAND_ERROR_USAGE;
fd = open(argv[1], O_RDWR);
fd = open(argv[optind], O_RDWR);
if (fd < 0) {
perror("open");
return 1;
@ -76,7 +88,7 @@ static int do_ubiattach(int argc, char *argv[])
goto err;
}
ret = ubi_attach_mtd_dev(user.mtd, UBI_DEV_NUM_AUTO, 0, 20);
ret = ubi_attach_mtd_dev(user.mtd, UBI_DEV_NUM_AUTO, vid_hdr_offset, 20);
if (ret < 0)
printf("failed to attach: %s\n", strerror(-ret));
else
@ -88,7 +100,7 @@ err:
}
static const __maybe_unused char cmd_ubiattach_help[] =
"Usage: ubiattach <mtddev>\n"
"Usage: ubiattach [-O vid-hdr-offset] <mtddev>\n"
"Attach <mtddev> to ubi\n";
BAREBOX_CMD_START(ubiattach)