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commands: ubidetach: Allow mtd devices as argument 

Instead of only allow ubi numbers make it possible to
detach a mtd device.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2016-03-14 12:44:39 +01:00
parent 05be903622
commit abb8c2703a
1 changed files with 26 additions and 4 deletions
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30
commands/ubi.c
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@ -122,14 +122,36 @@ BAREBOX_CMD_END
static int do_ubidetach(int argc, char *argv[])
{
int ubi_num, ret;
int fd, ret;
struct mtd_info_user user;
if (argc != 2)
return COMMAND_ERROR_USAGE;
ubi_num = simple_strtoul(argv[1], NULL, 0);
ret = ubi_detach(ubi_num);
fd = open(argv[optind], O_RDWR);
if (fd < 0) {
int ubi_num = simple_strtoul(argv[1], NULL, 0);
ret = ubi_detach(ubi_num);
goto out;
}
ret = ioctl(fd, MEMGETINFO, &user);
if (!ret) {
int ubi_num = ubi_num_get_by_mtd(user.mtd);
if (ubi_num < 0) {
ret = ubi_num;
goto out;
}
ret = ubi_detach(ubi_num);
if (!ret)
goto out_close;
}
out_close:
close(fd);
out:
if (ret)
printf("failed to detach: %s\n", strerror(-ret));
@ -139,7 +161,7 @@ static int do_ubidetach(int argc, char *argv[])
BAREBOX_CMD_START(ubidetach)
.cmd = do_ubidetach,
BAREBOX_CMD_DESC("detach an UBI device")
BAREBOX_CMD_OPTS("UBINUM")
BAREBOX_CMD_OPTS("mtd device/UBINUM")
BAREBOX_CMD_GROUP(CMD_GRP_PART)
BAREBOX_CMD_END