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ubi: add new ubi command "ubi detach"

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simple detachs ubi from the mtd partition.

Signed-off-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
Heiko Schocher 2016-06-07 08:55:40 +02:00 committed by Tom Rini
parent 3c5d51fffc
commit cddfc97d1f
1 changed files with 27 additions and 11 deletions
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38
cmd/ubi.c
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@ -443,14 +443,8 @@ static int ubi_dev_scan(struct mtd_info *info, char *ubidev,
return 0;
}
int ubi_part(char *part_name, const char *vid_header_offset)
int ubi_detach(void)
{
int err = 0;
char mtd_dev[16];
struct mtd_device *dev;
struct part_info *part;
u8 pnum;
if (mtdparts_init() != 0) {
printf("Error initializing mtdparts!\n");
return 1;
@ -466,17 +460,28 @@ int ubi_part(char *part_name, const char *vid_header_offset)
cmd_ubifs_umount();
#endif
/* todo: get dev number for NAND... */
ubi_dev.nr = 0;
/*
* Call ubi_exit() before re-initializing the UBI subsystem
*/
if (ubi_initialized) {
ubi_exit();
del_mtd_partitions(ubi_dev.mtd_info);
ubi_initialized = 0;
}
ubi_dev.selected = 0;
return 0;
}
int ubi_part(char *part_name, const char *vid_header_offset)
{
int err = 0;
char mtd_dev[16];
struct mtd_device *dev;
struct part_info *part;
u8 pnum;
ubi_detach();
/*
* Search the mtd device number where this partition
* is located
@ -517,6 +522,15 @@ static int do_ubi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
if (argc < 2)
return CMD_RET_USAGE;
if (strcmp(argv[1], "detach") == 0) {
if (argc < 2)
return CMD_RET_USAGE;
return ubi_detach();
}
if (strcmp(argv[1], "part") == 0) {
const char *vid_header_offset = NULL;
@ -661,7 +675,9 @@ static int do_ubi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
U_BOOT_CMD(
ubi, 6, 1, do_ubi,
"ubi commands",
"part [part] [offset]\n"
"detach"
" - detach ubi from a mtd partition\n"
"ubi part [part] [offset]\n"
" - Show or set current partition (with optional VID"
" header offset)\n"
"ubi info [l[ayout]]"