UBI should not mess with MTD partitions, now that the partitions are handled in a clean way, clean the ubi command and avoid using this uneeded extra-glue to reference the devices.
Signed-off-by: Miquel Raynal miquel.raynal@bootlin.com Reviewed-by: Stefan Roese sr@denx.de Reviewed-by: Boris Brezillon boris.brezillon@bootlin.com --- cmd/Kconfig | 2 ++ cmd/ubi.c | 96 ++++++++++++++--------------------------------------- 2 files changed, 27 insertions(+), 71 deletions(-)
diff --git a/cmd/Kconfig b/cmd/Kconfig index b5bd978f6d..f82addca0a 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -1822,6 +1822,8 @@ config CMD_UBI capabilities. Please, consult the MTD web site for more details (www.linux-mtd.infradead.org). Activate this option if you want to use U-Boot UBI commands. + It is also strongly encouraged to also enable CONFIG_MTD to get full + partition support.
config CMD_UBIFS tristate "Enable UBIFS - Unsorted block images filesystem commands" diff --git a/cmd/ubi.c b/cmd/ubi.c index 0a3405a3b1..bb8f97fc28 100644 --- a/cmd/ubi.c +++ b/cmd/ubi.c @@ -15,6 +15,7 @@ #include <command.h> #include <exports.h> #include <memalign.h> +#include <mtd.h> #include <nand.h> #include <onenand_uboot.h> #include <linux/mtd/mtd.h> @@ -29,17 +30,6 @@
/* Private own data */ static struct ubi_device *ubi; -static char buffer[80]; -static int ubi_initialized; - -struct selected_dev { - char part_name[80]; - int selected; - int nr; - struct mtd_info *mtd_info; -}; - -static struct selected_dev ubi_dev;
#ifdef CONFIG_CMD_UBIFS int ubifs_is_mounted(void); @@ -404,43 +394,24 @@ int ubi_volume_read(char *volume, char *buf, size_t size) return err; }
-static int ubi_dev_scan(struct mtd_info *info, char *ubidev, - const char *vid_header_offset) +static int ubi_dev_scan(struct mtd_info *info, const char *vid_header_offset) { - struct mtd_device *dev; - struct part_info *part; - struct mtd_partition mtd_part; char ubi_mtd_param_buffer[80]; - u8 pnum; int err;
- if (find_dev_and_part(ubidev, &dev, &pnum, &part) != 0) - return 1; + if (!vid_header_offset) + sprintf(ubi_mtd_param_buffer, "%s", info->name); + else + sprintf(ubi_mtd_param_buffer, "%s,%s", info->name, + vid_header_offset);
- sprintf(buffer, "mtd=%d", pnum); - memset(&mtd_part, 0, sizeof(mtd_part)); - mtd_part.name = buffer; - mtd_part.size = part->size; - mtd_part.offset = part->offset; - add_mtd_partitions(info, &mtd_part, 1); - - strcpy(ubi_mtd_param_buffer, buffer); - if (vid_header_offset) - sprintf(ubi_mtd_param_buffer, "mtd=%d,%s", pnum, - vid_header_offset); err = ubi_mtd_param_parse(ubi_mtd_param_buffer, NULL); - if (err) { - del_mtd_partitions(info); + if (err) return -err; - }
err = ubi_init(); - if (err) { - del_mtd_partitions(info); + if (err) return -err; - } - - ubi_initialized = 1;
return 0; } @@ -465,50 +436,33 @@ int ubi_detach(void) /* * Call ubi_exit() before re-initializing the UBI subsystem */ - if (ubi_initialized) { + if (ubi) ubi_exit(); - del_mtd_partitions(ubi_dev.mtd_info); - ubi_initialized = 0; - }
- ubi_dev.selected = 0; + ubi = NULL; + return 0; }
int ubi_part(char *part_name, const char *vid_header_offset) { + struct mtd_info *mtd; 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 - */ - if (find_dev_and_part(part_name, &dev, &pnum, &part)) { + + mtd_probe_devices(); + mtd = get_mtd_device_nm(part_name); + if (IS_ERR(mtd)) { printf("Partition %s not found!\n", part_name); return 1; } - sprintf(mtd_dev, "%s%d", MTD_DEV_TYPE(dev->id->type), dev->id->num); - ubi_dev.mtd_info = get_mtd_device_nm(mtd_dev); - if (IS_ERR(ubi_dev.mtd_info)) { - printf("Partition %s not found on device %s!\n", part_name, - mtd_dev); - return 1; - } + put_mtd_device(mtd);
- ubi_dev.selected = 1; - - strcpy(ubi_dev.part_name, part_name); - err = ubi_dev_scan(ubi_dev.mtd_info, ubi_dev.part_name, - vid_header_offset); + err = ubi_dev_scan(mtd, vid_header_offset); if (err) { printf("UBI init error %d\n", err); printf("Please check, if the correct MTD partition is used (size big enough?)\n"); - ubi_dev.selected = 0; return err; }
@@ -539,13 +493,13 @@ static int do_ubi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
/* Print current partition */ if (argc == 2) { - if (!ubi_dev.selected) { - printf("Error, no UBI device/partition selected!\n"); + if (!ubi) { + printf("Error, no UBI device selected!\n"); return 1; }
- printf("Device %d: %s, partition %s\n", - ubi_dev.nr, ubi_dev.mtd_info->name, ubi_dev.part_name); + printf("Device %d: %s, MTD partition %s\n", + ubi->ubi_num, ubi->ubi_name, ubi->mtd->name); return 0; }
@@ -558,8 +512,8 @@ static int do_ubi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) return ubi_part(argv[2], vid_header_offset); }
- if ((strcmp(argv[1], "part") != 0) && (!ubi_dev.selected)) { - printf("Error, no UBI device/partition selected!\n"); + if ((strcmp(argv[1], "part") != 0) && !ubi) { + printf("Error, no UBI device selected!\n"); return 1; }