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.ray...@bootlin.com>
---
cmd/ubi.c | 95 ++++++++++++++-----------------------------------------
1 file changed, 24 insertions(+), 71 deletions(-)
diff --git a/cmd/ubi.c b/cmd/ubi.c
index 0a3405a3b1..e848a39894 100644
--- a/cmd/ubi.c
+++ b/cmd/ubi.c
@@ -29,17 +29,6 @@
/* 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 +393,24 @@ 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 +435,33 @@ 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 +492,13 @@ 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 +511,8 @@ 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;
}
--
2.17.1
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