This patch adds a new 'mtdparts add' variant: add.spread. This command variant adds a new partition to the mtdparts variable but also increases the partitions size by skipping bad blocks and aggregating any additional bad blocks found at the end of the partition.
Signed-off-by: Ben Gardiner bengardiner@nanometrics.ca CC: Wolfgang Denk wd@denx.de CC: Scott Wood scottwood@freescale.com
---
V2: * formatting: spaces after 'if' and 'for' * trailing whitespace removed
V3: * rebased to 54841ab50c20d6fa6c9cc3eb826989da3a22d934 of git://git.denx.de/u-boot.git * fix more checkpatch errors * updating copyright to include addition of add.e command
V4: * rebased to b417260d871d4d8d336c160d95ed40cc8c0fb0fa of git://git.denx.de/u-boot.git * removed changelog from file header * check for s == NULL when looking for '.' in command * do not include support for the '.i' synonym * rename to 'add.spread' to match 'mtdparts spread' as per Scott Wood's suggestion.
V5: * rebased to 962ad59e25640e586e2bceabf67a628a27f8f508 of git://git.denx.de/u-boot.git * renumbered from 4/4 to 5/5 * don't reproduce the same call to spread_partitions on either side of the check for existing device -- as per Scott Wood's comments.
V6: * unchanged
--- common/cmd_mtdparts.c | 34 ++++++++++++++++++++++++++-------- 1 files changed, 26 insertions(+), 8 deletions(-)
diff --git a/common/cmd_mtdparts.c b/common/cmd_mtdparts.c index 347e409..17865b7 100644 --- a/common/cmd_mtdparts.c +++ b/common/cmd_mtdparts.c @@ -1949,9 +1949,13 @@ int do_mtdparts(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) }
/* mtdparts add <mtd-dev> <size>[@<offset>] <name> [ro] */ - if (((argc == 5) || (argc == 6)) && (strcmp(argv[1], "add") == 0)) { + if (((argc == 5) || (argc == 6)) && (strncmp(argv[1], "add", 3) == 0)) { #define PART_ADD_DESC_MAXLEN 64 char tmpbuf[PART_ADD_DESC_MAXLEN]; +#if defined(CONFIG_CMD_MTDPARTS_SPREAD) + struct mtd_info *mtd; + uint64_t next_offset; +#endif u8 type, num, len; struct mtd_device *dev; struct mtd_device *dev_tmp; @@ -1986,15 +1990,25 @@ int do_mtdparts(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) debug("+ %s\t%d\t%s\n", MTD_DEV_TYPE(dev->id->type), dev->id->num, dev->id->mtd_id);
- if ((dev_tmp = device_find(dev->id->type, dev->id->num)) == NULL) { + p = list_entry(dev->parts.next, struct part_info, link); + +#if defined(CONFIG_CMD_MTDPARTS_SPREAD) + if (get_mtd_info(dev->id->type, dev->id->num, &mtd)) + return 1; + + if (!strcmp(&argv[1][3], ".spread")) { + spread_partition(mtd, p, &next_offset); + debug("increased %s to %d bytes\n", p->name, p->size); + } +#endif + + dev_tmp = device_find(dev->id->type, dev->id->num); + if (dev_tmp == NULL) { device_add(dev); - } else { + } else if (part_add(dev_tmp, p) != 0) { /* merge new partition with existing ones*/ - p = list_entry(dev->parts.next, struct part_info, link); - if (part_add(dev_tmp, p) != 0) { - device_del(dev); - return 1; - } + device_del(dev); + return 1; }
if (generate_mtdparts_save(last_parts, MTDPARTS_MAXLEN) != 0) { @@ -2039,6 +2053,10 @@ U_BOOT_CMD( " - delete partition (e.g. part-id = nand0,1)\n" "mtdparts add <mtd-dev> <size>[@<offset>] [<name>] [ro]\n" " - add partition\n" +#if defined(CONFIG_CMD_MTDPARTS_SPREAD) + "mtdparts add.spread <mtd-dev> <size>[@<offset>] [<name>] [ro]\n" + " - add partition, padding size by skipping bad blocks\n" +#endif "mtdparts default\n" " - reset partition table to defaults\n" #if defined(CONFIG_CMD_MTDPARTS_SPREAD)