diff options
Diffstat (limited to 'cmd/mmc.c')
| -rw-r--r-- | cmd/mmc.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/cmd/mmc.c b/cmd/mmc.c index 9a841c25d3d..c0c23ee24b6 100644 --- a/cmd/mmc.c +++ b/cmd/mmc.c @@ -473,18 +473,26 @@ static int do_mmc_erase(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { struct mmc *mmc; + struct disk_partition info; u32 blk, cnt, n; - if (argc != 3) + if (argc < 2 || argc > 3) return CMD_RET_USAGE; - blk = hextoul(argv[1], NULL); - cnt = hextoul(argv[2], NULL); - mmc = init_mmc_device(curr_device, false); if (!mmc) return CMD_RET_FAILURE; + if (argc == 3) { + blk = hextoul(argv[1], NULL); + cnt = hextoul(argv[2], NULL); + } else if (part_get_info_by_name(mmc_get_blk_desc(mmc), argv[1], &info) >= 0) { + blk = info.start; + cnt = info.size; + } else { + return CMD_RET_FAILURE; + } + printf("MMC erase: dev # %d, block # %d, count %d ... ", curr_device, blk, cnt); @@ -1290,6 +1298,7 @@ U_BOOT_CMD( "mmc swrite addr blk#\n" #endif "mmc erase blk# cnt\n" + "mmc erase partname\n" "mmc rescan [mode]\n" "mmc part - lists available partition on current mmc device\n" "mmc dev [dev] [part] [mode] - show or set current mmc device [partition] and set mode\n" |