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cmd: mmc: update the mmc command's usage about argument

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It's confusing whether arguments are optional or mandatory.
Update the command's usage to clarify how to use.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Jaehoon Chung 2020-12-16 07:24:50 +09:00 committed by Peng Fan
parent 52ff04a216
commit 1019b19665
1 changed files with 3 additions and 3 deletions
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6
cmd/mmc.c
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@ -1017,13 +1017,13 @@ U_BOOT_CMD(
" Power cycling is required to initialize partitions after set to complete.\n"
#endif
#ifdef CONFIG_SUPPORT_EMMC_BOOT
"mmc bootbus dev boot_bus_width reset_boot_bus_width boot_mode\n"
"mmc bootbus <dev> <boot_bus_width> <reset_boot_bus_width> <boot_mode>\n"
" - Set the BOOT_BUS_WIDTH field of the specified device\n"
"mmc bootpart-resize <dev> <boot part size MB> <RPMB part size MB>\n"
" - Change sizes of boot and RPMB partitions of specified device\n"
"mmc partconf dev [boot_ack boot_partition partition_access]\n"
"mmc partconf <dev> [boot_ack boot_partition partition_access]\n"
" - Show or change the bits of the PARTITION_CONFIG field of the specified device\n"
"mmc rst-function dev value\n"
"mmc rst-function <dev> <value>\n"
" - Change the RST_n_FUNCTION field of the specified device\n"
" WARNING: This is a write-once field and 0 / 1 / 2 are the only valid values.\n"
#endif