This sub-command serves for getting the partition index from
partition name. Also it can be used to test the existence of specified
partition.
Signed-off-by: Ruslan Trofymenko <ruslan.trofyme...@linaro.org>
Reviewed-by: Alistair Strachan <astrac...@google.com>
Reviewed-by: Sam Protsenko <semen.protse...@linaro.org>
Reviewed-by: Simon Glass <s...@chromium.org>
---
Changes in v2: None
cmd/part.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/cmd/part.c b/cmd/part.c
index bfb6488..653e13c 100644
--- a/cmd/part.c
+++ b/cmd/part.c
@@ -24,6 +24,7 @@
enum cmd_part_info {
CMD_PART_INFO_START = 0,
CMD_PART_INFO_SIZE,
+ CMD_PART_INFO_NUMBER
};
static int do_part_uuid(int argc, char * const argv[])
@@ -149,6 +150,9 @@ static int do_part_info(int argc, char * const argv[], enum
cmd_part_info param)
case CMD_PART_INFO_SIZE:
snprintf(buf, sizeof(buf), LBAF, info.size);
break;
+ case CMD_PART_INFO_NUMBER:
+ snprintf(buf, sizeof(buf), "%d", part);
+ break;
default:
printf("** Unknown cmd_part_info value: %d\n", param);
return 1;
@@ -172,6 +176,11 @@ static int do_part_size(int argc, char * const argv[])
return do_part_info(argc, argv, CMD_PART_INFO_SIZE);
}
+static int do_part_number(int argc, char * const argv[])
+{
+ return do_part_info(argc, argv, CMD_PART_INFO_NUMBER);
+}
+
static int do_part(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
if (argc < 2)
@@ -185,6 +194,8 @@ static int do_part(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
return do_part_start(argc - 2, argv + 2);
else if (!strcmp(argv[1], "size"))
return do_part_size(argc - 2, argv + 2);
+ else if (!strcmp(argv[1], "number"))
+ return do_part_number(argc - 2, argv + 2);
return CMD_RET_USAGE;
}
@@ -206,5 +217,8 @@ U_BOOT_CMD(
" part can be either partition number or partition name\n"
"part size <interface> <dev> <part> <varname>\n"
" - set environment variable to the size of the partition (in
blocks)\n"
- " part can be either partition number or partition name"
+ " part can be either partition number or partition name\n"
+ "part number <interface> <dev> <part> <varname>\n"
+ " - set environment variable to the partition number using the
partition name\n"
+ " part must be specified as partition name"
);
--
2.7.4
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