diff mbox series

[1/7] cmd: part: Add 'number' sub-command

Message ID 1543348642-31045-2-git-send-email-ruslan.trofymenko@linaro.org
State Superseded
Headers show
Series android: Implement A/B boot process | expand

Commit Message

Ruslan Trofymenko Nov. 27, 2018, 7:57 p.m. UTC 
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.trofymenko@linaro.org>
---
 cmd/part.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

Comments

Simon Glass Dec. 6, 2018, 1:31 a.m. UTC | #1 
On Tue, 27 Nov 2018 at 12:57, Ruslan Trofymenko
<ruslan.trofymenko@linaro.org> wrote:
>
> 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.trofymenko@linaro.org>
> ---
>  cmd/part.c | 16 +++++++++++++++-
>  1 file changed, 15 insertions(+), 1 deletion(-)

Reviewed-by: Simon Glass <sjg@chromium.org>
diff mbox series

Patch

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"
 );