[PATCH v3 14/23] cmd: log: Use sub-commands for log

[Sean Anderson <seanga2@gmail.com>]

This reduces duplicate code, and makes adding new sub-commands easier.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
---

(no changes since v1)

 cmd/log.c | 31 ++++---------------------------
 1 file changed, 4 insertions(+), 27 deletions(-)

diff --git a/cmd/log.c b/cmd/log.c
index d20bfdf744..82e3a7b62f 100644
--- a/cmd/log.c
+++ b/cmd/log.c
@@ -103,30 +103,6 @@ static int do_log_rec(struct cmd_tbl *cmdtp, int flag, int argc,
 	return 0;
 }
 
-static struct cmd_tbl log_sub[] = {
-	U_BOOT_CMD_MKENT(level, CONFIG_SYS_MAXARGS, 1, do_log_level, "", ""),
-	U_BOOT_CMD_MKENT(format, CONFIG_SYS_MAXARGS, 1, do_log_format, "", ""),
-	U_BOOT_CMD_MKENT(rec, CONFIG_SYS_MAXARGS, 1, do_log_rec, "", ""),
-};
-
-static int do_log(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
-{
-	struct cmd_tbl *cp;
-
-	if (argc < 2)
-		return CMD_RET_USAGE;
-
-	/* drop initial "log" arg */
-	argc--;
-	argv++;
-
-	cp = find_cmd_tbl(argv[0], log_sub, ARRAY_SIZE(log_sub));
-	if (cp)
-		return cp->cmd(cmdtp, flag, argc, argv);
-
-	return CMD_RET_USAGE;
-}
-
 #ifdef CONFIG_SYS_LONGHELP
 static char log_help_text[] =
 	"level - get/set log level\n"
@@ -139,7 +115,8 @@ static char log_help_text[] =
 	;
 #endif
 
-U_BOOT_CMD(
-	log, CONFIG_SYS_MAXARGS, 1, do_log,
-	"log system", log_help_text
+U_BOOT_CMD_WITH_SUBCMDS(log, "log system", log_help_text,
+	U_BOOT_SUBCMD_MKENT(level, 2, 1, do_log_level),
+	U_BOOT_SUBCMD_MKENT(format, 2, 1, do_log_format),
+	U_BOOT_SUBCMD_MKENT(rec, 7, 1, do_log_rec),
 );
-- 
2.28.0