ehci: Optimize qTD allocations

[oweals/u-boot.git] / common / command.c

diff --git a/common/command.c b/common/command.c
index fe290759cd06d871bd6779585e4c4d2c7ecadd45..aa0fb0a3d36b06830afdcbcb4c3a37bd5c158088 100644 (file)
--- a/common/command.c
+++ b/common/command.c
@@ -499,7 +499,7 @@ void fixup_cmdtable(cmd_tbl_t *cmdtp, int size)
  * @param argv         Arguments
  * @return 0 if command succeeded, else non-zero (CMD_RET_...)
  */
-int cmd_call(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int cmd_call(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
        int result;
 
@@ -508,3 +508,42 @@ int cmd_call(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
                debug("Command failed, result=%d", result);
        return result;
 }
+
+enum command_ret_t cmd_process(int flag, int argc, char * const argv[],
+                              int *repeatable)
+{
+       enum command_ret_t rc = CMD_RET_SUCCESS;
+       cmd_tbl_t *cmdtp;
+
+       /* Look up command in command table */
+       cmdtp = find_cmd(argv[0]);
+       if (cmdtp == NULL) {
+               printf("Unknown command '%s' - try 'help'\n", argv[0]);
+               return 1;
+       }
+
+       /* found - check max args */
+       if (argc > cmdtp->maxargs)
+               rc = CMD_RET_USAGE;
+
+#if defined(CONFIG_CMD_BOOTD)
+       /* avoid "bootd" recursion */
+       else if (cmdtp->cmd == do_bootd) {
+               if (flag & CMD_FLAG_BOOTD) {
+                       puts("'bootd' recursion detected\n");
+                       rc = CMD_RET_FAILURE;
+               } else {
+                       flag |= CMD_FLAG_BOOTD;
+               }
+       }
+#endif
+
+       /* If OK so far, then do the command */
+       if (!rc) {
+               rc = cmd_call(cmdtp, flag, argc, argv);
+               *repeatable &= cmdtp->repeatable;
+       }
+       if (rc == CMD_RET_USAGE)
+               rc = cmd_usage(cmdtp);
+       return rc;
+}