spl: spl_mmc: Clearer structure in spl_mmc_load_image and cosmetics

[karo-tx-uboot.git] / common / cmd_fastboot.c

diff --git a/common/cmd_fastboot.c b/common/cmd_fastboot.c
index 83fa7bdded5986a8488c588e883ba2b6a07f2ac9..d52ccfb3100eb8450af627c269202b57e7d35071 100644 (file)
--- a/common/cmd_fastboot.c
+++ b/common/cmd_fastboot.c
@@ -15,22 +15,35 @@ static int do_fastboot(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
 {
        int ret;
 
+       g_dnl_clear_detach();
        ret = g_dnl_register("usb_dnl_fastboot");
        if (ret)
                return ret;
 
+       if (!g_dnl_board_usb_cable_connected()) {
+               puts("\rUSB cable not detected.\n" \
+                    "Command exit.\n");
+               g_dnl_unregister();
+               g_dnl_clear_detach();
+               return CMD_RET_FAILURE;
+       }
+
        while (1) {
+               if (g_dnl_detach())
+                       break;
                if (ctrlc())
                        break;
-               usb_gadget_handle_interrupts();
+               usb_gadget_handle_interrupts(0);
        }
 
        g_dnl_unregister();
+       g_dnl_clear_detach();
        return CMD_RET_SUCCESS;
 }
 
 U_BOOT_CMD(
-       fastboot,       1,      1,      do_fastboot,
-       "fastboot - enter USB Fastboot protocol",
-       ""
+       fastboot,       1,      0,      do_fastboot,
+       "use USB Fastboot protocol",
+       "\n"
+       "    - run as a fastboot usb device"
 );