X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=common%2Fcmd_dfu.c;h=857148f8afef2562098358bc6615506d14716fc3;hb=df349e8a55f2cd750d1a998901896b8237d5c777;hp=2633b30e556f4be8dd685405eb472c4a63acd725;hpb=5a1095a830299aef8dd32495e505e92ab1749e89;p=karo-tx-uboot.git

diff --git a/common/cmd_dfu.c b/common/cmd_dfu.c
index 2633b30e55..857148f8af 100644
--- a/common/cmd_dfu.c
+++ b/common/cmd_dfu.c
@@ -9,12 +9,15 @@
  */
 
 #include <common.h>
+#include <watchdog.h>
 #include <dfu.h>
 #include <g_dnl.h>
 #include <usb.h>
 
 static int do_dfu(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
+	bool dfu_reset = false;
+
 	if (argc < 4)
 		return CMD_RET_USAGE;
 
@@ -36,31 +39,46 @@ static int do_dfu(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 
 	int controller_index = simple_strtoul(usb_controller, NULL, 0);
 	board_usb_init(controller_index, USB_INIT_DEVICE);
-
+	g_dnl_clear_detach();
 	g_dnl_register("usb_dnl_dfu");
 	while (1) {
-		if (dfu_reset())
+		if (g_dnl_detach()) {
+			/*
+			 * Check if USB bus reset is performed after detach,
+			 * which indicates that -R switch has been passed to
+			 * dfu-util. In this case reboot the device
+			 */
+			if (dfu_usb_get_reset()) {
+				dfu_reset = true;
+				goto exit;
+			}
+
 			/*
 			 * This extra number of usb_gadget_handle_interrupts()
 			 * calls is necessary to assure correct transmission
 			 * completion with dfu-util
 			 */
-			if (++i == 10)
+			if (++i == 10000)
 				goto exit;
+		}
 
 		if (ctrlc())
 			goto exit;
 
-		usb_gadget_handle_interrupts();
+		WATCHDOG_RESET();
+		usb_gadget_handle_interrupts(controller_index);
 	}
 exit:
 	g_dnl_unregister();
+	board_usb_cleanup(controller_index, USB_INIT_DEVICE);
 done:
 	dfu_free_entities();
 
-	if (dfu_reset())
+	if (dfu_reset)
 		run_command("reset", 0);
 
+	g_dnl_clear_detach();
+
 	return ret;
 }