diff options
Diffstat (limited to 'common/cmd_dfu.c')
| -rw-r--r-- | common/cmd_dfu.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/common/cmd_dfu.c b/common/cmd_dfu.c index 2633b30e55..9e020b40be 100644 --- a/common/cmd_dfu.c +++ b/common/cmd_dfu.c @@ -15,6 +15,8 @@ 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; @@ -36,17 +38,28 @@ 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); - + dfu_clear_detach(); g_dnl_register("usb_dnl_dfu"); while (1) { - if (dfu_reset()) + if (dfu_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; @@ -58,9 +71,11 @@ exit: done: dfu_free_entities(); - if (dfu_reset()) + if (dfu_reset) run_command("reset", 0); + dfu_clear_detach(); + return ret; } |