Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit f084e5f1 authored by qctecmdr Service's avatar qctecmdr Service Committed by Gerrit - the friendly Code Review server
Browse files

Merge "usb: dwc3-msm: Add support for default none mode if extcon absent"

parents b240176c be53d5c4

Documentation/devicetree/bindings/usb/msm-ssusb.txt

+2 −0
Original line number Diff line number Diff line
@@ -84,6 +84,8 @@ Optional properties : 
- qcom,host-poweroff-in-pm-suspend: If present, allow PM suspend to happen

	irrespective of runtimePM state of host and power collapse the core.

	This also leads to reset-resume of connected devices on PM resume.

- qcom,default-mode-none: If present, do not start any mode on probe for an OTG

	capable DWC3 which does not have extcon handle.

- qcom,default-mode-host: If present, start host mode on probe for an OTG

	capable DWC3 which does not have extcon handle.

drivers/usb/dwc3/dwc3-msm.c

+23 −8
Original line number Diff line number Diff line 
/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.

/* Copyright (c) 2012-2019, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -3753,16 +3753,31 @@ static int dwc3_msm_probe(struct platform_device *pdev) 
			queue_delayed_work(mdwc->sm_usb_wq, &mdwc->sm_work, 0);

		}

	} else {

		if ((dwc->dr_mode == USB_DR_MODE_OTG &&

		     !of_property_read_bool(node, "qcom,default-mode-host")) ||

		     dwc->dr_mode == USB_DR_MODE_PERIPHERAL) {

			dev_dbg(mdwc->dev, "%s: no extcon, start peripheral mode\n",

		switch (dwc->dr_mode) {

		case USB_DR_MODE_OTG:

			if (of_property_read_bool(node,

						"qcom,default-mode-host")) {

				dev_dbg(mdwc->dev, "%s: start host mode\n",

								__func__);

				mdwc->id_state = DWC3_ID_GROUND;

			} else if (of_property_read_bool(node,

						"qcom,default-mode-none")) {

				dev_dbg(mdwc->dev, "%s: stay in none mode\n",

								__func__);

			mdwc->vbus_active = true;

			} else {

			dev_dbg(mdwc->dev, "%s: no extcon, start host mode\n",

				dev_dbg(mdwc->dev, "%s: start peripheral mode\n",

								__func__);

				mdwc->vbus_active = true;

			}

			break;

		case USB_DR_MODE_HOST:

			mdwc->id_state = DWC3_ID_GROUND;

			break;

		case USB_DR_MODE_PERIPHERAL:

			/* fall through */

		default:

			mdwc->vbus_active = true;

			break;

		}



		dwc3_ext_event_notify(mdwc);