Commit 857512d0 authored by Mian Yousaf Kaukab's avatar Mian Yousaf Kaukab Committed by Felipe Balbi
Browse files

usb: dwc2: force dr_mode in case of configuration mismatch 



If dual role configuration is not selected, check and force dr_mode
based on the selected configuration.

Signed-off-by: default avatarMian Yousaf Kaukab <yousaf.kaukab@intel.com>
Tested-by: default avatarRobert Baldyga <r.baldyga@samsung.com>
Tested-by: default avatarDinh Nguyen <dinguyen@opensource.altera.com>
Tested-by: default avatarJohn Youn <johnyoun@synopsys.com>
Acked-by: default avatarJohn Youn <johnyoun@synopsys.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent fa50bff6

drivers/usb/dwc2/platform.c

+11 −0
Original line number Diff line number Diff line
@@ -221,6 +221,17 @@ static int dwc2_driver_probe(struct platform_device *dev) 
		(unsigned long)res->start, hsotg->regs);



	hsotg->dr_mode = usb_get_dr_mode(&dev->dev);

	if (IS_ENABLED(CONFIG_USB_DWC2_HOST) &&

			hsotg->dr_mode != USB_DR_MODE_HOST) {

		hsotg->dr_mode = USB_DR_MODE_HOST;

		dev_warn(hsotg->dev,

			"Configuration mismatch. Forcing host mode\n");

	} else if (IS_ENABLED(CONFIG_USB_DWC2_PERIPHERAL) &&

			hsotg->dr_mode != USB_DR_MODE_PERIPHERAL) {

		hsotg->dr_mode = USB_DR_MODE_PERIPHERAL;

		dev_warn(hsotg->dev,

			"Configuration mismatch. Forcing peripheral mode\n");

	}



	/*

	 * Attempt to find a generic PHY, then look for an old style