usb: dwc3: core: Use role-switch default dr_mode
authorThinh Nguyen <Thinh.Nguyen@synopsys.com>
Mon, 30 Mar 2020 00:10:05 +0000 (17:10 -0700)
committerFelipe Balbi <balbi@kernel.org>
Tue, 5 May 2020 08:00:12 +0000 (11:00 +0300)
If the driver is configured to use DRD role-switch, let the drd code
path decide the default dr_mode.

Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
drivers/usb/dwc3/core.c

index 7046c68..ab6323b 100644 (file)
@@ -85,6 +85,8 @@ static int dwc3_get_dr_mode(struct dwc3 *dwc)
                 * specified or set to OTG, then set the mode to peripheral.
                 */
                if (mode == USB_DR_MODE_OTG &&
+                   (!IS_ENABLED(CONFIG_USB_ROLE_SWITCH) ||
+                    !device_property_read_bool(dwc->dev, "usb-role-switch")) &&
                    dwc->revision >= DWC3_REVISION_330A)
                        mode = USB_DR_MODE_PERIPHERAL;
        }