If dual role configuration is not selected, check and force dr_mode
based on the selected configuration.
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@xxxxxxxxx>
Tested-by: Robert Baldyga <r.baldyga@xxxxxxxxxxx>
Tested-by: Dinh Nguyen <dinguyen@xxxxxxxxxxxxxxxxxxxxx>
Tested-by: John Youn <johnyoun@xxxxxxxxxxxx>
Acked-by: John Youn <johnyoun@xxxxxxxxxxxx>
---
drivers/usb/dwc2/platform.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c
index ed7a78e..0945e21 100644
--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -368,6 +368,17 @@ 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");
+ }
retval = dwc2_lowlevel_hw_init(hsotg);
if (retval)
--
2.3.3
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