UPSTREAM: usb: dwc3: core: fixup dr_mode fallback selection

We shouldn't change a host-only dwc3 to gadget-only
if driver is built as gadget-only. Fix that up here.

Change-Id: I7ff835a565e1d4d06e142f3fa9990ce96e85556e
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Wu Liang feng <wulf@rock-chips.com>
(cherry picked from commit 5f82279a0c76825bfc6f5fa213ff82c932161462)

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 6db8dc563fbc50f8fb86f793c8a1675e34e2189c..63fff50abcd071a56be1742dc69afcb65dd704c0 100644 (file)
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -994,9 +994,13 @@ static int dwc3_probe(struct platform_device *pdev)
                goto err0;
        }
 
-       if (IS_ENABLED(CONFIG_USB_DWC3_HOST))
+       if (IS_ENABLED(CONFIG_USB_DWC3_HOST) &&
+                       (dwc->dr_mode == USB_DR_MODE_OTG ||
+                                       dwc->dr_mode == USB_DR_MODE_UNKNOWN))
                dwc->dr_mode = USB_DR_MODE_HOST;
-       else if (IS_ENABLED(CONFIG_USB_DWC3_GADGET))
+       else if (IS_ENABLED(CONFIG_USB_DWC3_GADGET) &&
+                       (dwc->dr_mode == USB_DR_MODE_OTG ||
+                                       dwc->dr_mode == USB_DR_MODE_UNKNOWN))
                dwc->dr_mode = USB_DR_MODE_PERIPHERAL;
 
        if (dwc->dr_mode == USB_DR_MODE_UNKNOWN)