This patch add missing definition of dwc2_hsotg_core_disconnect and check configuration before using hsotg->test_mode, to fix build issue when config USB_DWC2_PERIPHERAL or USB_DWC2_DUAL_ROLE are not set. Fixes: bc0f0d4a5853 ("usb: dwc2: override PHY input signals with usb role switch support") Reported-by: kernel test robot <lkp@xxxxxxxxx> Signed-off-by: Amelie Delaunay <amelie.delaunay@xxxxxx> --- drivers/usb/dwc2/core.h | 1 + drivers/usb/dwc2/drd.c | 3 +++ 2 files changed, 4 insertions(+) diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h index 33e790ccefb3..7161344c6522 100644 --- a/drivers/usb/dwc2/core.h +++ b/drivers/usb/dwc2/core.h @@ -1425,6 +1425,7 @@ static inline int dwc2_gadget_init(struct dwc2_hsotg *hsotg) { return 0; } static inline void dwc2_hsotg_core_init_disconnected(struct dwc2_hsotg *dwc2, bool reset) {} +static inline void dwc2_hsotg_core_disconnect(struct dwc2_hsotg *hsotg) {} static inline void dwc2_hsotg_core_connect(struct dwc2_hsotg *hsotg) {} static inline void dwc2_hsotg_disconnect(struct dwc2_hsotg *dwc2) {} static inline int dwc2_hsotg_set_test_mode(struct dwc2_hsotg *hsotg, diff --git a/drivers/usb/dwc2/drd.c b/drivers/usb/dwc2/drd.c index 032efffa37ab..5099841b1417 100644 --- a/drivers/usb/dwc2/drd.c +++ b/drivers/usb/dwc2/drd.c @@ -76,11 +76,14 @@ static int dwc2_drd_role_sw_set(struct usb_role_switch *sw, enum usb_role role) (role == USB_ROLE_HOST && hsotg->dr_mode == USB_DR_MODE_PERIPHERAL)) return -EINVAL; +#if IS_ENABLED(CONFIG_USB_DWC2_PERIPHERAL) || \ + IS_ENABLED(CONFIG_USB_DWC2_DUAL_ROLE) /* Skip session if core is in test mode */ if (role == USB_ROLE_NONE && hsotg->test_mode) { dev_dbg(hsotg->dev, "Core is in test mode\n"); return -EBUSY; } +#endif spin_lock_irqsave(&hsotg->lock, flags); -- 2.17.1