diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index e4bc26e9b4b8..487a98d76d97 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -1531,15 +1531,17 @@ static int dwc3_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct resource *res, dwc_res; + struct dwc3_vendor *vdwc; struct dwc3 *dwc; int ret; void __iomem *regs; - dwc = devm_kzalloc(dev, sizeof(*dwc), GFP_KERNEL); - if (!dwc) + vdwc = devm_kzalloc(dev, sizeof(*vdwc), GFP_KERNEL); + if (!vdwc) return -ENOMEM; + dwc = &vdwc->dwc; dwc->dev = dev; diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 591c7927797e..d52d4ecf7597 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -1320,6 +1320,16 @@ struct dwc3 { ANDROID_KABI_RESERVE(4); }; +/** + * struct dwc3_vendor - contains parameters without modifying the format of DWC3 core + * @dwc: contains dwc3 core reference + * @softconnect: true when gadget connect is called, false when disconnect runs + */ +struct dwc3_vendor { + struct dwc3 dwc; + unsigned softconnect:1; +}; + #define INCRX_BURST_MODE 0 #define INCRX_UNDEF_LENGTH_BURST_MODE 1 diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index eecd51757707..77a5a0a3760d 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2457,9 +2457,11 @@ static int dwc3_gadget_soft_disconnect(struct dwc3 *dwc) static int dwc3_gadget_pullup(struct usb_gadget *g, int is_on) { struct dwc3 *dwc = gadget_to_dwc(g); + struct dwc3_vendor *vdwc = container_of(dwc, struct dwc3_vendor, dwc); int ret; is_on = !!is_on; + vdwc->softconnect = is_on; /* * Per databook, when we want to stop the gadget, if a control transfer @@ -4427,9 +4429,10 @@ int dwc3_gadget_suspend(struct dwc3 *dwc) int dwc3_gadget_resume(struct dwc3 *dwc) { + struct dwc3_vendor *vdwc = container_of(dwc, struct dwc3_vendor, dwc); int ret; - if (!dwc->gadget_driver) + if (!dwc->gadget_driver || !vdwc->softconnect) return 0; ret = __dwc3_gadget_start(dwc);