[balbi-usb:testing/next 32/38] drivers/usb/dwc2/drd.c:71: undefined reference to `usb_role_switch_get_drvdata'

[kernel test robot <lkp@intel.com>]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git testing/next
head:   3c9722514c3fb74bbe0af87c20bc6b4c47121287
commit: a0f0bc95705446b8b1476338056bf869271ba36a [32/38] usb: dwc2: override PHY input signals with usb role switch support
config: i386-randconfig-a014-20200914 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
        git checkout a0f0bc95705446b8b1476338056bf869271ba36a
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   ld: drivers/usb/dwc2/drd.o: in function `dwc2_drd_role_sw_set':
>> drivers/usb/dwc2/drd.c:71: undefined reference to `usb_role_switch_get_drvdata'
   ld: drivers/usb/dwc2/drd.o: in function `dwc2_drd_init':
>> drivers/usb/dwc2/drd.c:134: undefined reference to `usb_role_switch_register'
   ld: drivers/usb/dwc2/drd.o: in function `dwc2_drd_exit':
>> drivers/usb/dwc2/drd.c:179: undefined reference to `usb_role_switch_unregister'

# https://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git/commit/?id=a0f0bc95705446b8b1476338056bf869271ba36a
git remote add balbi-usb https://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git
git fetch --no-tags balbi-usb testing/next
git checkout a0f0bc95705446b8b1476338056bf869271ba36a
vim +71 drivers/usb/dwc2/drd.c

    68	
    69	static int dwc2_drd_role_sw_set(struct usb_role_switch *sw, enum usb_role role)
    70	{
  > 71		struct dwc2_hsotg *hsotg = usb_role_switch_get_drvdata(sw);
    72		unsigned long flags;
    73		int already = 0;
    74	
    75		/* Skip session not in line with dr_mode */
    76		if ((role == USB_ROLE_DEVICE && hsotg->dr_mode == USB_DR_MODE_HOST) ||
    77		    (role == USB_ROLE_HOST && hsotg->dr_mode == USB_DR_MODE_PERIPHERAL))
    78			return -EINVAL;
    79	
    80	#if IS_ENABLED(CONFIG_USB_DWC2_PERIPHERAL) || \
    81		IS_ENABLED(CONFIG_USB_DWC2_DUAL_ROLE)
    82		/* Skip session if core is in test mode */
    83		if (role == USB_ROLE_NONE && hsotg->test_mode) {
    84			dev_dbg(hsotg->dev, "Core is in test mode\n");
    85			return -EBUSY;
    86		}
    87	#endif
    88	
    89		spin_lock_irqsave(&hsotg->lock, flags);
    90	
    91		if (role == USB_ROLE_HOST) {
    92			already = dwc2_ovr_avalid(hsotg, true);
    93		} else if (role == USB_ROLE_DEVICE) {
    94			already = dwc2_ovr_bvalid(hsotg, true);
    95			/* This clear DCTL.SFTDISCON bit */
    96			dwc2_hsotg_core_connect(hsotg);
    97		} else {
    98			if (dwc2_is_device_mode(hsotg)) {
    99				if (!dwc2_ovr_bvalid(hsotg, false))
   100					/* This set DCTL.SFTDISCON bit */
   101					dwc2_hsotg_core_disconnect(hsotg);
   102			} else {
   103				dwc2_ovr_avalid(hsotg, false);
   104			}
   105		}
   106	
   107		spin_unlock_irqrestore(&hsotg->lock, flags);
   108	
   109		if (!already && hsotg->dr_mode == USB_DR_MODE_OTG)
   110			/* This will raise a Connector ID Status Change Interrupt */
   111			dwc2_force_mode(hsotg, role == USB_ROLE_HOST);
   112	
   113		dev_dbg(hsotg->dev, "%s-session valid\n",
   114			role == USB_ROLE_NONE ? "No" :
   115			role == USB_ROLE_HOST ? "A" : "B");
   116	
   117		return 0;
   118	}
   119	
   120	int dwc2_drd_init(struct dwc2_hsotg *hsotg)
   121	{
   122		struct usb_role_switch_desc role_sw_desc = {0};
   123		struct usb_role_switch *role_sw;
   124		int ret;
   125	
   126		if (!device_property_read_bool(hsotg->dev, "usb-role-switch"))
   127			return 0;
   128	
   129		role_sw_desc.driver_data = hsotg;
   130		role_sw_desc.fwnode = dev_fwnode(hsotg->dev);
   131		role_sw_desc.set = dwc2_drd_role_sw_set;
   132		role_sw_desc.allow_userspace_control = true;
   133	
 > 134		role_sw = usb_role_switch_register(hsotg->dev, &role_sw_desc);
   135		if (IS_ERR(role_sw)) {
   136			ret = PTR_ERR(role_sw);
   137			dev_err(hsotg->dev,
   138				"failed to register role switch: %d\n", ret);
   139			return ret;
   140		}
   141	
   142		hsotg->role_sw = role_sw;
   143	
   144		/* Enable override and initialize values */
   145		dwc2_ovr_init(hsotg);
   146	
   147		return 0;
   148	}
   149	
   150	void dwc2_drd_suspend(struct dwc2_hsotg *hsotg)
   151	{
   152		u32 gintsts, gintmsk;
   153	
   154		if (hsotg->role_sw && !hsotg->params.external_id_pin_ctl) {
   155			gintmsk = dwc2_readl(hsotg, GINTMSK);
   156			gintmsk &= ~GINTSTS_CONIDSTSCHNG;
   157			dwc2_writel(hsotg, gintmsk, GINTMSK);
   158			gintsts = dwc2_readl(hsotg, GINTSTS);
   159			dwc2_writel(hsotg, gintsts | GINTSTS_CONIDSTSCHNG, GINTSTS);
   160		}
   161	}
   162	
   163	void dwc2_drd_resume(struct dwc2_hsotg *hsotg)
   164	{
   165		u32 gintsts, gintmsk;
   166	
   167		if (hsotg->role_sw && !hsotg->params.external_id_pin_ctl) {
   168			gintsts = dwc2_readl(hsotg, GINTSTS);
   169			dwc2_writel(hsotg, gintsts | GINTSTS_CONIDSTSCHNG, GINTSTS);
   170			gintmsk = dwc2_readl(hsotg, GINTMSK);
   171			gintmsk |= GINTSTS_CONIDSTSCHNG;
   172			dwc2_writel(hsotg, gintmsk, GINTMSK);
   173		}
   174	}
   175	
   176	void dwc2_drd_exit(struct dwc2_hsotg *hsotg)
   177	{
   178		if (hsotg->role_sw)
 > 179			usb_role_switch_unregister(hsotg->role_sw);

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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