drivers/usb/dwc3/drd.c:508: undefined reference to `usb_role_switch_get_drvdata'

drivers/usb/dwc3/drd.c:508: undefined reference to `usb_role_switch_get_drvdata'

[kbuild test robot]

[-- Attachment #1: Type: text/plain, Size: 5808 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   194098915ac74daddca9d6ed46fd11be57f45e16
commit: 0339f7fbc82efb66504ededc49502856dccbfccf usb: dwc3: fix up for role switch API change
date:   3 months ago
config: ia64-randconfig-r013-20200602 (attached as .config)
compiler: ia64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 0339f7fbc82efb66504ededc49502856dccbfccf
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 

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

All errors (new ones prefixed by >>, old ones prefixed by <<):

ia64-linux-ld: arch/ia64/kernel/elfcore.o: in function `elf_core_write_extra_phdrs':
arch/ia64/kernel/elfcore.c:38: undefined reference to `dump_emit'
ia64-linux-ld: arch/ia64/kernel/elfcore.o: in function `elf_core_write_extra_data':
arch/ia64/kernel/elfcore.c:55: undefined reference to `dump_emit'
ia64-linux-ld: drivers/usb/dwc3/drd.o: in function `dwc3_usb_role_switch_get':
>> drivers/usb/dwc3/drd.c:508: undefined reference to `usb_role_switch_get_drvdata'
ia64-linux-ld: drivers/usb/dwc3/drd.o: in function `dwc3_usb_role_switch_set':
drivers/usb/dwc3/drd.c:484: undefined reference to `usb_role_switch_get_drvdata'
ia64-linux-ld: drivers/usb/dwc3/drd.o: in function `dwc3_setup_role_switch':
>> drivers/usb/dwc3/drd.c:555: undefined reference to `usb_role_switch_register'
ia64-linux-ld: drivers/usb/dwc3/drd.o: in function `dwc3_drd_exit':
>> drivers/usb/dwc3/drd.c:628: undefined reference to `usb_role_switch_unregister'

vim +508 drivers/usb/dwc3/drd.c

   505	
   506	static enum usb_role dwc3_usb_role_switch_get(struct usb_role_switch *sw)
   507	{
 > 508		struct dwc3 *dwc = usb_role_switch_get_drvdata(sw);
   509		unsigned long flags;
   510		enum usb_role role;
   511	
   512		spin_lock_irqsave(&dwc->lock, flags);
   513		switch (dwc->current_dr_role) {
   514		case DWC3_GCTL_PRTCAP_HOST:
   515			role = USB_ROLE_HOST;
   516			break;
   517		case DWC3_GCTL_PRTCAP_DEVICE:
   518			role = USB_ROLE_DEVICE;
   519			break;
   520		case DWC3_GCTL_PRTCAP_OTG:
   521			role = dwc->current_otg_role;
   522			break;
   523		default:
   524			if (dwc->role_switch_default_mode == USB_DR_MODE_HOST)
   525				role = USB_ROLE_HOST;
   526			else
   527				role = USB_ROLE_DEVICE;
   528			break;
   529		}
   530		spin_unlock_irqrestore(&dwc->lock, flags);
   531		return role;
   532	}
   533	
   534	static int dwc3_setup_role_switch(struct dwc3 *dwc)
   535	{
   536		struct usb_role_switch_desc dwc3_role_switch = {NULL};
   537		const char *str;
   538		u32 mode;
   539		int ret;
   540	
   541		ret = device_property_read_string(dwc->dev, "role-switch-default-mode",
   542						  &str);
   543		if (ret >= 0  && !strncmp(str, "host", strlen("host"))) {
   544			dwc->role_switch_default_mode = USB_DR_MODE_HOST;
   545			mode = DWC3_GCTL_PRTCAP_HOST;
   546		} else {
   547			dwc->role_switch_default_mode = USB_DR_MODE_PERIPHERAL;
   548			mode = DWC3_GCTL_PRTCAP_DEVICE;
   549		}
   550	
   551		dwc3_role_switch.fwnode = dev_fwnode(dwc->dev);
   552		dwc3_role_switch.set = dwc3_usb_role_switch_set;
   553		dwc3_role_switch.get = dwc3_usb_role_switch_get;
   554		dwc3_role_switch.driver_data = dwc;
 > 555		dwc->role_sw = usb_role_switch_register(dwc->dev, &dwc3_role_switch);
   556		if (IS_ERR(dwc->role_sw))
   557			return PTR_ERR(dwc->role_sw);
   558	
   559		dwc3_set_mode(dwc, mode);
   560		return 0;
   561	}
   562	#else
   563	#define ROLE_SWITCH 0
   564	#define dwc3_setup_role_switch(x) 0
   565	#endif
   566	
   567	int dwc3_drd_init(struct dwc3 *dwc)
   568	{
   569		int ret, irq;
   570	
   571		dwc->edev = dwc3_get_extcon(dwc);
   572		if (IS_ERR(dwc->edev))
   573			return PTR_ERR(dwc->edev);
   574	
   575		if (ROLE_SWITCH &&
   576		    device_property_read_bool(dwc->dev, "usb-role-switch")) {
   577			ret = dwc3_setup_role_switch(dwc);
   578			if (ret < 0)
   579				return ret;
   580		} else if (dwc->edev) {
   581			dwc->edev_nb.notifier_call = dwc3_drd_notifier;
   582			ret = extcon_register_notifier(dwc->edev, EXTCON_USB_HOST,
   583						       &dwc->edev_nb);
   584			if (ret < 0) {
   585				dev_err(dwc->dev, "couldn't register cable notifier\n");
   586				return ret;
   587			}
   588	
   589			dwc3_drd_update(dwc);
   590		} else {
   591			dwc3_set_prtcap(dwc, DWC3_GCTL_PRTCAP_OTG);
   592			dwc->current_dr_role = DWC3_GCTL_PRTCAP_OTG;
   593	
   594			/* use OTG block to get ID event */
   595			irq = dwc3_otg_get_irq(dwc);
   596			if (irq < 0)
   597				return irq;
   598	
   599			dwc->otg_irq = irq;
   600	
   601			/* disable all OTG IRQs */
   602			dwc3_otg_disable_events(dwc, DWC3_OTG_ALL_EVENTS);
   603			/* clear all events */
   604			dwc3_otg_clear_events(dwc);
   605	
   606			ret = request_threaded_irq(dwc->otg_irq, dwc3_otg_irq,
   607						   dwc3_otg_thread_irq,
   608						   IRQF_SHARED, "dwc3-otg", dwc);
   609			if (ret) {
   610				dev_err(dwc->dev, "failed to request irq #%d --> %d\n",
   611					dwc->otg_irq, ret);
   612				ret = -ENODEV;
   613				return ret;
   614			}
   615	
   616			dwc3_otg_init(dwc);
   617			dwc3_set_mode(dwc, DWC3_GCTL_PRTCAP_OTG);
   618		}
   619	
   620		return 0;
   621	}
   622	
   623	void dwc3_drd_exit(struct dwc3 *dwc)
   624	{
   625		unsigned long flags;
   626	
   627		if (dwc->role_sw)
 > 628			usb_role_switch_unregister(dwc->role_sw);

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

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 29624 bytes --]