[thierryreding:for-5.11/suspend 18/23] drivers/usb/host/xhci-tegra.c:2179:8: error: implicit declaration of function 'tegra_xusb_enter_elpg'; did you mean

[thierryreding:for-5.11/suspend 18/23] drivers/usb/host/xhci-tegra.c:2179:8: error: implicit declaration of function 'tegra_xusb_enter_elpg'; did you mean

[kernel test robot]

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tree:   https://github.com/thierryreding/linux for-5.11/suspend
head:   00480d8a4afba78936d3a3ca2c4272538affb838
commit: b8561a2e4c1332363e61ebf6f2b04a8aaee8cfeb [18/23] xhci: tegra: Enable ELPG for runtime/system PM
config: arm64-randconfig-r015-20201113 (attached as .config)
compiler: aarch64-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
        # https://github.com/thierryreding/linux/commit/b8561a2e4c1332363e61ebf6f2b04a8aaee8cfeb
        git remote add thierryreding https://github.com/thierryreding/linux
        git fetch --no-tags thierryreding for-5.11/suspend
        git checkout b8561a2e4c1332363e61ebf6f2b04a8aaee8cfeb
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 

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 >>):

   drivers/usb/host/xhci-tegra.c: In function 'tegra_xusb_runtime_suspend':
>> drivers/usb/host/xhci-tegra.c:2179:8: error: implicit declaration of function 'tegra_xusb_enter_elpg'; did you mean 'tegra_pm_enter_lp2'? [-Werror=implicit-function-declaration]
    2179 |  ret = tegra_xusb_enter_elpg(tegra, true);
         |        ^~~~~~~~~~~~~~~~~~~~~
         |        tegra_pm_enter_lp2
   drivers/usb/host/xhci-tegra.c: In function 'tegra_xusb_runtime_resume':
>> drivers/usb/host/xhci-tegra.c:2191:8: error: implicit declaration of function 'tegra_xusb_exit_elpg'; did you mean 'tegra_xusb_get_phy'? [-Werror=implicit-function-declaration]
    2191 |  err = tegra_xusb_exit_elpg(tegra, true);
         |        ^~~~~~~~~~~~~~~~~~~~
         |        tegra_xusb_get_phy
   At top level:
   drivers/usb/host/xhci-tegra.c:1285:13: warning: 'is_host_mode_phy' defined but not used [-Wunused-function]
    1285 | static bool is_host_mode_phy(struct tegra_xusb *tegra, unsigned int phy_type, unsigned int index)
         |             ^~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +2179 drivers/usb/host/xhci-tegra.c

  2170	
  2171	#ifdef CONFIG_PM
  2172	static int tegra_xusb_runtime_suspend(struct device *dev)
  2173	{
  2174		struct tegra_xusb *tegra = dev_get_drvdata(dev);
  2175		int ret;
  2176	
  2177		synchronize_irq(tegra->mbox_irq);
  2178		mutex_lock(&tegra->lock);
> 2179		ret = tegra_xusb_enter_elpg(tegra, true);
  2180		mutex_unlock(&tegra->lock);
  2181	
  2182		return ret;
  2183	}
  2184	
  2185	static int tegra_xusb_runtime_resume(struct device *dev)
  2186	{
  2187		struct tegra_xusb *tegra = dev_get_drvdata(dev);
  2188		int err;
  2189	
  2190		mutex_lock(&tegra->lock);
> 2191		err = tegra_xusb_exit_elpg(tegra, true);
  2192		mutex_unlock(&tegra->lock);
  2193	
  2194		return err;
  2195	}
  2196	#endif
  2197	

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

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