tree:   git://git.armlinux.org.uk/~rmk/linux-arm.git sa1100
head:   1b2ebea7666f89e5ab504e2a46a935f804c7f65e
commit: 605584b1c77f0168d48af859c213034d1d2c66a2 [1/56] ARM: sa1100/neponset: add ethernet oscillator
config: arm-neponset_defconfig (attached as .config)
compiler: arm-linux-gnueabi-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 remote add arm git://git.armlinux.org.uk/~rmk/linux-arm.git
        git fetch --no-tags arm sa1100
        git checkout 605584b1c77f0168d48af859c213034d1d2c66a2
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm 

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

All error/warnings (new ones prefixed by >>):

   arch/arm/mach-sa1100/neponset.c: In function 'neponset_init_enet':
>> arch/arm/mach-sa1100/neponset.c:238:21: error: implicit declaration of function 'clk_hw_register_gpio_gate'; did you mean 'clk_hw_register_gate'? [-Werror=implicit-function-declaration]
     238 |  d->enet_osc_gate = clk_hw_register_gpio_gate(dev, "nep_enet_gate",
         |                     ^~~~~~~~~~~~~~~~~~~~~~~~~
         |                     clk_hw_register_gate
>> arch/arm/mach-sa1100/neponset.c:238:19: warning: assignment to 'struct clk_hw *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     238 |  d->enet_osc_gate = clk_hw_register_gpio_gate(dev, "nep_enet_gate",
         |                   ^
   cc1: some warnings being treated as errors


vim +238 arch/arm/mach-sa1100/neponset.c

   226	
   227	static int neponset_init_enet(struct device *dev, struct neponset_drvdata *d)
   228	{
   229		struct gpio_desc *gpio;
   230		int ret;
   231	
   232		d->enet_osc_ck = clk_hw_register_fixed_rate(dev, "nep_enet_osc",
   233							    NULL, 0, 20000000);
   234		if (IS_ERR(d->enet_osc_ck))
   235			return PTR_ERR(d->enet_osc_ck);
   236	
   237		gpio = gpio_to_desc(d->gpio[0]->base + 3);
 > 238		d->enet_osc_gate = clk_hw_register_gpio_gate(dev, "nep_enet_gate",
   239							     "nep_enet_osc", gpio, 0);
   240		if (IS_ERR(d->enet_osc_gate)) {
   241			ret = PTR_ERR(d->enet_osc_gate);
   242			goto err;
   243		}
   244	
   245		d->enet_osc_cl = clkdev_hw_create(d->enet_osc_gate, NULL, "smc91x.0");
   246		if (!d->enet_osc_cl) {
   247			ret = -ENOMEM;
   248			goto err;
   249		}
   250	
   251		return 0;
   252	
   253	err:
   254		if (d->enet_osc_ck)
   255			clk_hw_unregister_fixed_rate(d->enet_osc_ck);
   256		return ret;
   257	}
   258	

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