[pinctrl:ib-mtk 2/22] drivers/pinctrl/mediatek/pinctrl-moore.c:601:18: error: implicit declaration of function 'irq_of_parse_and_map'

[kbuild test robot <lkp@xxxxxxxxx>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git ib-mtk
head:   6561859b067fcd6c5b89fd625b2c7dc324b706b5
commit: e78d57b2f87c053c224a612121fc842ebe511ad2 [2/22] pinctrl: mediatek: add pinctrl-moore that implements the generic pinctrl dt-bindings
config: openrisc-allmodconfig (attached as .config)
compiler: or1k-linux-gcc (GCC) 6.0.0 20160327 (experimental)
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout e78d57b2f87c053c224a612121fc842ebe511ad2
        # save the attached .config to linux build tree
        make.cross ARCH=openrisc 

Note: the pinctrl/ib-mtk HEAD 6561859b067fcd6c5b89fd625b2c7dc324b706b5 builds fine.
      It only hurts bisectibility.

All errors (new ones prefixed by >>):

   drivers/pinctrl/mediatek/pinctrl-moore.c: In function 'mtk_build_eint':
>> drivers/pinctrl/mediatek/pinctrl-moore.c:601:18: error: implicit declaration of function 'irq_of_parse_and_map' [-Werror=implicit-function-declaration]
     hw->eint->irq = irq_of_parse_and_map(np, 0);
                     ^~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/irq_of_parse_and_map +601 drivers/pinctrl/mediatek/pinctrl-moore.c

   574	
   575	static int
   576	mtk_build_eint(struct mtk_pinctrl *hw, struct platform_device *pdev)
   577	{
   578		struct device_node *np = pdev->dev.of_node;
   579		struct resource *res;
   580	
   581		if (!IS_ENABLED(CONFIG_EINT_MTK))
   582			return 0;
   583	
   584		if (!of_property_read_bool(np, "interrupt-controller"))
   585			return -ENODEV;
   586	
   587		hw->eint = devm_kzalloc(hw->dev, sizeof(*hw->eint), GFP_KERNEL);
   588		if (!hw->eint)
   589			return -ENOMEM;
   590	
   591		res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "eint");
   592		if (!res) {
   593			dev_err(&pdev->dev, "Unable to get eint resource\n");
   594			return -ENODEV;
   595		}
   596	
   597		hw->eint->base = devm_ioremap_resource(&pdev->dev, res);
   598		if (IS_ERR(hw->eint->base))
   599			return PTR_ERR(hw->eint->base);
   600	
 > 601		hw->eint->irq = irq_of_parse_and_map(np, 0);
   602		if (!hw->eint->irq)
   603			return -EINVAL;
   604	
   605		hw->eint->dev = &pdev->dev;
   606		hw->eint->hw = hw->soc->eint_hw;
   607		hw->eint->pctl = hw;
   608		hw->eint->gpio_xlate = &mtk_eint_xt;
   609	
   610		return mtk_eint_do_init(hw->eint);
   611	}
   612	

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