Hi Jianqun,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on rockchip/for-next]
[also build test ERROR on pinctrl/devel v5.9-rc3 next-20200828]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Jianqun-Xu/rockchip-pinctrl-fixes-for-GKI/20200831-165040
base:   https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git for-next
config: x86_64-randconfig-m031-20200901 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

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/pinctrl/pinctrl-rockchip.c: In function 'rockchip_pinctrl_parse_groups':
>> drivers/pinctrl/pinctrl-rockchip.c:2881:9: error: implicit declaration of function 'pinconf_generic_parse_dt_config'; did you mean 'pinconf_generic_dump_config'? [-Werror=implicit-function-declaration]
    2881 |   ret = pinconf_generic_parse_dt_config(np_config, NULL,
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         |         pinconf_generic_dump_config
   drivers/pinctrl/pinctrl-rockchip.c: In function 'rockchip_gpiolib_register':
>> drivers/pinctrl/pinctrl-rockchip.c:3473:5: error: 'struct gpio_chip' has no member named 'of_node'
    3473 |   gc->of_node = bank->of_node;
         |     ^~
   At top level:
   drivers/pinctrl/pinctrl-rockchip.c:2804:34: warning: 'rockchip_bank_match' defined but not used [-Wunused-const-variable=]
    2804 | static const struct of_device_id rockchip_bank_match[] = {
         |                                  ^~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

# https://github.com/0day-ci/linux/commit/38fa905767d010bbbc1035b48494d4a83bb72410
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Jianqun-Xu/rockchip-pinctrl-fixes-for-GKI/20200831-165040
git checkout 38fa905767d010bbbc1035b48494d4a83bb72410
vim +2881 drivers/pinctrl/pinctrl-rockchip.c

d3e5116119bd02 Heiko Stübner   2013-06-10  2823  
d3e5116119bd02 Heiko Stübner   2013-06-10  2824  static int rockchip_pinctrl_parse_groups(struct device_node *np,
d3e5116119bd02 Heiko Stübner   2013-06-10  2825  					      struct rockchip_pin_group *grp,
d3e5116119bd02 Heiko Stübner   2013-06-10  2826  					      struct rockchip_pinctrl *info,
d3e5116119bd02 Heiko Stübner   2013-06-10  2827  					      u32 index)
d3e5116119bd02 Heiko Stübner   2013-06-10  2828  {
d3e5116119bd02 Heiko Stübner   2013-06-10  2829  	struct rockchip_pin_bank *bank;
d3e5116119bd02 Heiko Stübner   2013-06-10  2830  	int size;
d3e5116119bd02 Heiko Stübner   2013-06-10  2831  	const __be32 *list;
d3e5116119bd02 Heiko Stübner   2013-06-10  2832  	int num;
d3e5116119bd02 Heiko Stübner   2013-06-10  2833  	int i, j;
d3e5116119bd02 Heiko Stübner   2013-06-10  2834  	int ret;
d3e5116119bd02 Heiko Stübner   2013-06-10  2835  
94f4e54cecaf3e Rob Herring     2018-08-27  2836  	dev_dbg(info->dev, "group(%d): %pOFn\n", index, np);
d3e5116119bd02 Heiko Stübner   2013-06-10  2837  
d3e5116119bd02 Heiko Stübner   2013-06-10  2838  	/* Initialise group */
d3e5116119bd02 Heiko Stübner   2013-06-10  2839  	grp->name = np->name;
d3e5116119bd02 Heiko Stübner   2013-06-10  2840  
d3e5116119bd02 Heiko Stübner   2013-06-10  2841  	/*
d3e5116119bd02 Heiko Stübner   2013-06-10  2842  	 * the binding format is rockchip,pins = <bank pin mux CONFIG>,
d3e5116119bd02 Heiko Stübner   2013-06-10  2843  	 * do sanity check and calculate pins number
d3e5116119bd02 Heiko Stübner   2013-06-10  2844  	 */
d3e5116119bd02 Heiko Stübner   2013-06-10  2845  	list = of_get_property(np, "rockchip,pins", &size);
d3e5116119bd02 Heiko Stübner   2013-06-10  2846  	/* we do not check return since it's safe node passed down */
d3e5116119bd02 Heiko Stübner   2013-06-10  2847  	size /= sizeof(*list);
d3e5116119bd02 Heiko Stübner   2013-06-10  2848  	if (!size || size % 4) {
d3e5116119bd02 Heiko Stübner   2013-06-10  2849  		dev_err(info->dev, "wrong pins number or pins and configs should be by 4\n");
d3e5116119bd02 Heiko Stübner   2013-06-10  2850  		return -EINVAL;
d3e5116119bd02 Heiko Stübner   2013-06-10  2851  	}
d3e5116119bd02 Heiko Stübner   2013-06-10  2852  
d3e5116119bd02 Heiko Stübner   2013-06-10  2853  	grp->npins = size / 4;
d3e5116119bd02 Heiko Stübner   2013-06-10  2854  
a86854d0c599b3 Kees Cook       2018-06-12  2855  	grp->pins = devm_kcalloc(info->dev, grp->npins, sizeof(unsigned int),
d3e5116119bd02 Heiko Stübner   2013-06-10  2856  						GFP_KERNEL);
a86854d0c599b3 Kees Cook       2018-06-12  2857  	grp->data = devm_kcalloc(info->dev,
a86854d0c599b3 Kees Cook       2018-06-12  2858  					grp->npins,
d3e5116119bd02 Heiko Stübner   2013-06-10  2859  					sizeof(struct rockchip_pin_config),
d3e5116119bd02 Heiko Stübner   2013-06-10  2860  					GFP_KERNEL);
d3e5116119bd02 Heiko Stübner   2013-06-10  2861  	if (!grp->pins || !grp->data)
d3e5116119bd02 Heiko Stübner   2013-06-10  2862  		return -ENOMEM;
d3e5116119bd02 Heiko Stübner   2013-06-10  2863  
d3e5116119bd02 Heiko Stübner   2013-06-10  2864  	for (i = 0, j = 0; i < size; i += 4, j++) {
d3e5116119bd02 Heiko Stübner   2013-06-10  2865  		const __be32 *phandle;
d3e5116119bd02 Heiko Stübner   2013-06-10  2866  		struct device_node *np_config;
d3e5116119bd02 Heiko Stübner   2013-06-10  2867  
d3e5116119bd02 Heiko Stübner   2013-06-10  2868  		num = be32_to_cpu(*list++);
d3e5116119bd02 Heiko Stübner   2013-06-10  2869  		bank = bank_num_to_bank(info, num);
d3e5116119bd02 Heiko Stübner   2013-06-10  2870  		if (IS_ERR(bank))
d3e5116119bd02 Heiko Stübner   2013-06-10  2871  			return PTR_ERR(bank);
d3e5116119bd02 Heiko Stübner   2013-06-10  2872  
d3e5116119bd02 Heiko Stübner   2013-06-10  2873  		grp->pins[j] = bank->pin_base + be32_to_cpu(*list++);
d3e5116119bd02 Heiko Stübner   2013-06-10  2874  		grp->data[j].func = be32_to_cpu(*list++);
d3e5116119bd02 Heiko Stübner   2013-06-10  2875  
d3e5116119bd02 Heiko Stübner   2013-06-10  2876  		phandle = list++;
d3e5116119bd02 Heiko Stübner   2013-06-10  2877  		if (!phandle)
d3e5116119bd02 Heiko Stübner   2013-06-10  2878  			return -EINVAL;
d3e5116119bd02 Heiko Stübner   2013-06-10  2879  
d3e5116119bd02 Heiko Stübner   2013-06-10  2880  		np_config = of_find_node_by_phandle(be32_to_cpup(phandle));
dd4d01f7bad886 Soren Brinkmann 2015-01-09 @2881  		ret = pinconf_generic_parse_dt_config(np_config, NULL,
d3e5116119bd02 Heiko Stübner   2013-06-10  2882  				&grp->data[j].configs, &grp->data[j].nconfigs);
d3e5116119bd02 Heiko Stübner   2013-06-10  2883  		if (ret)
d3e5116119bd02 Heiko Stübner   2013-06-10  2884  			return ret;
d3e5116119bd02 Heiko Stübner   2013-06-10  2885  	}
d3e5116119bd02 Heiko Stübner   2013-06-10  2886  
d3e5116119bd02 Heiko Stübner   2013-06-10  2887  	return 0;
d3e5116119bd02 Heiko Stübner   2013-06-10  2888  }
d3e5116119bd02 Heiko Stübner   2013-06-10  2889  

---
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