Re: [PATCH v2] gpio: regmap: set gpio_chip of_node

[kernel test robot <lkp@intel.com>]

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Hi "Álvaro,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on gpio/for-next]
[also build test ERROR on v5.12-rc3 next-20210317]
[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/lvaro-Fern-ndez-Rojas/gpio-regmap-set-gpio_chip-of_node/20210304-152016
base:   https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git for-next
config: x86_64-randconfig-a013-20210317 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8ef111222a3dd12a9175f69c3bff598c46e8bdf7)
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
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://github.com/0day-ci/linux/commit/832a71aa1e741f0ef3b28952bf53627a820a7d68
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review lvaro-Fern-ndez-Rojas/gpio-regmap-set-gpio_chip-of_node/20210304-152016
        git checkout 832a71aa1e741f0ef3b28952bf53627a820a7d68
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross 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/gpio/gpio-regmap.c:252:8: error: no member named 'of_node' in 'struct gpio_chip'
           chip->of_node = config->of_node ?: dev_of_node(config->parent);
           ~~~~  ^
   1 error generated.


vim +252 drivers/gpio/gpio-regmap.c

   192	
   193	/**
   194	 * gpio_regmap_register() - Register a generic regmap GPIO controller
   195	 * @config: configuration for gpio_regmap
   196	 *
   197	 * Return: A pointer to the registered gpio_regmap or ERR_PTR error value.
   198	 */
   199	struct gpio_regmap *gpio_regmap_register(const struct gpio_regmap_config *config)
   200	{
   201		struct gpio_regmap *gpio;
   202		struct gpio_chip *chip;
   203		int ret;
   204	
   205		if (!config->parent)
   206			return ERR_PTR(-EINVAL);
   207	
   208		if (!config->ngpio)
   209			return ERR_PTR(-EINVAL);
   210	
   211		/* we need at least one */
   212		if (!config->reg_dat_base && !config->reg_set_base)
   213			return ERR_PTR(-EINVAL);
   214	
   215		/* if we have a direction register we need both input and output */
   216		if ((config->reg_dir_out_base || config->reg_dir_in_base) &&
   217		    (!config->reg_dat_base || !config->reg_set_base))
   218			return ERR_PTR(-EINVAL);
   219	
   220		/* we don't support having both registers simultaneously for now */
   221		if (config->reg_dir_out_base && config->reg_dir_in_base)
   222			return ERR_PTR(-EINVAL);
   223	
   224		gpio = kzalloc(sizeof(*gpio), GFP_KERNEL);
   225		if (!gpio)
   226			return ERR_PTR(-ENOMEM);
   227	
   228		gpio->parent = config->parent;
   229		gpio->regmap = config->regmap;
   230		gpio->ngpio_per_reg = config->ngpio_per_reg;
   231		gpio->reg_stride = config->reg_stride;
   232		gpio->reg_mask_xlate = config->reg_mask_xlate;
   233		gpio->reg_dat_base = config->reg_dat_base;
   234		gpio->reg_set_base = config->reg_set_base;
   235		gpio->reg_clr_base = config->reg_clr_base;
   236		gpio->reg_dir_in_base = config->reg_dir_in_base;
   237		gpio->reg_dir_out_base = config->reg_dir_out_base;
   238	
   239		/* if not set, assume there is only one register */
   240		if (!gpio->ngpio_per_reg)
   241			gpio->ngpio_per_reg = config->ngpio;
   242	
   243		/* if not set, assume they are consecutive */
   244		if (!gpio->reg_stride)
   245			gpio->reg_stride = 1;
   246	
   247		if (!gpio->reg_mask_xlate)
   248			gpio->reg_mask_xlate = gpio_regmap_simple_xlate;
   249	
   250		chip = &gpio->gpio_chip;
   251		chip->parent = config->parent;
 > 252		chip->of_node = config->of_node ?: dev_of_node(config->parent);
   253		chip->base = -1;
   254		chip->ngpio = config->ngpio;
   255		chip->names = config->names;
   256		chip->label = config->label ?: dev_name(config->parent);
   257	
   258		/*
   259		 * If our regmap is fast_io we should probably set can_sleep to false.
   260		 * Right now, the regmap doesn't save this property, nor is there any
   261		 * access function for it.
   262		 * The only regmap type which uses fast_io is regmap-mmio. For now,
   263		 * assume a safe default of true here.
   264		 */
   265		chip->can_sleep = true;
   266	
   267		chip->get = gpio_regmap_get;
   268		if (gpio->reg_set_base && gpio->reg_clr_base)
   269			chip->set = gpio_regmap_set_with_clear;
   270		else if (gpio->reg_set_base)
   271			chip->set = gpio_regmap_set;
   272	
   273		if (gpio->reg_dir_in_base || gpio->reg_dir_out_base) {
   274			chip->get_direction = gpio_regmap_get_direction;
   275			chip->direction_input = gpio_regmap_direction_input;
   276			chip->direction_output = gpio_regmap_direction_output;
   277		}
   278	
   279		ret = gpiochip_add_data(chip, gpio);
   280		if (ret < 0)
   281			goto err_free_gpio;
   282	
   283		if (config->irq_domain) {
   284			ret = gpiochip_irqchip_add_domain(chip, config->irq_domain);
   285			if (ret)
   286				goto err_remove_gpiochip;
   287		}
   288	
   289		return gpio;
   290	
   291	err_remove_gpiochip:
   292		gpiochip_remove(chip);
   293	err_free_gpio:
   294		kfree(gpio);
   295		return ERR_PTR(ret);
   296	}
   297	EXPORT_SYMBOL_GPL(gpio_regmap_register);
   298	

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

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