Re: [PATCH v1 1/1] leds: an30259a: Get rid of custom led_init_default_state_get()

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Hi Andy,

I love your patch! Yet something to improve:

[auto build test ERROR on pavel-leds/for-next]
[also build test ERROR on linus/master v5.19 next-20220728]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Andy-Shevchenko/leds-an30259a-Get-rid-of-custom-led_init_default_state_get/20220803-053038
base:   git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds.git for-next
config: x86_64-randconfig-a005-20220801 (https://download.01.org/0day-ci/archive/20220803/202208030939.UxKQfaZY-lkp@xxxxxxxxx/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 52cd00cabf479aa7eb6dbb063b7ba41ea57bce9e)
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/intel-lab-lkp/linux/commit/757448b8fc5bcbc4303ce9570d5dd555f1e2b22e
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Andy-Shevchenko/leds-an30259a-Get-rid-of-custom-led_init_default_state_get/20220803-053038
        git checkout 757448b8fc5bcbc4303ce9570d5dd555f1e2b22e
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

>> drivers/leds/leds-an30259a.c:227:24: error: call to undeclared function 'led_init_default_state_get'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
                   led->default_state = led_init_default_state_get(led->fwnode);
                                        ^
   drivers/leds/leds-an30259a.c:204:14: warning: unused variable 'str' [-Wunused-variable]
           const char *str;
                       ^
   1 warning and 1 error generated.


vim +/led_init_default_state_get +227 drivers/leds/leds-an30259a.c

   197	
   198	static int an30259a_dt_init(struct i2c_client *client,
   199				    struct an30259a *chip)
   200	{
   201		struct device_node *np = dev_of_node(&client->dev), *child;
   202		int count, ret;
   203		int i = 0;
   204		const char *str;
   205		struct an30259a_led *led;
   206	
   207		count = of_get_available_child_count(np);
   208		if (!count || count > AN30259A_MAX_LEDS)
   209			return -EINVAL;
   210	
   211		for_each_available_child_of_node(np, child) {
   212			u32 source;
   213	
   214			ret = of_property_read_u32(child, "reg", &source);
   215			if (ret != 0 || !source || source > AN30259A_MAX_LEDS) {
   216				dev_err(&client->dev, "Couldn't read LED address: %d\n",
   217					ret);
   218				count--;
   219				continue;
   220			}
   221	
   222			led = &chip->leds[i];
   223	
   224			led->num = source;
   225			led->chip = chip;
   226			led->fwnode = of_fwnode_handle(child);
 > 227			led->default_state = led_init_default_state_get(led->fwnode);
   228	
   229			i++;
   230		}
   231	
   232		if (!count)
   233			return -EINVAL;
   234	
   235		chip->num_leds = i;
   236	
   237		return 0;
   238	}
   239	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp



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