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! Perhaps something to improve:

[auto build test WARNING on pavel-leds/for-next]
[also build test WARNING 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: i386-allyesconfig (https://download.01.org/0day-ci/archive/20220803/202208030937.hTPCqZ9v-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
reproduce (this is a W=1 build):
        # 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
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/leds/

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

All warnings (new ones prefixed by >>):

   drivers/leds/leds-an30259a.c: In function 'an30259a_dt_init':
   drivers/leds/leds-an30259a.c:227:38: error: implicit declaration of function 'led_init_default_state_get'; did you mean 'led_get_default_pattern'? [-Werror=implicit-function-declaration]
     227 |                 led->default_state = led_init_default_state_get(led->fwnode);
         |                                      ^~~~~~~~~~~~~~~~~~~~~~~~~~
         |                                      led_get_default_pattern
>> drivers/leds/leds-an30259a.c:204:21: warning: unused variable 'str' [-Wunused-variable]
     204 |         const char *str;
         |                     ^~~
   cc1: some warnings being treated as errors


vim +/str +204 drivers/leds/leds-an30259a.c

2d00f35c55e74f Simon Shields    2018-09-09  197  
2d00f35c55e74f Simon Shields    2018-09-09  198  static int an30259a_dt_init(struct i2c_client *client,
2d00f35c55e74f Simon Shields    2018-09-09  199  			    struct an30259a *chip)
2d00f35c55e74f Simon Shields    2018-09-09  200  {
8853c95e997e0a Marek Behún      2020-09-18  201  	struct device_node *np = dev_of_node(&client->dev), *child;
2d00f35c55e74f Simon Shields    2018-09-09  202  	int count, ret;
2d00f35c55e74f Simon Shields    2018-09-09  203  	int i = 0;
2d00f35c55e74f Simon Shields    2018-09-09 @204  	const char *str;
2d00f35c55e74f Simon Shields    2018-09-09  205  	struct an30259a_led *led;
2d00f35c55e74f Simon Shields    2018-09-09  206  
99a013c840a050 Marek Behún      2020-09-18  207  	count = of_get_available_child_count(np);
2d00f35c55e74f Simon Shields    2018-09-09  208  	if (!count || count > AN30259A_MAX_LEDS)
2d00f35c55e74f Simon Shields    2018-09-09  209  		return -EINVAL;
2d00f35c55e74f Simon Shields    2018-09-09  210  
2d00f35c55e74f Simon Shields    2018-09-09  211  	for_each_available_child_of_node(np, child) {
2d00f35c55e74f Simon Shields    2018-09-09  212  		u32 source;
2d00f35c55e74f Simon Shields    2018-09-09  213  
2d00f35c55e74f Simon Shields    2018-09-09  214  		ret = of_property_read_u32(child, "reg", &source);
2d00f35c55e74f Simon Shields    2018-09-09  215  		if (ret != 0 || !source || source > AN30259A_MAX_LEDS) {
2d00f35c55e74f Simon Shields    2018-09-09  216  			dev_err(&client->dev, "Couldn't read LED address: %d\n",
2d00f35c55e74f Simon Shields    2018-09-09  217  				ret);
2d00f35c55e74f Simon Shields    2018-09-09  218  			count--;
2d00f35c55e74f Simon Shields    2018-09-09  219  			continue;
2d00f35c55e74f Simon Shields    2018-09-09  220  		}
2d00f35c55e74f Simon Shields    2018-09-09  221  
2d00f35c55e74f Simon Shields    2018-09-09  222  		led = &chip->leds[i];
2d00f35c55e74f Simon Shields    2018-09-09  223  
2d00f35c55e74f Simon Shields    2018-09-09  224  		led->num = source;
2d00f35c55e74f Simon Shields    2018-09-09  225  		led->chip = chip;
1817208e14c6f7 Jacek Anaszewski 2019-06-09  226  		led->fwnode = of_fwnode_handle(child);
757448b8fc5bcb Andy Shevchenko  2022-08-03  227  		led->default_state = led_init_default_state_get(led->fwnode);
2d00f35c55e74f Simon Shields    2018-09-09  228  
2d00f35c55e74f Simon Shields    2018-09-09  229  		i++;
2d00f35c55e74f Simon Shields    2018-09-09  230  	}
2d00f35c55e74f Simon Shields    2018-09-09  231  
2d00f35c55e74f Simon Shields    2018-09-09  232  	if (!count)
2d00f35c55e74f Simon Shields    2018-09-09  233  		return -EINVAL;
2d00f35c55e74f Simon Shields    2018-09-09  234  
2d00f35c55e74f Simon Shields    2018-09-09  235  	chip->num_leds = i;
2d00f35c55e74f Simon Shields    2018-09-09  236  
2d00f35c55e74f Simon Shields    2018-09-09  237  	return 0;
2d00f35c55e74f Simon Shields    2018-09-09  238  }
2d00f35c55e74f Simon Shields    2018-09-09  239  

-- 
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https://01.org/lkp



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