Re: [PATCH v1 05/11] pinctrl: pinmux: Add a convenient define PINCTRL_FUNCTION_DESC()

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Hi Andy,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linusw-pinctrl/devel]
[also build test WARNING on linusw-pinctrl/for-next linus/master v6.10-rc1 next-20240523]
[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/pinctrl-berlin-Make-use-of-struct-pinfunction/20240528-053304
base:   https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git devel
patch link:    https://lore.kernel.org/r/20240527212742.1432960-6-andy.shevchenko%40gmail.com
patch subject: [PATCH v1 05/11] pinctrl: pinmux: Add a convenient define PINCTRL_FUNCTION_DESC()
config: sh-defconfig (https://download.01.org/0day-ci/archive/20240528/202405280739.VSX5oEnr-lkp@xxxxxxxxx/config)
compiler: sh4-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240528/202405280739.VSX5oEnr-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202405280739.VSX5oEnr-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> drivers/pinctrl/pinmux.c:863: warning: Function parameter or struct member 'ngroups' not described in 'pinmux_generic_add_function'
>> drivers/pinctrl/pinmux.c:863: warning: Excess function parameter 'num_groups' description in 'pinmux_generic_add_function'


vim +863 drivers/pinctrl/pinmux.c

a76edc89b100e4 Tony Lindgren      2016-12-27  849  
a76edc89b100e4 Tony Lindgren      2016-12-27  850  /**
6bffa7e1631d55 Geert Uytterhoeven 2017-04-03  851   * pinmux_generic_add_function() - adds a function group
a76edc89b100e4 Tony Lindgren      2016-12-27  852   * @pctldev: pin controller device
a76edc89b100e4 Tony Lindgren      2016-12-27  853   * @name: name of the function
a76edc89b100e4 Tony Lindgren      2016-12-27  854   * @groups: array of pin groups
a76edc89b100e4 Tony Lindgren      2016-12-27  855   * @num_groups: number of pin groups
a76edc89b100e4 Tony Lindgren      2016-12-27  856   * @data: pin controller driver specific data
a76edc89b100e4 Tony Lindgren      2016-12-27  857   */
a76edc89b100e4 Tony Lindgren      2016-12-27  858  int pinmux_generic_add_function(struct pinctrl_dev *pctldev,
a76edc89b100e4 Tony Lindgren      2016-12-27  859  				const char *name,
bd0aae66c48208 Rafał Miłecki      2021-12-16  860  				const char * const *groups,
368512f04e89e0 Andy Shevchenko    2024-05-28  861  				const unsigned int ngroups,
a76edc89b100e4 Tony Lindgren      2016-12-27  862  				void *data)
a76edc89b100e4 Tony Lindgren      2016-12-27 @863  {
a76edc89b100e4 Tony Lindgren      2016-12-27  864  	struct function_desc *function;
6ec89cd4d17bd5 Sergey Shtylyov    2023-07-19  865  	int selector, error;
f913cfce4ee49a Tony Lindgren      2018-07-05  866  
f913cfce4ee49a Tony Lindgren      2018-07-05  867  	if (!name)
f913cfce4ee49a Tony Lindgren      2018-07-05  868  		return -EINVAL;
f913cfce4ee49a Tony Lindgren      2018-07-05  869  
f913cfce4ee49a Tony Lindgren      2018-07-05  870  	selector = pinmux_func_name_to_selector(pctldev, name);
f913cfce4ee49a Tony Lindgren      2018-07-05  871  	if (selector >= 0)
f913cfce4ee49a Tony Lindgren      2018-07-05  872  		return selector;
f913cfce4ee49a Tony Lindgren      2018-07-05  873  
f913cfce4ee49a Tony Lindgren      2018-07-05  874  	selector = pctldev->num_functions;
a76edc89b100e4 Tony Lindgren      2016-12-27  875  
a76edc89b100e4 Tony Lindgren      2016-12-27  876  	function = devm_kzalloc(pctldev->dev, sizeof(*function), GFP_KERNEL);
a76edc89b100e4 Tony Lindgren      2016-12-27  877  	if (!function)
a76edc89b100e4 Tony Lindgren      2016-12-27  878  		return -ENOMEM;
a76edc89b100e4 Tony Lindgren      2016-12-27  879  
368512f04e89e0 Andy Shevchenko    2024-05-28  880  	function = PINCTRL_FUNCTION_DESC(name, groups, ngroups, data);
a76edc89b100e4 Tony Lindgren      2016-12-27  881  
6ec89cd4d17bd5 Sergey Shtylyov    2023-07-19  882  	error = radix_tree_insert(&pctldev->pin_function_tree, selector, function);
6ec89cd4d17bd5 Sergey Shtylyov    2023-07-19  883  	if (error)
6ec89cd4d17bd5 Sergey Shtylyov    2023-07-19  884  		return error;
a76edc89b100e4 Tony Lindgren      2016-12-27  885  
a76edc89b100e4 Tony Lindgren      2016-12-27  886  	pctldev->num_functions++;
a76edc89b100e4 Tony Lindgren      2016-12-27  887  
f913cfce4ee49a Tony Lindgren      2018-07-05  888  	return selector;
a76edc89b100e4 Tony Lindgren      2016-12-27  889  }
a76edc89b100e4 Tony Lindgren      2016-12-27  890  EXPORT_SYMBOL_GPL(pinmux_generic_add_function);
a76edc89b100e4 Tony Lindgren      2016-12-27  891  

-- 
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https://github.com/intel/lkp-tests/wiki




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