Re: [PATCH 6/7] pinctrl: pinmux: Introduce API to check if a pin is requested

[kernel test robot <lkp@xxxxxxxxx>]

Hi Prabhakar,

kernel test robot noticed the following build warnings:

[auto build test WARNING on geert-renesas-drivers/renesas-pinctrl]
[also build test WARNING on linusw-pinctrl/devel linusw-pinctrl/for-next geert-renesas-devel/next linus/master v6.12-rc3 next-20241018]
[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/Prabhakar/arm64-dts-renesas-rzg3s-smarc-Drop-hogging-of-GPIO-pins/20241017-194200
base:   https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers.git renesas-pinctrl
patch link:    https://lore.kernel.org/r/20241017113942.139712-7-prabhakar.mahadev-lad.rj%40bp.renesas.com
patch subject: [PATCH 6/7] pinctrl: pinmux: Introduce API to check if a pin is requested
config: arm-pxa3xx_defconfig (https://download.01.org/0day-ci/archive/20241019/202410190448.yDDAKyxt-lkp@xxxxxxxxx/config)
compiler: arm-linux-gnueabi-gcc (GCC) 13.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241019/202410190448.yDDAKyxt-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/202410190448.yDDAKyxt-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

   In file included from drivers/pinctrl/core.c:38:
>> drivers/pinctrl/pinmux.h:104:6: warning: no previous prototype for 'pin_requested' [-Wmissing-prototypes]
     104 | bool pin_requested(struct pinctrl_dev *pctldev, int pin)
         |      ^~~~~~~~~~~~~


vim +/pin_requested +104 drivers/pinctrl/pinmux.h

   103	
 > 104	bool pin_requested(struct pinctrl_dev *pctldev, int pin)
   105	{
   106		return false;
   107	}
   108	#endif
   109	

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