Re: [PATCH v2 3/8] clk: imx: add driver for imx8ulp's sim lpav

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

Hi Laurentiu,

kernel test robot noticed the following build errors:

[auto build test ERROR on pza/reset/next]
[also build test ERROR on abelvesa/clk/imx abelvesa/for-next linus/master v6.18-rc1 next-20251017]
[cannot apply to pza/imx-drm/next]
[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/Laurentiu-Mihalcea/reset-imx8mp-audiomix-Fix-bad-mask-values/20251017-192620
base:   https://git.pengutronix.de/git/pza/linux reset/next
patch link:    https://lore.kernel.org/r/20251017112025.11997-4-laurentiumihalcea111%40gmail.com
patch subject: [PATCH v2 3/8] clk: imx: add driver for imx8ulp's sim lpav
config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20251018/202510182350.57sb54Rm-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251018/202510182350.57sb54Rm-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202510182350.57sb54Rm-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/clk/imx/clk-imx8ulp-sim-lpav.c: In function 'clk_imx8ulp_sim_lpav_aux_reset_release':
>> drivers/clk/imx/clk-imx8ulp-sim-lpav.c:52:9: error: implicit declaration of function 'kfree' [-Wimplicit-function-declaration]
      52 |         kfree(adev);
         |         ^~~~~
   drivers/clk/imx/clk-imx8ulp-sim-lpav.c: In function 'clk_imx8ulp_sim_lpav_register_aux_reset':
>> drivers/clk/imx/clk-imx8ulp-sim-lpav.c:65:16: error: cleanup argument not a function
      65 |         struct auxiliary_device *adev __free(kfree) = NULL;
         |                ^~~~~~~~~~~~~~~~
>> drivers/clk/imx/clk-imx8ulp-sim-lpav.c:68:16: error: implicit declaration of function 'kzalloc' [-Wimplicit-function-declaration]
      68 |         adev = kzalloc(sizeof(*adev), GFP_KERNEL);
         |                ^~~~~~~
>> drivers/clk/imx/clk-imx8ulp-sim-lpav.c:68:14: error: assignment to 'struct auxiliary_device *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
      68 |         adev = kzalloc(sizeof(*adev), GFP_KERNEL);
         |              ^


vim +/kfree +52 drivers/clk/imx/clk-imx8ulp-sim-lpav.c

    46	
    47	#ifdef CONFIG_RESET_CONTROLLER
    48	static void clk_imx8ulp_sim_lpav_aux_reset_release(struct device *dev)
    49	{
    50		struct auxiliary_device *adev = to_auxiliary_dev(dev);
    51	
  > 52		kfree(adev);
    53	}
    54	
    55	static void clk_imx8ulp_sim_lpav_unregister_aux_reset(void *data)
    56	{
    57		struct auxiliary_device *adev = data;
    58	
    59		auxiliary_device_delete(adev);
    60		auxiliary_device_uninit(adev);
    61	}
    62	
    63	static int clk_imx8ulp_sim_lpav_register_aux_reset(struct platform_device *pdev)
    64	{
  > 65		struct auxiliary_device *adev __free(kfree) = NULL;
    66		int ret;
    67	
  > 68		adev = kzalloc(sizeof(*adev), GFP_KERNEL);
    69		if (!adev)
    70			return -ENOMEM;
    71	
    72		adev->name = "reset";
    73		adev->dev.parent = &pdev->dev;
    74		adev->dev.release = clk_imx8ulp_sim_lpav_aux_reset_release;
    75	
    76		ret = auxiliary_device_init(adev);
    77		if (ret) {
    78			dev_err(&pdev->dev, "failed to initialize aux dev\n");
    79			return ret;
    80		}
    81	
    82		ret = auxiliary_device_add(adev);
    83		if (ret) {
    84			auxiliary_device_uninit(adev);
    85			dev_err(&pdev->dev, "failed to add aux dev\n");
    86			return ret;
    87		}
    88	
    89		return devm_add_action_or_reset(&pdev->dev,
    90						clk_imx8ulp_sim_lpav_unregister_aux_reset,
    91						no_free_ptr(adev));
    92	}
    93	#else
    94	static int clk_imx8ulp_sim_lpav_register_aux_reset(struct platform_device *pdev)
    95	{
    96		return 0;
    97	}
    98	#endif /* CONFIG_RESET_CONTROLLER */
    99	

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