[PATCH v2 07/11] pinctrl: imx: Convert to use func member

[kernel test robot]

Hi Andy,

kernel test robot noticed the following build errors:

[auto build test ERROR on linusw-pinctrl/devel]
[also build test ERROR on linusw-pinctrl/for-next linus/master v6.10-rc1 next-20240529]
[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/20240529-035554
base:   https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git devel
patch link:    https://lore.kernel.org/r/20240528194951.1489887-8-andy.shevchenko%40gmail.com
patch subject: [PATCH v2 07/11] pinctrl: imx: Convert to use func member
config: microblaze-allyesconfig (https://download.01.org/0day-ci/archive/20240530/202405301147.XaijPkPT-lkp@intel.com/config)
compiler: microblaze-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240530/202405301147.XaijPkPT-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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202405301147.XaijPkPT-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/pinctrl/freescale/pinctrl-imx.c: In function 'imx_pinctrl_parse_functions':
>> drivers/pinctrl/freescale/pinctrl-imx.c:603:52: error: 'struct function_desc' has no member named 'ngroups'
     603 |         group_names = devm_kcalloc(ipctl->dev, func->ngroups, sizeof(*func->func.groups),
         |                                                    ^~


vim +603 drivers/pinctrl/freescale/pinctrl-imx.c

   577	
   578	static int imx_pinctrl_parse_functions(struct device_node *np,
   579					       struct imx_pinctrl *ipctl,
   580					       u32 index)
   581	{
   582		struct pinctrl_dev *pctl = ipctl->pctl;
   583		struct device_node *child;
   584		struct function_desc *func;
   585		struct group_desc *grp;
   586		const char **group_names;
   587		u32 i;
   588	
   589		dev_dbg(pctl->dev, "parse function(%d): %pOFn\n", index, np);
   590	
   591		func = pinmux_generic_get_function(pctl, index);
   592		if (!func)
   593			return -EINVAL;
   594	
   595		/* Initialise function */
   596		func->func.name = np->name;
   597		func->func.ngroups = of_get_child_count(np);
   598		if (func->func.ngroups == 0) {
   599			dev_info(ipctl->dev, "no groups defined in %pOF\n", np);
   600			return -EINVAL;
   601		}
   602	
 > 603		group_names = devm_kcalloc(ipctl->dev, func->ngroups, sizeof(*func->func.groups),
   604					   GFP_KERNEL);
   605		if (!group_names)
   606			return -ENOMEM;
   607		i = 0;
   608		for_each_child_of_node(np, child)
   609			group_names[i++] = child->name;
   610		func->func.groups = group_names;
   611	
   612		i = 0;
   613		for_each_child_of_node(np, child) {
   614			grp = devm_kzalloc(ipctl->dev, sizeof(*grp), GFP_KERNEL);
   615			if (!grp) {
   616				of_node_put(child);
   617				return -ENOMEM;
   618			}
   619	
   620			mutex_lock(&ipctl->mutex);
   621			radix_tree_insert(&pctl->pin_group_tree,
   622					  ipctl->group_index++, grp);
   623			mutex_unlock(&ipctl->mutex);
   624	
   625			imx_pinctrl_parse_groups(child, grp, ipctl, i++);
   626		}
   627	
   628		return 0;
   629	}
   630	

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