pinctrl: imx: Convert to use func member

Convert drivers to use func member embedded in struct function_desc,
because other members will be removed to avoid duplication and
desynchronisation of the generic pin function description.
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20240530085745.1539925-8-andy.shevchenko@gmail.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/freescale/pinctrl-imx.c

@@ -266,7 +266,7 @@ static int imx_pmx_set(struct pinctrl_dev *pctldev, unsigned selector,
 	npins = grp->grp.npins;
 
 	dev_dbg(ipctl->dev, "enable function %s group %s\n",
-		func->name, grp->grp.name);
+		func->func.name, grp->grp.name);
 
 	for (i = 0; i < npins; i++) {
 		/*
@@ -593,21 +593,21 @@ static int imx_pinctrl_parse_functions(struct device_node *np,
 		return -EINVAL;
 
 	/* Initialise function */
-	func->name = np->name;
-	func->num_group_names = of_get_child_count(np);
-	if (func->num_group_names == 0) {
+	func->func.name = np->name;
+	func->func.ngroups = of_get_child_count(np);
+	if (func->func.ngroups == 0) {
 		dev_info(ipctl->dev, "no groups defined in %pOF\n", np);
 		return -EINVAL;
 	}
 
-	group_names = devm_kcalloc(ipctl->dev, func->num_group_names,
-				   sizeof(char *), GFP_KERNEL);
+	group_names = devm_kcalloc(ipctl->dev, func->func.ngroups,
+				   sizeof(*func->func.groups), GFP_KERNEL);
 	if (!group_names)
 		return -ENOMEM;
 	i = 0;
 	for_each_child_of_node(np, child)
 		group_names[i++] = child->name;
-	func->group_names = group_names;
+	func->func.groups = group_names;
 
 	i = 0;
 	for_each_child_of_node(np, child) {