pinctrl: core: Add a convenient define PINCTRL_GROUP_DESC()

Add PINCTRL_GROUP_DESC() macro for inline use.
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20231211190321.307330-2-andriy.shevchenko@linux.intel.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/core.c

@@ -658,10 +658,7 @@ int pinctrl_generic_add_group(struct pinctrl_dev *pctldev, const char *name,
 	if (!group)
 		return -ENOMEM;
 
-	group->name = name;
-	group->pins = pins;
-	group->num_pins = num_pins;
-	group->data = data;
+	*group = PINCTRL_GROUP_DESC(name, pins, num_pins, data);
 
 	error = radix_tree_insert(&pctldev->pin_group_tree, selector, group);
 	if (error)

drivers/pinctrl/core.h

@@ -208,6 +208,15 @@ struct group_desc {
 	void *data;
 };
 
+/* Convenience macro to define a generic pin group descriptor */
+#define PINCTRL_GROUP_DESC(_name, _pins, _num_pins, _data)	\
+(struct group_desc) {						\
+	.name = _name,						\
+	.pins = _pins,						\
+	.num_pins = _num_pins,					\
+	.data = _data,						\
+}
+
 int pinctrl_generic_get_group_count(struct pinctrl_dev *pctldev);
 
 const char *pinctrl_generic_get_group_name(struct pinctrl_dev *pctldev,