pinctrl: renesas: rzg2l: Replace of_node_to_fwnode() with more suitable API

of_node_to_fwnode() is a IRQ domain specific implementation of
of_fwnode_handle(). Replace the former with more suitable API.

Signed-off-by: Andy Shevchenko <[email protected]>
Tested-by: Lad Prabhakar <[email protected]>
Reviewed-by: Geert Uytterhoeven <[email protected]>
Link: https://lore.kernel.org/[email protected]
Signed-off-by: Geert Uytterhoeven <[email protected]>

Author: andy-shev

drivers/pinctrl/renesas/pinctrl-rzg2l.c

@@ -16,6 +16,7 @@
 #include <linux/of.h>
 #include <linux/of_irq.h>
 #include <linux/platform_device.h>
+#include <linux/property.h>
 #include <linux/seq_file.h>
 #include <linux/spinlock.h>
 
@@ -2623,7 +2624,7 @@ static int rzg2l_gpio_register(struct rzg2l_pinctrl *pctrl)
 
 	girq = &chip->irq;
 	gpio_irq_chip_set_chip(girq, &rzg2l_gpio_irqchip);
-	girq->fwnode = of_node_to_fwnode(np);
+	girq->fwnode = dev_fwnode(pctrl->dev);
 	girq->parent_domain = parent_domain;
 	girq->child_to_parent_hwirq = rzg2l_gpio_child_to_parent_hwirq;
 	girq->populate_parent_alloc_arg = rzg2l_gpio_populate_parent_fwspec;