Revert "pinctrl: qcom: spmi-gpio: make the irqchip immutable"

This reverts commit 7542766e.

It was noted during follow-up that the approach is incorrect.
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/qcom/pinctrl-spmi-gpio.c

@@ -171,6 +171,7 @@ struct pmic_gpio_state {
 	struct regmap	*map;
 	struct pinctrl_dev *ctrl;
 	struct gpio_chip chip;
+	struct irq_chip irq;
 	u8 usid;
 	u8 pid_base;
 };
@@ -987,17 +988,6 @@ static void *pmic_gpio_populate_parent_fwspec(struct gpio_chip *chip,
 	return fwspec;
 }
 
-static const struct irq_chip spmi_gpio_irq_chip = {
-	.name		= "spmi-gpio",
-	.irq_ack	= irq_chip_ack_parent,
-	.irq_mask	= irq_chip_mask_parent,
-	.irq_unmask	= irq_chip_unmask_parent,
-	.irq_set_type	= irq_chip_set_type_parent,
-	.irq_set_wake	= irq_chip_set_wake_parent,
-	.flags		= IRQCHIP_IMMUTABLE | IRQCHIP_MASK_ON_SUSPEND,
-	GPIOCHIP_IRQ_RESOURCE_HELPERS,
-};
-
 static int pmic_gpio_probe(struct platform_device *pdev)
 {
 	struct irq_domain *parent_domain;
@@ -1091,8 +1081,16 @@ static int pmic_gpio_probe(struct platform_device *pdev)
 	if (!parent_domain)
 		return -ENXIO;
 
+	state->irq.name = "spmi-gpio",
+	state->irq.irq_ack = irq_chip_ack_parent,
+	state->irq.irq_mask = irq_chip_mask_parent,
+	state->irq.irq_unmask = irq_chip_unmask_parent,
+	state->irq.irq_set_type = irq_chip_set_type_parent,
+	state->irq.irq_set_wake = irq_chip_set_wake_parent,
+	state->irq.flags = IRQCHIP_MASK_ON_SUSPEND,
+
 	girq = &state->chip.irq;
-	gpio_irq_chip_set_chip(girq, &spmi_gpio_irq_chip);
+	girq->chip = &state->irq;
 	girq->default_type = IRQ_TYPE_NONE;
 	girq->handler = handle_level_irq;
 	girq->fwnode = of_node_to_fwnode(state->dev->of_node);