mfd: da9063: Replace regmap_add_irq_chip with devm counterpart

Use devm_regmap_add_irq_chip() instead of plain regmap_add_irq_chip(),
which removes the need for da9063_irq_exit() altogether and also
fixes a bug in da9063_device_init() where the da9063_irq_exit() was
not called in a failpath.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

drivers/mfd/da9063-core.c

@@ -238,7 +238,6 @@ int da9063_device_init(struct da9063 *da9063, unsigned int irq)
 void da9063_device_exit(struct da9063 *da9063)
 {
 	mfd_remove_devices(da9063->dev);
-	da9063_irq_exit(da9063);
 }
 
 MODULE_DESCRIPTION("PMIC driver for Dialog DA9063");

drivers/mfd/da9063-irq.c

@@ -170,7 +170,8 @@ int da9063_irq_init(struct da9063 *da9063)
 		return -EINVAL;
 	}
 
-	ret = regmap_add_irq_chip(da9063->regmap, da9063->chip_irq,
+	ret = devm_regmap_add_irq_chip(da9063->dev, da9063->regmap,
+			da9063->chip_irq,
 			IRQF_TRIGGER_LOW | IRQF_ONESHOT | IRQF_SHARED,
 			da9063->irq_base, &da9063_irq_chip,
 			&da9063->regmap_irq);
@@ -182,8 +183,3 @@ int da9063_irq_init(struct da9063 *da9063)
 
 	return 0;
 }
-
-void da9063_irq_exit(struct da9063 *da9063)
-{
-	regmap_del_irq_chip(da9063->chip_irq, da9063->regmap_irq);
-}

include/linux/mfd/da9063/core.h

@@ -95,6 +95,5 @@ int da9063_device_init(struct da9063 *da9063, unsigned int irq);
 int da9063_irq_init(struct da9063 *da9063);
 
 void da9063_device_exit(struct da9063 *da9063);
-void da9063_irq_exit(struct da9063 *da9063);
 
 #endif /* __MFD_DA9063_CORE_H__ */