[PATCH v8 09/18] gpiolib: regmap: add gpio_regmap_get_chip()

[Long Zhao via B4 Relay]

From: Long Zhao <longzhao at ambarella.com>

Let drivers that implement a custom irqchip retrieve the gpio_chip
after registration.

Signed-off-by: Long Zhao <longzhao at ambarella.com>
---
 drivers/gpio/gpio-regmap.c  | 6 ++++++
 include/linux/gpio/regmap.h | 1 +
 2 files changed, 7 insertions(+)

diff --git a/drivers/gpio/gpio-regmap.c b/drivers/gpio/gpio-regmap.c
index fbd4c753525a..21e0993b89e2 100644
--- a/drivers/gpio/gpio-regmap.c
+++ b/drivers/gpio/gpio-regmap.c
@@ -295,6 +295,12 @@ void *gpio_regmap_get_drvdata(struct gpio_regmap *gpio)
 }
 EXPORT_SYMBOL_GPL(gpio_regmap_get_drvdata);
 
+struct gpio_chip *gpio_regmap_get_chip(struct gpio_regmap *gpio)
+{
+	return &gpio->gpio_chip;
+}
+EXPORT_SYMBOL_GPL(gpio_regmap_get_chip);
+
 /**
  * gpio_regmap_register() - Register a generic regmap GPIO controller
  * @config: configuration for gpio_regmap
diff --git a/include/linux/gpio/regmap.h b/include/linux/gpio/regmap.h
index d7ffc12b00a2..6bc00b9775a5 100644
--- a/include/linux/gpio/regmap.h
+++ b/include/linux/gpio/regmap.h
@@ -128,5 +128,6 @@ void gpio_regmap_unregister(struct gpio_regmap *gpio);
 struct gpio_regmap *devm_gpio_regmap_register(struct device *dev,
 					      const struct gpio_regmap_config *config);
 void *gpio_regmap_get_drvdata(struct gpio_regmap *gpio);
+struct gpio_chip *gpio_regmap_get_chip(struct gpio_regmap *gpio);
 
 #endif /* _LINUX_GPIO_REGMAP_H */

-- 
2.34.1