[PATCH v1 1/4] gpio: Split fwnode_is_gpiochip() helper

[Andy Shevchenko <andriy.shevchenko@linux.intel.com>]

Many drivers repeat the same over and over. For clarity and robustness
split fwnode_is_gpiochip() helper.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 include/linux/gpio/driver.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index 2ea21341adea..06d40fb77a73 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -879,9 +879,14 @@ static inline void gpiochip_unlock_as_irq(struct gpio_chip *gc,
 }
 #endif /* CONFIG_GPIOLIB */
 
+static inline bool fwnode_is_gpiochip(struct fwnode_handle *fwnode)
+{
+	return fwnode_property_present(child, "gpio-controller");
+}
+
 #define for_each_gpiochip_node(dev, child)					\
 	device_for_each_child_node(dev, child)					\
-		for_each_if(fwnode_property_present(child, "gpio-controller"))
+		for_each_if(fwnode_is_gpiochip(child))
 
 static inline unsigned int gpiochip_node_count(struct device *dev)
 {
-- 
2.50.1