Commit af47d803 authored by Andy Shevchenko's avatar Andy Shevchenko
Browse files

gpiolib: Introduce a helper to get first GPIO controller node 



Introduce a helper to get first GPIO controller node which drivers
may want to use.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: default avatarMarek Szyprowski <m.szyprowski@samsung.com>
parent 492fca28

include/linux/gpio/driver.h

+10 −0
Original line number Diff line number Diff line
@@ -766,4 +766,14 @@ static inline unsigned int gpiochip_node_count(struct device *dev) 
	return count;

}



static inline struct fwnode_handle *gpiochip_node_get_first(struct device *dev)

{

	struct fwnode_handle *fwnode;



	for_each_gpiochip_node(dev, fwnode)

		return fwnode;



	return NULL;

}



#endif /* __LINUX_GPIO_DRIVER_H */