Messages in this thread Patch in this message | | | From | Andy Shevchenko <> | Subject | [PATCH v5 1/6] gpiolib: Introduce a helper to get first GPIO controller node | Date | Thu, 14 Apr 2022 22:02:37 +0300 |
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Introduce a helper to get first GPIO controller node which drivers may want to use.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- include/linux/gpio/driver.h | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index 12de0b22b4ef..83e2d72e51bb 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -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 */ -- 2.35.1
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