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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2022-04-14 21:42:48 +0300 |
|---|---|---|
| committer | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2022-04-14 21:47:29 +0300 |
| commit | af47d8033fc731f19600efd27ba4a7d0fdfcc77c (patch) | |
| tree | ea9d96b853bfb9d8dd01738d2c7e53d121403cfc | |
| parent | 492fca28fae8e4aa93c1b054423c152d540a36e8 (diff) | |
| download | linux-stable-af47d8033fc731f19600efd27ba4a7d0fdfcc77c.tar.gz linux-stable-af47d8033fc731f19600efd27ba4a7d0fdfcc77c.tar.bz2 linux-stable-af47d8033fc731f19600efd27ba4a7d0fdfcc77c.zip | |
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: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
| -rw-r--r-- | include/linux/gpio/driver.h | 10 |
1 files changed, 10 insertions, 0 deletions
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 */ |