Messages in this thread Patch in this message | | | Subject | [PATCH 1/2] device: Add dev_of_node() accessor | From | Benjamin Herrenschmidt <> | Date | Mon, 16 Feb 2015 14:59:08 +1100 |
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Suggested by Arnd Bergmann, this gives a practical accessor for the of_node field of struct device while instructing the compiler that it will be NULL if CONFIG_OF is not set.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> ---
This is what we discussed back in November and I had forgotten to finish :)
include/linux/device.h | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/include/linux/device.h b/include/linux/device.h index fb50673..08128288 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -916,6 +916,13 @@ static inline void device_lock_assert(struct device *dev) lockdep_assert_held(&dev->mutex); } +static inline struct device_node *dev_of_node(struct device *dev) +{ + if (!IS_ENABLED(CONFIG_OF)) + return NULL; + return dev->of_node; +} + void driver_init(void); /*
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