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 <[email protected]> --- 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); /* -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
