device property: Make dev_fwnode() public

The function to obtain a fwnode related to a struct device is useful for
drivers that use the fwnode property API: it allows not being aware of the
underlying firmware implementation.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/base/property.c b/drivers/base/property.c
index 23514bf679338fda9f236445ad9004e6e39fb607..22849a89a8b57afcbc4cb0ede9342cb13194e902 100644 (file)
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -183,11 +183,12 @@ static int pset_prop_read_string(struct property_set *pset,
        return 0;
 }
 
-static inline struct fwnode_handle *dev_fwnode(struct device *dev)
+struct fwnode_handle *dev_fwnode(struct device *dev)
 {
        return IS_ENABLED(CONFIG_OF) && dev->of_node ?
                &dev->of_node->fwnode : dev->fwnode;
 }
+EXPORT_SYMBOL_GPL(dev_fwnode);
 
 /**
  * device_property_present - check if a property of a device is present

diff --git a/include/linux/property.h b/include/linux/property.h
index 0ae7d209f6c2b9d88d8d91d14cfd05118029c8e4..6e20a12a2eecbdb05869dd873de3f59014756bb5 100644 (file)
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -33,6 +33,8 @@ enum dev_dma_attr {
        DEV_DMA_COHERENT,
 };
 
+struct fwnode_handle *dev_fwnode(struct device *dev);
+
 bool device_property_present(struct device *dev, const char *propname);
 int device_property_read_u8_array(struct device *dev, const char *propname,
                                  u8 *val, size_t nval);