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@xxxxxxxxxxxxxxx>
Reviewed-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
---
drivers/base/property.c | 3 ++-
include/linux/property.h | 2 ++
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/base/property.c b/drivers/base/property.c
index 23514bf6..22849a8 100644
--- 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 0ae7d20..6e20a12 100644
--- 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);
--
2.7.4
--
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