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-rw-r--r--drivers/base/property.c11
-rw-r--r--include/linux/property.h7
2 files changed, 15 insertions, 3 deletions
diff --git a/drivers/base/property.c b/drivers/base/property.c
index b0c40d973484..eb9b01c2ff1d 100644
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -17,12 +17,19 @@
#include <linux/property.h>
#include <linux/phy.h>
-struct fwnode_handle *dev_fwnode(const struct device *dev)
+struct fwnode_handle *__dev_fwnode(struct device *dev)
{
return IS_ENABLED(CONFIG_OF) && dev->of_node ?
of_fwnode_handle(dev->of_node) : dev->fwnode;
}
-EXPORT_SYMBOL_GPL(dev_fwnode);
+EXPORT_SYMBOL_GPL(__dev_fwnode);
+
+const struct fwnode_handle *__dev_fwnode_const(const struct device *dev)
+{
+ return IS_ENABLED(CONFIG_OF) && dev->of_node ?
+ of_fwnode_handle(dev->of_node) : dev->fwnode;
+}
+EXPORT_SYMBOL_GPL(__dev_fwnode_const);
/**
* 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 117cc200c656..587b5b666b5b 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -32,7 +32,12 @@ enum dev_dma_attr {
DEV_DMA_COHERENT,
};
-struct fwnode_handle *dev_fwnode(const struct device *dev);
+const struct fwnode_handle *__dev_fwnode_const(const struct device *dev);
+struct fwnode_handle *__dev_fwnode(struct device *dev);
+#define dev_fwnode(dev) \
+ _Generic((dev), \
+ const struct device *: __dev_fwnode_const, \
+ struct device *: __dev_fwnode)(dev)
bool device_property_present(struct device *dev, const char *propname);
int device_property_read_u8_array(struct device *dev, const char *propname,