device property: Move fwnode_handle_put() into property.h

By having this function as static inline in the header, the compiler
is able to see if can optmize the call out if (IS_ERR_OR_NULL(fwnode))
This will allow a simpler DEFINE_FREE() call in the following patch.

Suggested-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240217164249.921878-2-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/base/property.c b/drivers/base/property.c
index 7324a704a9a118322df02b061380fdb0fa3cdc21..6a3a434d0d6f426e62bbb94f97f9f36d5be181e1 100644 (file)
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -868,20 +868,6 @@ struct fwnode_handle *fwnode_handle_get(struct fwnode_handle *fwnode)
 }
 EXPORT_SYMBOL_GPL(fwnode_handle_get);
 
-/**
- * fwnode_handle_put - Drop reference to a device node
- * @fwnode: Pointer to the device node to drop the reference to.
- *
- * This has to be used when terminating device_for_each_child_node() iteration
- * with break or return to prevent stale device node references from being left
- * behind.
- */
-void fwnode_handle_put(struct fwnode_handle *fwnode)
-{
-       fwnode_call_void_op(fwnode, put);
-}
-EXPORT_SYMBOL_GPL(fwnode_handle_put);
-
 /**
  * fwnode_device_is_available - check if a device is available for use
  * @fwnode: Pointer to the fwnode of the device.

diff --git a/include/linux/property.h b/include/linux/property.h
index 3a1045eb786c4cf30d8d0bda8845a2ef2993a14b..93d992a92f59e680701e72554e8a7ffc70afd7b0 100644 (file)
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -180,7 +180,19 @@ struct fwnode_handle *device_get_named_child_node(const struct device *dev,
                                                  const char *childname);
 
 struct fwnode_handle *fwnode_handle_get(struct fwnode_handle *fwnode);
-void fwnode_handle_put(struct fwnode_handle *fwnode);
+
+/**
+ * fwnode_handle_put - Drop reference to a device node
+ * @fwnode: Pointer to the device node to drop the reference to.
+ *
+ * This has to be used when terminating device_for_each_child_node() iteration
+ * with break or return to prevent stale device node references from being left
+ * behind.
+ */
+static inline void fwnode_handle_put(struct fwnode_handle *fwnode)
+{
+       fwnode_call_void_op(fwnode, put);
+}
 
 int fwnode_irq_get(const struct fwnode_handle *fwnode, unsigned int index);
 int fwnode_irq_get_byname(const struct fwnode_handle *fwnode, const char *name);