[v3,01/15] device property: Move fwnode_handle_put() into property.h

Commit Message

Jonathan Cameron Feb. 16, 2024, 5:52 p.m. UTC

From: Jonathan Cameron <[e-mail]>

By having this function as static inline in the header, the compiler
is able to see if can optimize 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 <[e-mail]>
Signed-off-by: Jonathan Cameron <[e-mail]>
---
 drivers/base/property.c  | 14 --------------
 include/linux/property.h | 14 +++++++++++++-
 2 files changed, 13 insertions(+), 15 deletions(-)

Patch

diff --git a/drivers/base/property.c b/drivers/base/property.c
index a1b01ab42052..53e42031c646 100644
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -923,20 +923,6 @@  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 e6516d0b7d52..151bcab4f92a 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -187,7 +187,19 @@  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);