[PATCH 6.1 579/772] device property: Constify device child node APIs

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6.1-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>

[ Upstream commit 7952cd2b8213f20a1752634c25dfd215da537722 ]

The device parameter is not altered in the device child node APIs,
constify them.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Acked-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
Reviewed-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20221004092129.19412-5-andriy.shevchenko@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Stable-dep-of: 73b03b27736e ("leds: flash: mt6360: Fix device_for_each_child_node() refcounting in error paths")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/base/property.c  |  6 +++---
 include/linux/property.h | 12 ++++++------
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/base/property.c b/drivers/base/property.c
index eb9b01c2ff1d9..ba612087a278f 100644
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -790,7 +790,7 @@ EXPORT_SYMBOL_GPL(fwnode_get_next_available_child_node);
  * fwnode pointer. Note that this function also puts a reference to @child
  * unconditionally.
  */
-struct fwnode_handle *device_get_next_child_node(struct device *dev,
+struct fwnode_handle *device_get_next_child_node(const struct device *dev,
 						 struct fwnode_handle *child)
 {
 	const struct fwnode_handle *fwnode = dev_fwnode(dev);
@@ -833,7 +833,7 @@ EXPORT_SYMBOL_GPL(fwnode_get_named_child_node);
  * The caller is responsible for calling fwnode_handle_put() on the returned
  * fwnode pointer.
  */
-struct fwnode_handle *device_get_named_child_node(struct device *dev,
+struct fwnode_handle *device_get_named_child_node(const struct device *dev,
 						  const char *childname)
 {
 	return fwnode_get_named_child_node(dev_fwnode(dev), childname);
@@ -899,7 +899,7 @@ EXPORT_SYMBOL_GPL(fwnode_device_is_available);
  *
  * Return: the number of child nodes for a given device.
  */
-unsigned int device_get_child_node_count(struct device *dev)
+unsigned int device_get_child_node_count(const struct device *dev)
 {
 	struct fwnode_handle *child;
 	unsigned int count = 0;
diff --git a/include/linux/property.h b/include/linux/property.h
index 587b5b666b5bb..ec3490591f934 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -114,16 +114,16 @@ struct fwnode_handle *fwnode_get_next_available_child_node(
 	for (child = fwnode_get_next_available_child_node(fwnode, NULL); child;\
 	     child = fwnode_get_next_available_child_node(fwnode, child))
 
-struct fwnode_handle *device_get_next_child_node(
-	struct device *dev, struct fwnode_handle *child);
+struct fwnode_handle *device_get_next_child_node(const struct device *dev,
+						 struct fwnode_handle *child);
 
 #define device_for_each_child_node(dev, child)				\
 	for (child = device_get_next_child_node(dev, NULL); child;	\
 	     child = device_get_next_child_node(dev, child))
 
-struct fwnode_handle *fwnode_get_named_child_node(
-	const struct fwnode_handle *fwnode, const char *childname);
-struct fwnode_handle *device_get_named_child_node(struct device *dev,
+struct fwnode_handle *fwnode_get_named_child_node(const struct fwnode_handle *fwnode,
+						  const char *childname);
+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);
@@ -132,7 +132,7 @@ void fwnode_handle_put(struct fwnode_handle *fwnode);
 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);
 
-unsigned int device_get_child_node_count(struct device *dev);
+unsigned int device_get_child_node_count(const struct device *dev);
 
 static inline bool device_property_read_bool(struct device *dev,
 					     const char *propname)
-- 
2.43.0







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