Commit 7952cd2b authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Greg Kroah-Hartman
Browse files

device property: Constify device child node APIs 



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

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: default avatarHeikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Link: https://lore.kernel.org/r/20221004092129.19412-5-andriy.shevchenko@linux.intel.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a1bfed60

drivers/base/property.c

+3 −3
Original line number Diff line number Diff line
@@ -763,7 +763,7 @@ EXPORT_SYMBOL_GPL(fwnode_get_next_available_child_node); 
 * @dev: Device to find the next child node for.

 * @child: Handle to one of the device's child nodes or a null handle.

 */

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);
@@ -800,7 +800,7 @@ EXPORT_SYMBOL_GPL(fwnode_get_named_child_node); 
 * @dev: Device to find the named child node for.

 * @childname: String to match child node name against.

 */

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);
@@ -859,7 +859,7 @@ EXPORT_SYMBOL_GPL(fwnode_device_is_available); 
 * device_get_child_node_count - return the number of child nodes for device

 * @dev: Device to cound the child nodes for

 */

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;

include/linux/property.h

+6 −6
Original line number Diff line number Diff line
@@ -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)