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device property: Constify device child node APIs

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

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Link: https://lore.kernel.org/r/20221004092129.19412-5-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2022-10-04 12:21:28 +03:00 committed by Greg Kroah-Hartman
parent a1bfed6094
commit 7952cd2b82
2 changed files with 9 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
drivers/base/property.c
View file

@ -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;

12
include/linux/property.h
View file

@ -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)