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device property: Constify a few fwnode APIs

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The fwnode parameter is not altered in the following APIs:

- fwnode_get_next_parent_dev()
- fwnode_is_ancestor_of()
- fwnode_graph_get_endpoint_count()

so constify them.

Reported-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230324112720.71315-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2023-03-24 13:27:20 +02:00 committed by Greg Kroah-Hartman
parent 0a392354db
commit 5b9ff0ba11
2 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/base/property.c
View File

@ -648,7 +648,7 @@ EXPORT_SYMBOL_GPL(fwnode_get_next_parent);
*
* Return: a pointer to the device of the @fwnode's closest ancestor.
*/
struct device *fwnode_get_next_parent_dev(struct fwnode_handle *fwnode)
struct device *fwnode_get_next_parent_dev(const struct fwnode_handle *fwnode)
{
struct fwnode_handle *parent;
struct device *dev;
@ -718,7 +718,7 @@ EXPORT_SYMBOL_GPL(fwnode_get_nth_parent);
*
* Return: true if @ancestor is an ancestor of @child. Otherwise, returns false.
*/
bool fwnode_is_ancestor_of(struct fwnode_handle *ancestor, struct fwnode_handle *child)
bool fwnode_is_ancestor_of(const struct fwnode_handle *ancestor, const struct fwnode_handle *child)
{
struct fwnode_handle *parent;
@ -1235,7 +1235,7 @@ EXPORT_SYMBOL_GPL(fwnode_graph_get_endpoint_by_id);
* If FWNODE_GRAPH_DEVICE_DISABLED flag is specified, also unconnected endpoints
* and endpoints connected to disabled devices are counted.
*/
unsigned int fwnode_graph_get_endpoint_count(struct fwnode_handle *fwnode,
unsigned int fwnode_graph_get_endpoint_count(const struct fwnode_handle *fwnode,
unsigned long flags)
{
struct fwnode_handle *ep;

6
include/linux/property.h
View File

@ -105,11 +105,11 @@ struct fwnode_handle *fwnode_get_next_parent(struct fwnode_handle *fwnode);
for (parent = fwnode_get_parent(fwnode); parent; \
parent = fwnode_get_next_parent(parent))
struct device *fwnode_get_next_parent_dev(struct fwnode_handle *fwnode);
struct device *fwnode_get_next_parent_dev(const struct fwnode_handle *fwnode);
unsigned int fwnode_count_parents(const struct fwnode_handle *fwn);
struct fwnode_handle *fwnode_get_nth_parent(struct fwnode_handle *fwn,
unsigned int depth);
bool fwnode_is_ancestor_of(struct fwnode_handle *ancestor, struct fwnode_handle *child);
bool fwnode_is_ancestor_of(const struct fwnode_handle *ancestor, const struct fwnode_handle *child);
struct fwnode_handle *fwnode_get_next_child_node(
const struct fwnode_handle *fwnode, struct fwnode_handle *child);
struct fwnode_handle *fwnode_get_next_available_child_node(
@ -433,7 +433,7 @@ static inline bool fwnode_graph_is_endpoint(const struct fwnode_handle *fwnode)
struct fwnode_handle *
fwnode_graph_get_endpoint_by_id(const struct fwnode_handle *fwnode,
u32 port, u32 endpoint, unsigned long flags);
unsigned int fwnode_graph_get_endpoint_count(struct fwnode_handle *fwnode,
unsigned int fwnode_graph_get_endpoint_count(const struct fwnode_handle *fwnode,
unsigned long flags);
#define fwnode_graph_for_each_endpoint(fwnode, child) \