* to retain this data, it should do so, and increment the reference
* count in the supplied callback.
*/
-int bus_for_each_dev(struct bus_type *bus, struct device *start,
+int bus_for_each_dev(const struct bus_type *bus, struct device *start,
void *data, int (*fn)(struct device *, void *))
{
struct klist_iter i;
* if it does. If the callback returns non-zero, this function will
* return to the caller and not iterate over any more devices.
*/
-struct device *bus_find_device(struct bus_type *bus,
+struct device *bus_find_device(const struct bus_type *bus,
struct device *start, const void *data,
int (*match)(struct device *dev, const void *data))
{
* in the callback. It must also be sure to increment the refcount
* so it doesn't disappear before returning to the caller.
*/
-int bus_for_each_drv(struct bus_type *bus, struct device_driver *start,
+int bus_for_each_drv(const struct bus_type *bus, struct device_driver *start,
void *data, int (*fn)(struct device_driver *, void *))
{
struct klist_iter i;
int device_match_any(struct device *dev, const void *unused);
/* iterator helpers for buses */
-int bus_for_each_dev(struct bus_type *bus, struct device *start, void *data,
+int bus_for_each_dev(const struct bus_type *bus, struct device *start, void *data,
int (*fn)(struct device *dev, void *data));
-struct device *bus_find_device(struct bus_type *bus, struct device *start,
+struct device *bus_find_device(const struct bus_type *bus, struct device *start,
const void *data,
int (*match)(struct device *dev, const void *data));
/**
* @start: Device to begin with
* @name: name of the device to match
*/
-static inline struct device *bus_find_device_by_name(struct bus_type *bus,
+static inline struct device *bus_find_device_by_name(const struct bus_type *bus,
struct device *start,
const char *name)
{
* @np: of_node of the device to match.
*/
static inline struct device *
-bus_find_device_by_of_node(struct bus_type *bus, const struct device_node *np)
+bus_find_device_by_of_node(const struct bus_type *bus, const struct device_node *np)
{
return bus_find_device(bus, NULL, np, device_match_of_node);
}
* @fwnode: fwnode of the device to match.
*/
static inline struct device *
-bus_find_device_by_fwnode(struct bus_type *bus, const struct fwnode_handle *fwnode)
+bus_find_device_by_fwnode(const struct bus_type *bus, const struct fwnode_handle *fwnode)
{
return bus_find_device(bus, NULL, fwnode, device_match_fwnode);
}
* @bus: bus type
* @devt: device type of the device to match.
*/
-static inline struct device *bus_find_device_by_devt(struct bus_type *bus,
+static inline struct device *bus_find_device_by_devt(const struct bus_type *bus,
dev_t devt)
{
return bus_find_device(bus, NULL, &devt, device_match_devt);
* @cur: device to begin the search with.
*/
static inline struct device *
-bus_find_next_device(struct bus_type *bus,struct device *cur)
+bus_find_next_device(const struct bus_type *bus,struct device *cur)
{
return bus_find_device(bus, cur, NULL, device_match_any);
}
* @adev: ACPI COMPANION device to match.
*/
static inline struct device *
-bus_find_device_by_acpi_dev(struct bus_type *bus, const struct acpi_device *adev)
+bus_find_device_by_acpi_dev(const struct bus_type *bus, const struct acpi_device *adev)
{
return bus_find_device(bus, NULL, adev, device_match_acpi_dev);
}
#else
static inline struct device *
-bus_find_device_by_acpi_dev(struct bus_type *bus, const void *adev)
+bus_find_device_by_acpi_dev(const struct bus_type *bus, const void *adev)
{
return NULL;
}
#endif
-int bus_for_each_drv(struct bus_type *bus, struct device_driver *start,
+int bus_for_each_drv(const struct bus_type *bus, struct device_driver *start,
void *data, int (*fn)(struct device_driver *, void *));
void bus_sort_breadthfirst(struct bus_type *bus,
int (*compare)(const struct device *a,