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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-02-08 12:13:12 +0100 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-02-09 10:43:09 +0100 |
commit | e0766ea4c8f8f94a605e291aa3672a703dc1d2e4 (patch) | |
tree | 33e76285ee14319c18a02e31b2ab6274fb7023e6 /include/linux/device | |
parent | 273afac615adccf97bd4e70ebfb27074f1ff22b9 (diff) | |
download | linux-stable-e0766ea4c8f8f94a605e291aa3672a703dc1d2e4.tar.gz linux-stable-e0766ea4c8f8f94a605e291aa3672a703dc1d2e4.tar.bz2 linux-stable-e0766ea4c8f8f94a605e291aa3672a703dc1d2e4.zip |
driver core: bus: constantify the bus_find_* functions
All of the bus find and iterator functions do not modify the struct
bus_type passed to them, so mark them as constant to enforce this rule.
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Link: https://lore.kernel.org/r/20230208111330.439504-4-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/device')
-rw-r--r-- | include/linux/device/bus.h | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/include/linux/device/bus.h b/include/linux/device/bus.h index e3094db1e9fa..f0c8bf91b07a 100644 --- a/include/linux/device/bus.h +++ b/include/linux/device/bus.h @@ -149,9 +149,9 @@ int device_match_acpi_handle(struct device *dev, const void *handle); 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)); /** @@ -161,7 +161,7 @@ struct device *bus_find_device(struct bus_type *bus, struct device *start, * @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) { @@ -175,7 +175,7 @@ static inline struct device *bus_find_device_by_name(struct bus_type *bus, * @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); } @@ -187,7 +187,7 @@ bus_find_device_by_of_node(struct bus_type *bus, const struct device_node *np) * @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); } @@ -198,7 +198,7 @@ bus_find_device_by_fwnode(struct bus_type *bus, const struct fwnode_handle *fwno * @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); @@ -211,7 +211,7 @@ static inline struct device *bus_find_device_by_devt(struct bus_type *bus, * @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); } @@ -226,19 +226,19 @@ struct acpi_device; * @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, |