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Diffstat (limited to 'include/linux/dio.h')
-rw-r--r--include/linux/dio.h10
1 files changed, 3 insertions, 7 deletions
diff --git a/include/linux/dio.h b/include/linux/dio.h
index 2cc0fd00463f..464331c4c4a7 100644
--- a/include/linux/dio.h
+++ b/include/linux/dio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/* header file for DIO boards for the HP300 architecture.
* Maybe this should handle DIO-II later?
* The general structure of this is vaguely based on how
@@ -67,7 +68,7 @@ struct dio_bus {
};
extern struct dio_bus dio_bus; /* Single DIO bus */
-extern struct bus_type dio_bus_type;
+extern const struct bus_type dio_bus_type;
/*
* DIO device IDs
@@ -92,7 +93,7 @@ struct dio_driver {
struct device_driver driver;
};
-#define to_dio_driver(drv) container_of(drv, struct dio_driver, driver)
+#define to_dio_driver(drv) container_of_const(drv, struct dio_driver, driver)
/* DIO/DIO-II boards all have the following 8bit registers.
* These are offsets from the base of the device.
@@ -246,11 +247,6 @@ extern int dio_create_sysfs_dev_files(struct dio_dev *);
/* New-style probing */
extern int dio_register_driver(struct dio_driver *);
extern void dio_unregister_driver(struct dio_driver *);
-extern const struct dio_device_id *dio_match_device(const struct dio_device_id *ids, const struct dio_dev *z);
-static inline struct dio_driver *dio_dev_driver(const struct dio_dev *d)
-{
- return d->driver;
-}
#define dio_resource_start(d) ((d)->resource.start)
#define dio_resource_end(d) ((d)->resource.end)