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-rw-r--r--drivers/base/base.h5
-rw-r--r--drivers/base/dd.c9
-rw-r--r--drivers/dma/idxd/compat.c1
-rw-r--r--include/linux/device.h4
4 files changed, 10 insertions, 9 deletions
diff --git a/drivers/base/base.h b/drivers/base/base.h
index 50151e7db796..8bef47afa3a9 100644
--- a/drivers/base/base.h
+++ b/drivers/base/base.h
@@ -161,10 +161,11 @@ void device_release_driver_internal(struct device *dev, const struct device_driv
void driver_detach(const struct device_driver *drv);
void driver_deferred_probe_del(struct device *dev);
void device_set_deferred_probe_reason(const struct device *dev, struct va_format *vaf);
-static inline int driver_match_device(struct device_driver *drv,
+static inline int driver_match_device(const struct device_driver *drv,
struct device *dev)
{
- return drv->bus->match ? drv->bus->match(dev, drv) : 1;
+ /* cast will be removed in the future when match can handle a const pointer properly. */
+ return drv->bus->match ? drv->bus->match(dev, (struct device_driver *)drv) : 1;
}
static inline void dev_sync_state(struct device *dev)
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 8ec22229e259..9b745ba54de1 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -1118,7 +1118,7 @@ static void __device_driver_unlock(struct device *dev, struct device *parent)
* Manually attach driver to a device. Will acquire both @dev lock and
* @dev->parent lock if needed. Returns 0 on success, -ERR on failure.
*/
-int device_driver_attach(struct device_driver *drv, struct device *dev)
+int device_driver_attach(const struct device_driver *drv, struct device *dev)
{
int ret;
@@ -1154,7 +1154,7 @@ static void __driver_attach_async_helper(void *_dev, async_cookie_t cookie)
static int __driver_attach(struct device *dev, void *data)
{
- struct device_driver *drv = data;
+ const struct device_driver *drv = data;
bool async = false;
int ret;
@@ -1227,9 +1227,10 @@ static int __driver_attach(struct device *dev, void *data)
* returns 0 and the @dev->driver is set, we've found a
* compatible pair.
*/
-int driver_attach(struct device_driver *drv)
+int driver_attach(const struct device_driver *drv)
{
- return bus_for_each_dev(drv->bus, NULL, drv, __driver_attach);
+ /* The (void *) will be put back to const * in __driver_attach() */
+ return bus_for_each_dev(drv->bus, NULL, (void *)drv, __driver_attach);
}
EXPORT_SYMBOL_GPL(driver_attach);
diff --git a/drivers/dma/idxd/compat.c b/drivers/dma/idxd/compat.c
index 5fd38d1b9d28..a4adb0c17995 100644
--- a/drivers/dma/idxd/compat.c
+++ b/drivers/dma/idxd/compat.c
@@ -7,7 +7,6 @@
#include <linux/device/bus.h>
#include "idxd.h"
-extern int device_driver_attach(struct device_driver *drv, struct device *dev);
extern void device_driver_detach(struct device *dev);
#define DRIVER_ATTR_IGNORE_LOCKDEP(_name, _mode, _show, _store) \
diff --git a/include/linux/device.h b/include/linux/device.h
index 3a630942f358..34eb20f5966f 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -1177,12 +1177,12 @@ static inline void *dev_get_platdata(const struct device *dev)
* Manual binding of a device to driver. See drivers/base/bus.c
* for information on use.
*/
-int __must_check device_driver_attach(struct device_driver *drv,
+int __must_check device_driver_attach(const struct device_driver *drv,
struct device *dev);
int __must_check device_bind_driver(struct device *dev);
void device_release_driver(struct device *dev);
int __must_check device_attach(struct device *dev);
-int __must_check driver_attach(struct device_driver *drv);
+int __must_check driver_attach(const struct device_driver *drv);
void device_initial_probe(struct device *dev);
int __must_check device_reprobe(struct device *dev);