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path: root/drivers/base/driver.c
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Diffstat (limited to 'drivers/base/driver.c')
-rw-r--r--drivers/base/driver.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index c8436c26ed6a..8ab010ddf709 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -115,7 +115,7 @@ EXPORT_SYMBOL_GPL(driver_set_override);
* Iterate over the @drv's list of devices calling @fn for each one.
*/
int driver_for_each_device(struct device_driver *drv, struct device *start,
- void *data, int (*fn)(struct device *, void *))
+ void *data, device_iter_t fn)
{
struct klist_iter i;
struct device *dev;
@@ -148,9 +148,9 @@ EXPORT_SYMBOL_GPL(driver_for_each_device);
* 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 *driver_find_device(struct device_driver *drv,
+struct device *driver_find_device(const struct device_driver *drv,
struct device *start, const void *data,
- int (*match)(struct device *dev, const void *data))
+ device_match_t match)
{
struct klist_iter i;
struct device *dev;
@@ -160,9 +160,12 @@ struct device *driver_find_device(struct device_driver *drv,
klist_iter_init_node(&drv->p->klist_devices, &i,
(start ? &start->p->knode_driver : NULL));
- while ((dev = next_device(&i)))
- if (match(dev, data) && get_device(dev))
+ while ((dev = next_device(&i))) {
+ if (match(dev, data)) {
+ get_device(dev);
break;
+ }
+ }
klist_iter_exit(&i);
return dev;
}
@@ -173,7 +176,7 @@ EXPORT_SYMBOL_GPL(driver_find_device);
* @drv: driver.
* @attr: driver attribute descriptor.
*/
-int driver_create_file(struct device_driver *drv,
+int driver_create_file(const struct device_driver *drv,
const struct driver_attribute *attr)
{
int error;
@@ -191,7 +194,7 @@ EXPORT_SYMBOL_GPL(driver_create_file);
* @drv: driver.
* @attr: driver attribute descriptor.
*/
-void driver_remove_file(struct device_driver *drv,
+void driver_remove_file(const struct device_driver *drv,
const struct driver_attribute *attr)
{
if (drv)
@@ -199,13 +202,13 @@ void driver_remove_file(struct device_driver *drv,
}
EXPORT_SYMBOL_GPL(driver_remove_file);
-int driver_add_groups(struct device_driver *drv,
+int driver_add_groups(const struct device_driver *drv,
const struct attribute_group **groups)
{
return sysfs_create_groups(&drv->p->kobj, groups);
}
-void driver_remove_groups(struct device_driver *drv,
+void driver_remove_groups(const struct device_driver *drv,
const struct attribute_group **groups)
{
sysfs_remove_groups(&drv->p->kobj, groups);