#include <linux/types.h>
#include <linux/module.h>
#include <linux/pm.h>
-#include <linux/semaphore.h>
#include <asm/atomic.h>
#include <asm/device.h>
struct class_private;
struct bus_type;
struct bus_type_private;
+struct device_node;
struct bus_attribute {
struct attribute attr;
bool suppress_bind_attrs; /* disables bind/unbind via sysfs */
+#if defined(CONFIG_OF)
+ const struct of_device_id *of_match_table;
+#endif
+
int (*probe) (struct device *dev);
int (*remove) (struct device *dev);
void (*shutdown) (struct device *dev);
int (*suspend)(struct device *dev, pm_message_t state);
int (*resume)(struct device *dev);
+ const struct kobj_ns_type_operations *ns_type;
+ const void *(*namespace)(struct device *dev);
+
const struct dev_pm_ops *pm;
struct class_private *p;
const char *init_name; /* initial name of the device */
struct device_type *type;
- struct semaphore sem; /* semaphore to synchronize calls to
+ struct mutex mutex; /* mutex to synchronize calls to
* its driver.
*/
override */
/* arch specific additions */
struct dev_archdata archdata;
+#ifdef CONFIG_OF
+ struct device_node *of_node;
+#endif
dev_t devt; /* dev_t, creates the sysfs "dev" */
static inline void device_lock(struct device *dev)
{
- down(&dev->sem);
+ mutex_lock(&dev->mutex);
}
static inline int device_trylock(struct device *dev)
{
- return down_trylock(&dev->sem);
+ return mutex_trylock(&dev->mutex);
}
static inline void device_unlock(struct device *dev)
{
- up(&dev->sem);
+ mutex_unlock(&dev->mutex);
}
void driver_init(void);