summaryrefslogtreecommitdiff
path: root/include/linux/device.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/device.h')
-rw-r--r--include/linux/device.h131
1 files changed, 67 insertions, 64 deletions
diff --git a/include/linux/device.h b/include/linux/device.h
index bdcf361ca938..ffbcf95cd97d 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -20,7 +20,7 @@
#include <linux/lockdep.h>
#include <linux/compiler.h>
#include <linux/types.h>
-#include <linux/module.h>
+#include <linux/mutex.h>
#include <linux/pm.h>
#include <linux/atomic.h>
#include <asm/device.h>
@@ -29,10 +29,12 @@ struct device;
struct device_private;
struct device_driver;
struct driver_private;
+struct module;
struct class;
struct subsys_private;
struct bus_type;
struct device_node;
+struct iommu_ops;
struct bus_attribute {
struct attribute attr;
@@ -67,6 +69,9 @@ extern void bus_remove_file(struct bus_type *, struct bus_attribute *);
* @resume: Called to bring a device on this bus out of sleep mode.
* @pm: Power management operations of this bus, callback the specific
* device driver's pm-ops.
+ * @iommu_ops IOMMU specific operations for this bus, used to attach IOMMU
+ * driver implementations to a bus and allow the driver to do
+ * bus-specific setup
* @p: The private data of the driver core, only the driver core can
* touch this.
*
@@ -96,6 +101,8 @@ struct bus_type {
const struct dev_pm_ops *pm;
+ struct iommu_ops *iommu_ops;
+
struct subsys_private *p;
};
@@ -616,8 +623,8 @@ static inline const char *dev_name(const struct device *dev)
return kobject_name(&dev->kobj);
}
-extern int dev_set_name(struct device *dev, const char *name, ...)
- __attribute__((format(printf, 2, 3)));
+extern __printf(2, 3)
+int dev_set_name(struct device *dev, const char *name, ...);
#ifdef CONFIG_NUMA
static inline int dev_to_node(struct device *dev)
@@ -717,10 +724,14 @@ extern int dev_set_drvdata(struct device *dev, void *data);
*/
extern struct device *__root_device_register(const char *name,
struct module *owner);
-static inline struct device *root_device_register(const char *name)
-{
- return __root_device_register(name, THIS_MODULE);
-}
+
+/*
+ * This is a macro to avoid include problems with THIS_MODULE,
+ * just as per what is done for device_schedule_callback() above.
+ */
+#define root_device_register(name) \
+ __root_device_register(name, THIS_MODULE)
+
extern void root_device_unregister(struct device *root);
static inline void *dev_get_platdata(const struct device *dev)
@@ -747,10 +758,10 @@ extern struct device *device_create_vargs(struct class *cls,
void *drvdata,
const char *fmt,
va_list vargs);
-extern struct device *device_create(struct class *cls, struct device *parent,
- dev_t devt, void *drvdata,
- const char *fmt, ...)
- __attribute__((format(printf, 5, 6)));
+extern __printf(5, 6)
+struct device *device_create(struct class *cls, struct device *parent,
+ dev_t devt, void *drvdata,
+ const char *fmt, ...);
extern void device_destroy(struct class *cls, dev_t devt);
/*
@@ -794,64 +805,56 @@ extern const char *dev_driver_string(const struct device *dev);
extern int __dev_printk(const char *level, const struct device *dev,
struct va_format *vaf);
-extern int dev_printk(const char *level, const struct device *dev,
- const char *fmt, ...)
- __attribute__ ((format (printf, 3, 4)));
-extern int dev_emerg(const struct device *dev, const char *fmt, ...)
- __attribute__ ((format (printf, 2, 3)));
-extern int dev_alert(const struct device *dev, const char *fmt, ...)
- __attribute__ ((format (printf, 2, 3)));
-extern int dev_crit(const struct device *dev, const char *fmt, ...)
- __attribute__ ((format (printf, 2, 3)));
-extern int dev_err(const struct device *dev, const char *fmt, ...)
- __attribute__ ((format (printf, 2, 3)));
-extern int dev_warn(const struct device *dev, const char *fmt, ...)
- __attribute__ ((format (printf, 2, 3)));
-extern int dev_notice(const struct device *dev, const char *fmt, ...)
- __attribute__ ((format (printf, 2, 3)));
-extern int _dev_info(const struct device *dev, const char *fmt, ...)
- __attribute__ ((format (printf, 2, 3)));
+extern __printf(3, 4)
+int dev_printk(const char *level, const struct device *dev,
+ const char *fmt, ...)
+ ;
+extern __printf(2, 3)
+int dev_emerg(const struct device *dev, const char *fmt, ...);
+extern __printf(2, 3)
+int dev_alert(const struct device *dev, const char *fmt, ...);
+extern __printf(2, 3)
+int dev_crit(const struct device *dev, const char *fmt, ...);
+extern __printf(2, 3)
+int dev_err(const struct device *dev, const char *fmt, ...);
+extern __printf(2, 3)
+int dev_warn(const struct device *dev, const char *fmt, ...);
+extern __printf(2, 3)
+int dev_notice(const struct device *dev, const char *fmt, ...);
+extern __printf(2, 3)
+int _dev_info(const struct device *dev, const char *fmt, ...);
#else
static inline int __dev_printk(const char *level, const struct device *dev,
struct va_format *vaf)
- { return 0; }
-static inline int dev_printk(const char *level, const struct device *dev,
- const char *fmt, ...)
- __attribute__ ((format (printf, 3, 4)));
-static inline int dev_printk(const char *level, const struct device *dev,
- const char *fmt, ...)
- { return 0; }
-
-static inline int dev_emerg(const struct device *dev, const char *fmt, ...)
- __attribute__ ((format (printf, 2, 3)));
-static inline int dev_emerg(const struct device *dev, const char *fmt, ...)
- { return 0; }
-static inline int dev_crit(const struct device *dev, const char *fmt, ...)
- __attribute__ ((format (printf, 2, 3)));
-static inline int dev_crit(const struct device *dev, const char *fmt, ...)
- { return 0; }
-static inline int dev_alert(const struct device *dev, const char *fmt, ...)
- __attribute__ ((format (printf, 2, 3)));
-static inline int dev_alert(const struct device *dev, const char *fmt, ...)
- { return 0; }
-static inline int dev_err(const struct device *dev, const char *fmt, ...)
- __attribute__ ((format (printf, 2, 3)));
-static inline int dev_err(const struct device *dev, const char *fmt, ...)
- { return 0; }
-static inline int dev_warn(const struct device *dev, const char *fmt, ...)
- __attribute__ ((format (printf, 2, 3)));
-static inline int dev_warn(const struct device *dev, const char *fmt, ...)
- { return 0; }
-static inline int dev_notice(const struct device *dev, const char *fmt, ...)
- __attribute__ ((format (printf, 2, 3)));
-static inline int dev_notice(const struct device *dev, const char *fmt, ...)
- { return 0; }
-static inline int _dev_info(const struct device *dev, const char *fmt, ...)
- __attribute__ ((format (printf, 2, 3)));
-static inline int _dev_info(const struct device *dev, const char *fmt, ...)
- { return 0; }
+{ return 0; }
+static inline __printf(3, 4)
+int dev_printk(const char *level, const struct device *dev,
+ const char *fmt, ...)
+{ return 0; }
+
+static inline __printf(2, 3)
+int dev_emerg(const struct device *dev, const char *fmt, ...)
+{ return 0; }
+static inline __printf(2, 3)
+int dev_crit(const struct device *dev, const char *fmt, ...)
+{ return 0; }
+static inline __printf(2, 3)
+int dev_alert(const struct device *dev, const char *fmt, ...)
+{ return 0; }
+static inline __printf(2, 3)
+int dev_err(const struct device *dev, const char *fmt, ...)
+{ return 0; }
+static inline __printf(2, 3)
+int dev_warn(const struct device *dev, const char *fmt, ...)
+{ return 0; }
+static inline __printf(2, 3)
+int dev_notice(const struct device *dev, const char *fmt, ...)
+{ return 0; }
+static inline __printf(2, 3)
+int _dev_info(const struct device *dev, const char *fmt, ...)
+{ return 0; }
#endif