USB: Make file operations structs in drivers/usb const.

[firefly-linux-kernel-4.4.55.git] / drivers / usb / core / usb.h

diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h
index 7a650c763a627a2992f0133f662f104fba94f572..6096ead2758cd6fef9d3ff46f5134003376e75b0 100644 (file)
--- a/drivers/usb/core/usb.h
+++ b/drivers/usb/core/usb.h
@@ -30,28 +30,57 @@ extern void usb_major_cleanup(void);
 extern int usb_host_init(void);
 extern void usb_host_cleanup(void);
 
-extern int usb_suspend_device(struct usb_device *dev);
-extern int usb_resume_device(struct usb_device *dev);
+#ifdef CONFIG_PM
 
-extern struct device_driver usb_generic_driver;
-extern int usb_generic_driver_data;
-extern int usb_device_match(struct device *dev, struct device_driver *drv);
+extern int usb_suspend_both(struct usb_device *udev, pm_message_t msg);
+extern int usb_resume_both(struct usb_device *udev);
+extern int usb_port_suspend(struct usb_device *dev);
+extern int usb_port_resume(struct usb_device *dev);
+
+#else
+
+#define usb_suspend_both(udev, msg)    0
+#define usb_resume_both(udev)          0
+#define usb_port_suspend(dev)          0
+#define usb_port_resume(dev)           0
+
+#endif
+
+extern struct bus_type usb_bus_type;
+extern struct usb_device_driver usb_generic_driver;
+
+/* Here's how we tell apart devices and interfaces.  Luckily there's
+ * no such thing as a platform USB device, so we can steal the use
+ * of the platform_data field. */
+
+static inline int is_usb_device(struct device *dev)
+{
+       return dev->platform_data == &usb_generic_driver;
+}
+
+/* Do the same for device drivers and interface drivers. */
+
+static inline int is_usb_device_driver(struct device_driver *drv)
+{
+       return container_of(drv, struct usbdrv_wrap, driver)->
+                       for_devices;
+}
 
 /* Interfaces and their "power state" are owned by usbcore */
 
 static inline void mark_active(struct usb_interface *f)
 {
-       f->dev.power.power_state.event = PM_EVENT_ON;
+       f->is_active = 1;
 }
 
 static inline void mark_quiesced(struct usb_interface *f)
 {
-       f->dev.power.power_state.event = PM_EVENT_FREEZE;
+       f->is_active = 0;
 }
 
 static inline int is_active(struct usb_interface *f)
 {
-       return f->dev.power.power_state.event == PM_EVENT_ON;
+       return f->is_active;
 }
 
 
@@ -59,9 +88,10 @@ static inline int is_active(struct usb_interface *f)
 extern const char *usbcore_name;
 
 /* usbfs stuff */
+extern struct mutex usbfs_mutex;
 extern struct usb_driver usbfs_driver;
-extern struct file_operations usbfs_devices_fops;
-extern struct file_operations usbfs_device_file_operations;
+extern const struct file_operations usbfs_devices_fops;
+extern const struct file_operations usbfs_device_file_operations;
 extern void usbfs_conn_disc_event(void);
 
 extern int usbdev_init(void);
@@ -80,6 +110,7 @@ struct dev_state {
        uid_t disc_uid, disc_euid;
        void __user *disccontext;
        unsigned long ifclaimed;
+       u32 secid;
 };
 
 /* internal notify stuff */