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-rw-r--r--include/linux/usb.h22
1 files changed, 18 insertions, 4 deletions
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 87dc75a6cee1..cfbd2bb8fa2c 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -299,8 +299,9 @@ struct usb_bus {
int bandwidth_int_reqs; /* number of Interrupt requests */
int bandwidth_isoc_reqs; /* number of Isoc. requests */
+#ifdef CONFIG_USB_DEVICEFS
struct dentry *usbfs_dentry; /* usbfs dentry entry for the bus */
-
+#endif
struct class_device *class_dev; /* class device for this bus */
#if defined(CONFIG_USB_MON)
@@ -373,9 +374,12 @@ struct usb_device {
char *serial; /* iSerialNumber string, if present */
struct list_head filelist;
- struct device *usbfs_dev;
+#ifdef CONFIG_USB_DEVICE_CLASS
+ struct device *usb_classdev;
+#endif
+#ifdef CONFIG_USB_DEVICEFS
struct dentry *usbfs_dentry; /* usbfs dentry entry for the device */
-
+#endif
/*
* Child devices - these can be either new devices
* (if this is a hub device), or different instances
@@ -394,10 +398,13 @@ struct usb_device {
struct delayed_work autosuspend; /* for delayed autosuspends */
struct mutex pm_mutex; /* protects PM operations */
- unsigned autosuspend_delay; /* in jiffies */
+ unsigned long last_busy; /* time of last use */
+ int autosuspend_delay; /* in jiffies */
unsigned auto_pm:1; /* autosuspend/resume in progress */
unsigned do_remote_wakeup:1; /* remote wakeup should be enabled */
+ unsigned autosuspend_disabled:1; /* autosuspend and autoresume */
+ unsigned autoresume_disabled:1; /* disabled by the user */
#endif
};
#define to_usb_device(d) container_of(d, struct usb_device, dev)
@@ -437,6 +444,11 @@ static inline void usb_autopm_disable(struct usb_interface *intf)
usb_autopm_set_interface(intf);
}
+static inline void usb_mark_last_busy(struct usb_device *udev)
+{
+ udev->last_busy = jiffies;
+}
+
#else
static inline int usb_autopm_set_interface(struct usb_interface *intf)
@@ -451,6 +463,8 @@ static inline void usb_autopm_enable(struct usb_interface *intf)
{ }
static inline void usb_autopm_disable(struct usb_interface *intf)
{ }
+static inline void usb_mark_last_busy(struct usb_device *udev)
+{ }
#endif
/*-------------------------------------------------------------------------*/
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