1 files changed, 15 insertions, 18 deletions

diff --git a/include/linux/usb.h b/include/linux/usb.h
index a34fa89f1474..e101a2d04d75 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -331,6 +331,7 @@ struct usb_bus {
         u8 otg_port;                    /* 0, or number of OTG/HNP port */
         unsigned is_b_host:1;           /* true during some HNP roleswitches */
         unsigned b_hnp_enable:1;        /* OTG: did A-Host enable HNP? */
+        unsigned sg_tablesize;          /* 0 or largest number of sg list entries */
 
         int devnum_next;                /* Next open device number in
                                          * round-robin allocation */
@@ -428,11 +429,9 @@ struct usb_tt;
  * @last_busy: time of last use
  * @autosuspend_delay: in jiffies
  * @connect_time: time device was first connected
- * @auto_pm: autosuspend/resume in progress
  * @do_remote_wakeup:  remote wakeup should be enabled
  * @reset_resume: needs reset instead of resume
  * @autosuspend_disabled: autosuspend disabled by the user
- * @autoresume_disabled: autoresume disabled by the user
  * @skip_sys_resume: skip the next system resume
  * @wusb_dev: if this is a Wireless USB device, link to the WUSB
  *      specific data for the device.
@@ -513,11 +512,9 @@ struct usb_device {
         int autosuspend_delay;
         unsigned long connect_time;
 
-        unsigned auto_pm:1;
         unsigned do_remote_wakeup:1;
         unsigned reset_resume:1;
         unsigned autosuspend_disabled:1;
-        unsigned autoresume_disabled:1;
         unsigned skip_sys_resume:1;
 #endif
         struct wusb_dev *wusb_dev;
@@ -543,22 +540,20 @@ extern struct usb_device *usb_find_device(u16 vendor_id, u16 product_id);
 
 /* USB autosuspend and autoresume */
 #ifdef CONFIG_USB_SUSPEND
-extern int usb_autopm_set_interface(struct usb_interface *intf);
 extern int usb_autopm_get_interface(struct usb_interface *intf);
 extern void usb_autopm_put_interface(struct usb_interface *intf);
 extern int usb_autopm_get_interface_async(struct usb_interface *intf);
 extern void usb_autopm_put_interface_async(struct usb_interface *intf);
 
-static inline void usb_autopm_enable(struct usb_interface *intf)
+static inline void usb_autopm_get_interface_no_resume(
+                struct usb_interface *intf)
 {
-        atomic_set(&intf->pm_usage_cnt, 0);
-        usb_autopm_set_interface(intf);
+        atomic_inc(&intf->pm_usage_cnt);
 }
-
-static inline void usb_autopm_disable(struct usb_interface *intf)
+static inline void usb_autopm_put_interface_no_suspend(
+                struct usb_interface *intf)
 {
-        atomic_set(&intf->pm_usage_cnt, 1);
-        usb_autopm_set_interface(intf);
+        atomic_dec(&intf->pm_usage_cnt);
 }
 
 static inline void usb_mark_last_busy(struct usb_device *udev)
@@ -568,12 +563,8 @@ static inline void usb_mark_last_busy(struct usb_device *udev)
 
 #else
 
-static inline int usb_autopm_set_interface(struct usb_interface *intf)
-{ return 0; }
-
 static inline int usb_autopm_get_interface(struct usb_interface *intf)
 { return 0; }
-
 static inline int usb_autopm_get_interface_async(struct usb_interface *intf)
 { return 0; }
 
@@ -581,9 +572,11 @@ static inline void usb_autopm_put_interface(struct usb_interface *intf)
 { }
 static inline void usb_autopm_put_interface_async(struct usb_interface *intf)
 { }
-static inline void usb_autopm_enable(struct usb_interface *intf)
+static inline void usb_autopm_get_interface_no_resume(
+                struct usb_interface *intf)
 { }
-static inline void usb_autopm_disable(struct usb_interface *intf)
+static inline void usb_autopm_put_interface_no_suspend(
+                struct usb_interface *intf)
 { }
 static inline void usb_mark_last_busy(struct usb_device *udev)
 { }
@@ -626,6 +619,10 @@ extern struct usb_interface *usb_ifnum_to_if(const struct usb_device *dev,
                 unsigned ifnum);
 extern struct usb_host_interface *usb_altnum_to_altsetting(
                 const struct usb_interface *intf, unsigned int altnum);
+extern struct usb_host_interface *usb_find_alt_setting(
+                struct usb_host_config *config,
+                unsigned int iface_num,
+                unsigned int alt_num);
 
 
 /**