Merge branch 'x86/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

[cascardo/linux.git] / include / linux / usb.h

diff --git a/include/linux/usb.h b/include/linux/usb.h
index 4d22d0f..a0bee5a 100644 (file)
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -469,14 +469,12 @@ struct usb3_lpm_parameters {
  * @lpm_capable: device supports LPM
  * @usb2_hw_lpm_capable: device can perform USB2 hardware LPM
  * @usb2_hw_lpm_enabled: USB2 hardware LPM enabled
+ * @usb3_lpm_enabled: USB3 hardware LPM enabled
  * @string_langid: language ID for strings
  * @product: iProduct string, if present (static)
  * @manufacturer: iManufacturer string, if present (static)
  * @serial: iSerialNumber string, if present (static)
  * @filelist: usbfs files that are open to this device
- * @usb_classdev: USB class device that was created for usbfs device
- *     access from userspace
- * @usbfs_dentry: usbfs dentry entry for the device
  * @maxchild: number of ports if hub
  * @quirks: quirks of the whole device
  * @urbnum: number of URBs submitted for the whole device
@@ -619,7 +617,7 @@ static inline bool usb_acpi_power_manageable(struct usb_device *hdev, int index)
 #endif
 
 /* USB autosuspend and autoresume */
-#ifdef CONFIG_USB_SUSPEND
+#ifdef CONFIG_PM_RUNTIME
 extern void usb_enable_autosuspend(struct usb_device *udev);
 extern void usb_disable_autosuspend(struct usb_device *udev);
 
@@ -978,7 +976,12 @@ struct usbdrv_wrap {
  *     the "usbfs" filesystem.  This lets devices provide ways to
  *     expose information to user space regardless of where they
  *     do (or don't) show up otherwise in the filesystem.
- * @suspend: Called when the device is going to be suspended by the system.
+ * @suspend: Called when the device is going to be suspended by the
+ *     system either from system sleep or runtime suspend context. The
+ *     return value will be ignored in system sleep context, so do NOT
+ *     try to continue using the device if suspend fails in this case.
+ *     Instead, let the resume or reset-resume routine recover from
+ *     the failure.
  * @resume: Called when the device is being resumed by the system.
  * @reset_resume: Called when the suspended device has been reset instead
  *     of being resumed.