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authorAlek Du <alek.du@intel.com>2010-06-04 11:47:55 +0400
committerGreg Kroah-Hartman <gregkh@suse.de>2010-08-11 01:35:35 +0400
commit48f24970144479c29b8cee6d2e1dbedf6dcf9cfb (patch)
tree5a4944c496f4209a862188c16f29cdef55db3224 /include/linux/usb/hcd.h
parentaa4d8342988d0c1a79ff19b2ede1e81dfbb16ea5 (diff)
downloadlinux-48f24970144479c29b8cee6d2e1dbedf6dcf9cfb.tar.xz
USB: EHCI: EHCI 1.1 addendum: Basic LPM feature support
With this patch, the LPM capable EHCI host controller can put device into L1 sleep state which is a mode that can enter/exit quickly, and reduce power consumption. Signed-off-by: Jacob Pan <jacob.jun.pan@intel.com> Signed-off-by: Alek Du <alek.du@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include/linux/usb/hcd.h')
-rw-r--r--include/linux/usb/hcd.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h
index 11b638195901..9b867e64a0f4 100644
--- a/include/linux/usb/hcd.h
+++ b/include/linux/usb/hcd.h
@@ -300,6 +300,10 @@ struct hc_driver {
int (*update_hub_device)(struct usb_hcd *, struct usb_device *hdev,
struct usb_tt *tt, gfp_t mem_flags);
int (*reset_device)(struct usb_hcd *, struct usb_device *);
+ /* Notifies the HCD after a device is connected and its
+ * address is set
+ */
+ int (*update_device)(struct usb_hcd *, struct usb_device *);
};
extern int usb_hcd_link_urb_to_ep(struct usb_hcd *hcd, struct urb *urb);