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authorAlek Du <alek.du@intel.com>2010-06-04 15:47:55 +0800
committerGreg Kroah-Hartman <gregkh@suse.de>2010-08-10 14:35:35 -0700
commit48f24970144479c29b8cee6d2e1dbedf6dcf9cfb (patch)
tree5a4944c496f4209a862188c16f29cdef55db3224 /drivers/usb/core/hub.c
parentaa4d8342988d0c1a79ff19b2ede1e81dfbb16ea5 (diff)
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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 'drivers/usb/core/hub.c')
-rw-r--r--drivers/usb/core/hub.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 70cccc75a36..9cd77a2af82 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -2880,7 +2880,9 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1,
}
retval = 0;
-
+ /* notify HCD that we have a device connected and addressed */
+ if (hcd->driver->update_device)
+ hcd->driver->update_device(hcd, udev);
fail:
if (retval) {
hub_port_disable(hub, port1, 0);