USB: UHCI: notify usbcore about port resumes
authorAlan Stern <stern@rowland.harvard.edu>
Fri, 25 Jan 2013 22:09:55 +0000 (17:09 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 25 Jan 2013 23:06:01 +0000 (15:06 -0800)
This patch (as1651) adds calls to the new
usb_hcd_{start,end}_port_resume() functions to uhci-hcd.  Now UHCI
root hubs won't be runtime suspended while they are sending a resume
signal to one of their ports.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/host/uhci-hub.c

index 768d54295a20742a8f38d6224ce1a9bb1de85556..15d13229ddbb6860d41e706bfaf716fe49b93067 100644 (file)
@@ -116,6 +116,7 @@ static void uhci_finish_suspend(struct uhci_hcd *uhci, int port,
                }
        }
        clear_bit(port, &uhci->resuming_ports);
+       usb_hcd_end_port_resume(&uhci_to_hcd(uhci)->self, port);
 }
 
 /* Wait for the UHCI controller in HP's iLO2 server management chip.
@@ -167,6 +168,8 @@ static void uhci_check_ports(struct uhci_hcd *uhci)
                                set_bit(port, &uhci->resuming_ports);
                                uhci->ports_timeout = jiffies +
                                                msecs_to_jiffies(25);
+                               usb_hcd_start_port_resume(
+                                               &uhci_to_hcd(uhci)->self, port);
 
                                /* Make sure we see the port again
                                 * after the resuming period is over. */