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USB: UHCI: notify usbcore about port resumes 

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>
This commit is contained in:
Alan Stern 2013-01-25 17:09:55 -05:00 committed by Greg Kroah-Hartman
parent f292e7f9fb
commit 840008bb51
1 changed files with 3 additions and 0 deletions
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3
drivers/usb/host/uhci-hub.c
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@ -116,6 +116,7 @@ static void uhci_finish_suspend(struct uhci_hcd *uhci, int port,
} }
} }
clear_bit(port, &uhci->resuming_ports); 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. /* 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); set_bit(port, &uhci->resuming_ports);
uhci->ports_timeout = jiffies + uhci->ports_timeout = jiffies +
msecs_to_jiffies(25); msecs_to_jiffies(25);
usb_hcd_start_port_resume(
&uhci_to_hcd(uhci)->self, port);
/* Make sure we see the port again /* Make sure we see the port again
* after the resuming period is over. */ * after the resuming period is over. */