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@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/host/uhci-hub.c | 3 +++
1 file changed, 3 insertions(+)
Index: usb-3.8/drivers/usb/host/uhci-hub.c
===================================================================
--- usb-3.8.orig/drivers/usb/host/uhci-hub.c
+++ usb-3.8/drivers/usb/host/uhci-hub.c
@@ -116,6 +116,7 @@ static void uhci_finish_suspend(struct u
}
}
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
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. */
--
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