This patch (as822) prevents the OHCI autostop mechanism from kicking in
if the root hub is not able or not allowed to issue wakeup requests.
Signed-off-by: Alan Stern <[EMAIL PROTECTED]>
---
Greg:
This patch should go into 2.6.19-rc ASAP. It does solve a real problem.
The larger-scale changes Dave and I have been discussing will be submitted
separately, for inclusion in 2.6.20.
Alan Stern
Index: 2.6.19-rc5/drivers/usb/host/ohci-hub.c
===================================================================
--- 2.6.19-rc5.orig/drivers/usb/host/ohci-hub.c
+++ 2.6.19-rc5/drivers/usb/host/ohci-hub.c
@@ -422,7 +422,8 @@ ohci_hub_status_data (struct usb_hcd *hc
ohci->autostop = 0;
ohci->next_statechange = jiffies +
STATECHANGE_DELAY;
- } else if (time_after_eq (jiffies,
+ } else if (device_may_wakeup(&hcd->self.root_hub->dev)
+ && time_after_eq(jiffies,
ohci->next_statechange)
&& !ohci->ed_rm_list
&& !(ohci->hc_control &
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