From: Alan Stern <stern@rowland.harvard.edu>
Date: Tue, 14 Nov 2006 21:28:01 +0000 (-0500)
Subject: OHCI: disallow autostop when wakeup is not available
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=3da2495c0a92723d58cacaaff48dc60a29ddaae6;p=openwrt%2Fstaging%2Fblogic.git

OHCI: disallow autostop when wakeup is not available

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 <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c
index 6f113596af66..da09e7930c1b 100644
--- a/drivers/usb/host/ohci-hub.c
+++ b/drivers/usb/host/ohci-hub.c
@@ -422,7 +422,8 @@ ohci_hub_status_data (struct usb_hcd *hcd, char *buf)
 				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 &