X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/b4f5ad450602411b30e6d9849ce0406a93ffb597..75a19f0fc032643378d200cfcd3acb38ee6ffcc1:/target/linux/adm5120/files/drivers/usb/host/adm5120-pm.c

diff --git a/target/linux/adm5120/files/drivers/usb/host/adm5120-pm.c b/target/linux/adm5120/files/drivers/usb/host/adm5120-pm.c
index e10a8e95d..0ccf829c2 100644
--- a/target/linux/adm5120/files/drivers/usb/host/adm5120-pm.c
+++ b/target/linux/adm5120/files/drivers/usb/host/adm5120-pm.c
@@ -1,13 +1,16 @@
 /*
  * ADM5120 HCD (Host Controller Driver) for USB
  *
- * Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
+ * Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org>
  *
  * This file was derived from fragments of the OHCI driver.
  *   (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
  *   (C) Copyright 2000-2004 David Brownell <dbrownell@users.sourceforge.net>
  *
- * This file is licenced under the GPL.
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License version 2 as published
+ *  by the Free Software Foundation.
+ *
  */
 
 #define OHCI_SCHED_ENABLES \
@@ -380,9 +383,8 @@ static int admhc_restart(struct admhcd *ahcd)
 					ed, ed->state);
 		}
 
-		spin_lock(&urb->lock);
-		urb->status = -ESHUTDOWN;
-		spin_unlock(&urb->lock);
+		if (!urb->unlinked)
+			urb->unlinked = -ESHUTDOWN;
 	}
 	finish_unlinks(ahcd, 0);
 	spin_unlock_irq(&ahcd->lock);
@@ -430,13 +432,17 @@ static inline int admhc_rh_resume(struct admhcd *ahcd)
 static int admhc_root_hub_state_changes(struct admhcd *ahcd, int changed,
 		int any_connected)
 {
-	int	poll_rh = 1;
-
-	/* keep on polling until RHSC is enabled */
+	/* If INSM is enabled, don't poll */
 	if (admhc_readl(ahcd, &ahcd->regs->int_enable) & ADMHC_INTR_INSM)
-		poll_rh = 0;
+		return 0;
 
-	return poll_rh;
+	/* If no status changes are pending, enable status-change interrupts */
+	if (!changed) {
+		admhc_intr_enable(ahcd, ADMHC_INTR_INSM);
+		return 0;
+	}
+
+	return 1;
 }
 
 #endif	/* CONFIG_PM */