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path: root/drivers/usb/host/ohci-hcd.c
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Diffstat (limited to 'drivers/usb/host/ohci-hcd.c')
-rw-r--r--drivers/usb/host/ohci-hcd.c29
1 files changed, 10 insertions, 19 deletions
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 8ada13f8dde2..3586460fb2a1 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -51,8 +51,6 @@
/*-------------------------------------------------------------------------*/
-#undef OHCI_VERBOSE_DEBUG /* not always helpful */
-
/* For initializing controller (mask in an HCFS mode too) */
#define OHCI_CONTROL_INIT OHCI_CTRL_CBSR
#define OHCI_INTR_INIT \
@@ -127,10 +125,6 @@ static int ohci_urb_enqueue (
unsigned long flags;
int retval = 0;
-#ifdef OHCI_VERBOSE_DEBUG
- urb_print(urb, "SUB", usb_pipein(pipe), -EINPROGRESS);
-#endif
-
/* every endpoint has a ed, locate and maybe (re)initialize it */
if (! (ed = ed_get (ohci, urb->ep, urb->dev, pipe, urb->interval)))
return -ENOMEM;
@@ -284,10 +278,6 @@ static int ohci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
unsigned long flags;
int rc;
-#ifdef OHCI_VERBOSE_DEBUG
- urb_print(urb, "UNLINK", 1, status);
-#endif
-
spin_lock_irqsave (&ohci->lock, flags);
rc = usb_hcd_check_unlink_urb(hcd, urb, status);
if (rc) {
@@ -840,7 +830,7 @@ static irqreturn_t ohci_irq (struct usb_hcd *hcd)
}
if (ints & OHCI_INTR_RHSC) {
- ohci_vdbg(ohci, "rhsc\n");
+ ohci_dbg(ohci, "rhsc\n");
ohci->next_statechange = jiffies + STATECHANGE_DELAY;
ohci_writel(ohci, OHCI_INTR_RD | OHCI_INTR_RHSC,
&regs->intrstatus);
@@ -862,7 +852,7 @@ static irqreturn_t ohci_irq (struct usb_hcd *hcd)
* this might not happen.
*/
else if (ints & OHCI_INTR_RD) {
- ohci_vdbg(ohci, "resume detect\n");
+ ohci_dbg(ohci, "resume detect\n");
ohci_writel(ohci, OHCI_INTR_RD, &regs->intrstatus);
set_bit(HCD_FLAG_POLL_RH, &hcd->flags);
if (ohci->autostop) {
@@ -1036,6 +1026,7 @@ int ohci_suspend(struct usb_hcd *hcd, bool do_wakeup)
{
struct ohci_hcd *ohci = hcd_to_ohci (hcd);
unsigned long flags;
+ int rc = 0;
/* Disable irq emission and mark HW unaccessible. Use
* the spinlock to properly synchronize with possible pending
@@ -1048,7 +1039,13 @@ int ohci_suspend(struct usb_hcd *hcd, bool do_wakeup)
clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
spin_unlock_irqrestore (&ohci->lock, flags);
- return 0;
+ synchronize_irq(hcd->irq);
+
+ if (do_wakeup && HCD_WAKEUP_PENDING(hcd)) {
+ ohci_resume(hcd, false);
+ rc = -EBUSY;
+ }
+ return rc;
}
EXPORT_SYMBOL_GPL(ohci_suspend);
@@ -1233,13 +1230,11 @@ static int __init ohci_hcd_mod_init(void)
sizeof (struct ed), sizeof (struct td));
set_bit(USB_OHCI_LOADED, &usb_hcds_loaded);
-#ifdef DEBUG
ohci_debug_root = debugfs_create_dir("ohci", usb_debug_root);
if (!ohci_debug_root) {
retval = -ENOENT;
goto error_debug;
}
-#endif
#ifdef PS3_SYSTEM_BUS_DRIVER
retval = ps3_ohci_driver_register(&PS3_SYSTEM_BUS_DRIVER);
@@ -1314,11 +1309,9 @@ static int __init ohci_hcd_mod_init(void)
ps3_ohci_driver_unregister(&PS3_SYSTEM_BUS_DRIVER);
error_ps3:
#endif
-#ifdef DEBUG
debugfs_remove(ohci_debug_root);
ohci_debug_root = NULL;
error_debug:
-#endif
clear_bit(USB_OHCI_LOADED, &usb_hcds_loaded);
return retval;
@@ -1348,9 +1341,7 @@ static void __exit ohci_hcd_mod_exit(void)
#ifdef PS3_SYSTEM_BUS_DRIVER
ps3_ohci_driver_unregister(&PS3_SYSTEM_BUS_DRIVER);
#endif
-#ifdef DEBUG
debugfs_remove(ohci_debug_root);
-#endif
clear_bit(USB_OHCI_LOADED, &usb_hcds_loaded);
}
module_exit(ohci_hcd_mod_exit);