Merge branch 'for-linus' of git://neil.brown.name/md

[karo-tx-linux.git] / drivers / usb / host / ohci-hub.c

diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c
index 65cac8cc8921254718d835860a9ad2871d13b823..cddcda95b57930f40698e3d2752226b85b6fbd4b 100644 (file)
--- a/drivers/usb/host/ohci-hub.c
+++ b/drivers/usb/host/ohci-hub.c
@@ -284,7 +284,7 @@ static int ohci_bus_suspend (struct usb_hcd *hcd)
 
        spin_lock_irq (&ohci->lock);
 
-       if (unlikely(!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)))
+       if (unlikely(!HCD_HW_ACCESSIBLE(hcd)))
                rc = -ESHUTDOWN;
        else
                rc = ohci_rh_suspend (ohci, 0);
@@ -302,7 +302,7 @@ static int ohci_bus_resume (struct usb_hcd *hcd)
 
        spin_lock_irq (&ohci->lock);
 
-       if (unlikely(!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)))
+       if (unlikely(!HCD_HW_ACCESSIBLE(hcd)))
                rc = -ESHUTDOWN;
        else
                rc = ohci_rh_resume (ohci);
@@ -355,6 +355,11 @@ static void ohci_finish_controller_resume(struct usb_hcd *hcd)
                ohci_readl(ohci, &ohci->regs->intrenable);
                msleep(20);
        }
+
+       /* Does the root hub have a port wakeup pending? */
+       if (ohci_readl(ohci, &ohci->regs->intrstatus) &
+                       (OHCI_INTR_RD | OHCI_INTR_RHSC))
+               usb_hcd_resume_root_hub(hcd);
 }
 
 /* Carry out polling-, autostop-, and autoresume-related state changes */
@@ -364,7 +369,7 @@ static int ohci_root_hub_state_changes(struct ohci_hcd *ohci, int changed,
        int     poll_rh = 1;
        int     rhsc_enable;
 
-       /* Some broken controllers never turn off RHCS in the interrupt
+       /* Some broken controllers never turn off RHSC in the interrupt
         * status register.  For their sake we won't re-enable RHSC
         * interrupts if the interrupt bit is already active.
         */
@@ -489,7 +494,7 @@ ohci_hub_status_data (struct usb_hcd *hcd, char *buf)
        unsigned long   flags;
 
        spin_lock_irqsave (&ohci->lock, flags);
-       if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags))
+       if (!HCD_HW_ACCESSIBLE(hcd))
                goto done;
 
        /* undocumented erratum seen on at least rev D */
@@ -533,8 +538,12 @@ ohci_hub_status_data (struct usb_hcd *hcd, char *buf)
                }
        }
 
-       hcd->poll_rh = ohci_root_hub_state_changes(ohci, changed,
-                       any_connected, rhsc_status);
+       if (ohci_root_hub_state_changes(ohci, changed,
+                       any_connected, rhsc_status))
+               set_bit(HCD_FLAG_POLL_RH, &hcd->flags);
+       else
+               clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);
+
 
 done:
        spin_unlock_irqrestore (&ohci->lock, flags);
@@ -701,7 +710,7 @@ static int ohci_hub_control (
        u32             temp;
        int             retval = 0;
 
-       if (unlikely(!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)))
+       if (unlikely(!HCD_HW_ACCESSIBLE(hcd)))
                return -ESHUTDOWN;
 
        switch (typeReq) {