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-rw-r--r--drivers/usb/host/ehci-hub.c4
-rw-r--r--drivers/usb/host/ohci-hub.c7
-rw-r--r--drivers/usb/host/uhci-hcd.c7
-rw-r--r--drivers/usb/host/uhci-hub.c2
4 files changed, 15 insertions, 5 deletions
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index 1292a5b..796ea0c 100644
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -166,6 +166,10 @@ static void ehci_adjust_port_wakeup_flags(struct ehci_hcd *ehci,
ehci_writel(ehci, temp | HOSTPC_PHCD, hostpc_reg);
}
}
+
+ /* Does the root hub have a port wakeup pending? */
+ if (!suspending && (ehci_readl(ehci, &ehci->regs->status) & STS_PCD))
+ usb_hcd_resume_root_hub(ehci_to_hcd(ehci));
}
static int ehci_bus_suspend (struct usb_hcd *hcd)
diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c
index 4dd3902..cddcda9 100644
--- a/drivers/usb/host/ohci-hub.c
+++ b/drivers/usb/host/ohci-hub.c
@@ -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.
*/
diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c
index a7850f5..9d4d812 100644
--- a/drivers/usb/host/uhci-hcd.c
+++ b/drivers/usb/host/uhci-hcd.c
@@ -862,10 +862,11 @@ static int uhci_pci_resume(struct usb_hcd *hcd, bool hibernated)
/* If interrupts don't work and remote wakeup is enabled then
* the suspended root hub needs to be polled.
*/
- if (!uhci->RD_enable && hcd->self.root_hub->do_remote_wakeup) {
+ if (!uhci->RD_enable && hcd->self.root_hub->do_remote_wakeup)
set_bit(HCD_FLAG_POLL_RH, &hcd->flags);
- usb_hcd_poll_rh_status(hcd);
- }
+
+ /* Does the root hub have a port wakeup pending? */
+ usb_hcd_poll_rh_status(hcd);
return 0;
}
#endif
diff --git a/drivers/usb/host/uhci-hub.c b/drivers/usb/host/uhci-hub.c
index f0c5811..6d59c0f 100644
--- a/drivers/usb/host/uhci-hub.c
+++ b/drivers/usb/host/uhci-hub.c
@@ -200,7 +200,7 @@ static int uhci_hub_status_data(struct usb_hcd *hcd, char *buf)
case UHCI_RH_SUSPENDING:
case UHCI_RH_SUSPENDED:
/* if port change, ask to be resumed */
- if (status)
+ if (status || uhci->resuming_ports)
usb_hcd_resume_root_hub(hcd);
break;