diff options
Diffstat (limited to 'drivers/usb/host/ehci-hub.c')
| -rw-r--r-- | drivers/usb/host/ehci-hub.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index 88cb4ada686e..69b0b9be7a64 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -59,7 +59,7 @@ static int ehci_bus_suspend (struct usb_hcd *hcd) if ((t1 & PORT_PE) && !(t1 & PORT_OWNER)) t2 |= PORT_SUSPEND; - if (hcd->remote_wakeup) + if (device_may_wakeup(&hcd->self.root_hub->dev)) t2 |= PORT_WKOC_E|PORT_WKDISC_E|PORT_WKCONN_E; else t2 &= ~(PORT_WKOC_E|PORT_WKDISC_E|PORT_WKCONN_E); @@ -94,6 +94,13 @@ static int ehci_bus_resume (struct usb_hcd *hcd) msleep(5); spin_lock_irq (&ehci->lock); + /* Ideally and we've got a real resume here, and no port's power + * was lost. (For PCI, that means Vaux was maintained.) But we + * could instead be restoring a swsusp snapshot -- so that BIOS was + * the last user of the controller, not reset/pm hardware keeping + * state we gave to it. + */ + /* re-init operational registers in case we lost power */ if (readl (&ehci->regs->intr_enable) == 0) { /* at least some APM implementations will try to deliver @@ -510,7 +517,7 @@ static int ehci_hub_control ( if ((temp & PORT_PE) == 0 || (temp & PORT_RESET) != 0) goto error; - if (hcd->remote_wakeup) + if (device_may_wakeup(&hcd->self.root_hub->dev)) temp |= PORT_WAKE_BITS; writel (temp | PORT_SUSPEND, &ehci->regs->port_status [wIndex]); |