spin_unlock_irq (&hcd_root_hub_lock);
/* Did the HC die before the root hub was registered? */
- if (HCD_DEAD(hcd) || hcd->state == HC_STATE_HALT)
+ if (HCD_DEAD(hcd))
usb_hc_died (hcd); /* This time clean up */
}
ret = -EAGAIN;
else
urb->transfer_flags |= URB_DMA_MAP_SG;
- if (n != urb->num_sgs) {
- urb->num_sgs = n;
+ urb->num_mapped_sgs = n;
+ if (n != urb->num_sgs)
urb->transfer_flags |=
URB_DMA_SG_COMBINED;
- }
} else if (urb->sg) {
struct scatterlist *sg = urb->sg;
urb->transfer_dma = dma_map_page(
/* pass ownership to the completion handler */
urb->status = status;
- urb->complete (urb);
atomic_dec (&urb->use_count);
+ urb->complete (urb);
if (unlikely(atomic_read(&urb->reject)))
wake_up (&usb_kill_urb_queue);
usb_put_urb (urb);
struct usb_interface *iface = usb_ifnum_to_if(udev,
cur_alt->desc.bInterfaceNumber);
+ if (!iface)
+ return -EINVAL;
if (iface->resetting_device) {
/*
* The USB core just reset the device, so the xHCI host
}
if (!hcd->driver->bus_suspend) {
+ printk("%s,error,everest\n",__func__);
status = -ENOENT;
} else {
clear_bit(HCD_FLAG_RH_RUNNING, &hcd->flags);
set_bit(HCD_FLAG_SAW_IRQ, &hcd->flags);
if (hcd->shared_hcd)
set_bit(HCD_FLAG_SAW_IRQ, &hcd->shared_hcd->flags);
-
- if (unlikely(hcd->state == HC_STATE_HALT))
- usb_hc_died(hcd);
rc = IRQ_HANDLED;
}
rhdev->speed = USB_SPEED_SUPER;
break;
default:
+ retval = -EINVAL;
goto err_set_rh_speed;
}
&& device_can_wakeup(&hcd->self.root_hub->dev))
dev_dbg(hcd->self.controller, "supports USB remote wakeup\n");
- /* enable irqs just before we start the controller */
- if (usb_hcd_is_primary_hcd(hcd)) {
+ /* enable irqs just before we start the controller,
+ * if the BIOS provides legacy PCI irqs.
+ */
+ if (usb_hcd_is_primary_hcd(hcd) && irqnum) {
retval = usb_hcd_request_irqs(hcd, irqnum, irqflags);
if (retval)
goto err_request_irq;