diff options
Diffstat (limited to 'drivers/usb/host/xhci.c')
| -rw-r--r-- | drivers/usb/host/xhci.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 7fe6f664054f..6598f7ee7938 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -3709,12 +3709,13 @@ disable_slot: } /* - * Issue an Address Device command (which will issue a SetAddress request to - * the device). + * Issue an Address Device command and optionally send a corresponding + * SetAddress request to the device. * We should be protected by the usb_address0_mutex in khubd's hub_port_init, so * we should only issue and wait on one address command at the same time. */ -int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev) +static int xhci_setup_device(struct usb_hcd *hcd, struct usb_device *udev, + enum xhci_setup_dev setup) { unsigned long flags; int timeleft; @@ -3773,7 +3774,7 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev) spin_lock_irqsave(&xhci->lock, flags); cmd_trb = xhci_find_next_enqueue(xhci->cmd_ring); ret = xhci_queue_address_device(xhci, virt_dev->in_ctx->dma, - udev->slot_id); + udev->slot_id, setup); if (ret) { spin_unlock_irqrestore(&xhci->lock, flags); xhci_dbg_trace(xhci, trace_xhci_dbg_address, @@ -3868,6 +3869,16 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev) return 0; } +int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev) +{ + return xhci_setup_device(hcd, udev, SETUP_CONTEXT_ADDRESS); +} + +int xhci_enable_device(struct usb_hcd *hcd, struct usb_device *udev) +{ + return xhci_setup_device(hcd, udev, SETUP_CONTEXT_ONLY); +} + /* * Transfer the port index into real index in the HW port status * registers. Caculate offset between the port's PORTSC register |