diff options
Diffstat (limited to 'drivers/usb/host/xhci.c')
| -rw-r--r-- | drivers/usb/host/xhci.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 55f51ca951..27fca63f96 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -1359,7 +1359,11 @@ int xhci_register(struct xhci_ctrl *ctrl) */ host->no_desc_before_addr = true; - host->hw_dev = dev; + /* + * If xHCI doesn't have its own DT node, it'll be a child of a + * physical USB host controller device that should be used for DMA + */ + host->hw_dev = dev_of_node(dev) ? dev : dev->parent; host->submit_int_msg = xhci_submit_int_msg; host->submit_control_msg = xhci_submit_control_msg; host->submit_bulk_msg = xhci_submit_bulk_msg; |