The PCIe bus the controller is connected to might need to be removed prior the handover. Make sure xhci-pci is also removed so as to avoid unexpected timeouts or hangs.
Signed-off-by: Nicolas Saenz Julienne nsaenzjulienne@suse.de --- drivers/usb/host/xhci-pci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 2b445f21b5..d626929953 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -61,7 +61,7 @@ U_BOOT_DRIVER(xhci_pci) = { .ops = &xhci_usb_ops, .plat_auto = sizeof(struct usb_plat), .priv_auto = sizeof(struct xhci_ctrl), - .flags = DM_FLAG_ALLOC_PRIV_DMA, + .flags = DM_FLAG_OS_PREPARE | DM_FLAG_ALLOC_PRIV_DMA, };
static struct pci_device_id xhci_pci_supported[] = {