File 0027-usb-xhci-pci-Add-DM_FLAG_OS_PREPARE.patch of Package u-boot.21685

From f68c0ae8f376c8faa48cb88447b96da148ea20da Mon Sep 17 00:00:00 2001
From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Date: Thu, 14 Jan 2021 16:49:00 +0100
Subject: [PATCH] usb: xhci-pci: Add DM_FLAG_OS_PREPARE flag

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 9fb6d2f763..19f8fb4458 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,
 	.platdata_auto_alloc_size = sizeof(struct usb_platdata),
 	.priv_auto_alloc_size = 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[] = {