From 4736ebd7fcaff1eb8481c140ba494962847d6e0a Mon Sep 17 00:00:00 2001
From: Heiner Kallweit <hkallweit1@gmail.com>
Date: Thu, 12 May 2022 01:04:46 +0300
Subject: [PATCH] usb: host: xhci-plat: omit shared hcd if either root hub has
no ports
Git-commit: 4736ebd7fcaff1eb8481c140ba494962847d6e0a
References: jsc#PED-531
Patch-mainline: v5.19-rc1
Activate the just added extension for xhci-plat and omit the shared
hcd if either of the root hubs has no ports.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20220511220450.85367-6-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Oliver Neukum <oneukum@suse.com>
---
drivers/usb/host/xhci-plat.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index c512ec2148ae..044855818cb1 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -245,6 +245,8 @@ static int xhci_plat_probe(struct platform_device *pdev)
xhci = hcd_to_xhci(hcd);
+ xhci->allow_single_roothub = 1;
+
/*
* Not all platforms have clks so it is not an error if the
* clock do not exist.
--
2.35.3