From 93915a4170e9defd56a767a18e6c4076f3d18609 Mon Sep 17 00:00:00 2001
From: Ricardo Ribalda <ribalda@chromium.org>
Date: Mon, 16 Jan 2023 16:22:10 +0200
Subject: [PATCH] xhci-pci: set the dma max_seg_size
Git-commit: 93915a4170e9defd56a767a18e6c4076f3d18609
References: git-fixes
Patch-mainline: v6.2-rc5
Allow devices to have dma operations beyond 64K, and avoid warnings such
as:
xhci_hcd 0000:00:14.0: mapping sg segment longer than device claims to support [len=98304] [max=65536]
Cc: stable@vger.kernel.org
Cc: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20230116142216.1141605-2-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-pci.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -372,6 +372,8 @@ static int xhci_pci_probe(struct pci_dev
/* USB-2 and USB-3 roothubs initialized, allow runtime pm suspend */
pm_runtime_put_noidle(&dev->dev);
+ dma_set_max_seg_size(&dev->dev, UINT_MAX);
+
return 0;
put_usb3_hcd: