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
Patch-mainline: v6.2-rc5
References: git-fixes
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>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/usb/host/xhci-pci.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 79d679b3e076..2c0d7038f040 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -455,6 +455,8 @@ static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
if (xhci->quirks & XHCI_DEFAULT_PM_RUNTIME_ALLOW)
pm_runtime_allow(&dev->dev);
+ dma_set_max_seg_size(&dev->dev, UINT_MAX);
+
return 0;
put_usb3_hcd:
--
2.35.3