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xhci-pci: set the dma max_seg_size
author
Ricardo Ribalda
<ribalda@chromium.org>
Mon, 16 Jan 2023 14:22:10 +0000
(16:22 +0200)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Tue, 24 Jan 2023 06:24:34 +0000
(07:24 +0100)
commit
93915a4170e9defd56a767a18e6c4076f3d18609
upstream.
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>
drivers/usb/host/xhci-pci.c
patch
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blob
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diff --git
a/drivers/usb/host/xhci-pci.c
b/drivers/usb/host/xhci-pci.c
index
f98cf30
..
0d9cf96
100644
(file)
--- 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: