Commit 643f7da7 authored Jan 16, 2023 by Ricardo Ribalda Committed by Greg Kroah-Hartman Jan 24, 2023

xhci-pci: set the dma max_seg_size



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>

parent 890792b5

drivers/usb/host/xhci-pci.c

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -427,6 +427,8 @@ static int xhci_pci_probe(struct pci_dev dev, const struct pci_device_id id)
	if (xhci->quirks & XHCI_DEFAULT_PM_RUNTIME_ALLOW)		if (xhci->quirks & XHCI_DEFAULT_PM_RUNTIME_ALLOW)
	pm_runtime_allow(&dev->dev);		pm_runtime_allow(&dev->dev);

			dma_set_max_seg_size(&dev->dev, UINT_MAX);

	return 0;		return 0;

	put_usb3_hcd:		put_usb3_hcd: