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Commit 5b13ffee authored by Ricardo Ribalda's avatar Ricardo Ribalda Committed by Greg Kroah-Hartman
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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: default avatarRicardo Ribalda <ribalda@chromium.org>
Signed-off-by: default avatarMathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20230116142216.1141605-2-mathias.nyman@linux.intel.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent d9fde9ea

drivers/usb/host/xhci-pci.c

+2 −0
Original line number Diff line number Diff line
@@ -378,6 +378,8 @@ static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) 
	/* 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: