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: Takashi Iwai <tiwai@xxxxxxx> Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx> --- To: Mathias Nyman <mathias.nyman@xxxxxxxxx> To: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Cc: linux-usb@xxxxxxxxxxxxxxx Cc: linux-kernel@xxxxxxxxxxxxxxx --- 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 7bccbe50bab1..116a2f328772 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -453,6 +453,8 @@ 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: --- base-commit: 0ec5a38bf8499f403f81cb81a0e3a60887d1993c change-id: 20221213-xhci-max_seg_size-de366fbf12bc Best regards, -- Ricardo Ribalda <ribalda@xxxxxxxxxxxx>
