From: Ricardo Ribalda ribalda@chromium.org
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... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/usb/host/xhci-pci.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -427,6 +427,8 @@ static int xhci_pci_probe(struct pci_dev 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: