From: Ricardo Ribalda ribalda@chromium.org
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 --- 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 79d679b3e076..2c0d7038f040 100644 --- 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: