diff options
Diffstat (limited to 'drivers/usb/core/hcd.c')
| -rw-r--r-- | drivers/usb/core/hcd.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index b2da4753b12e..1609623ec829 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -1239,7 +1239,8 @@ static int map_urb_for_dma(struct usb_hcd *hcd, struct urb *urb, /* Map the URB's buffers for DMA access. * Lower level HCD code should use *_dma exclusively, - * unless it uses pio or talks to another transport. + * unless it uses pio or talks to another transport, + * or uses the provided scatter gather list for bulk. */ if (is_root_hub(urb->dev)) return 0; |