On Thu, 1 Feb 2018, Peter Chen wrote:
> commit a8c06e407ef9 ("usb: separate out sysdev pointer from usb_bus")
> converted to use hcd->self.sysdev for DMA operations instead of
> hcd->self.controller, but forgot to do it for hcd test mode. Replace
> the correct one in this commit.
>
> Fixes: a8c06e407ef9 ("usb: separate out sysdev pointer from usb_bus")
> Signed-off-by: Peter Chen <peter.chen@xxxxxxx>
> ---
> drivers/usb/host/ehci-hub.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
> index facafdf..d7641cb 100644
> --- a/drivers/usb/host/ehci-hub.c
> +++ b/drivers/usb/host/ehci-hub.c
> @@ -774,12 +774,12 @@ static struct urb *request_single_step_set_feature_urb(
> atomic_inc(&urb->use_count);
> atomic_inc(&urb->dev->urbnum);
> urb->setup_dma = dma_map_single(
> - hcd->self.controller,
> + hcd->self.sysdev,
> urb->setup_packet,
> sizeof(struct usb_ctrlrequest),
> DMA_TO_DEVICE);
> urb->transfer_dma = dma_map_single(
> - hcd->self.controller,
> + hcd->self.sysdev,
> urb->transfer_buffer,
> urb->transfer_buffer_length,
> DMA_FROM_DEVICE);
Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
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