On Mon, Oct 10, 2022 at 12:08:08AM +0800, Xu Yang wrote:
> The controller's power may be powered off during system suspend. This
> will add suspend/resume support when the controller suffers power lost.
>
> Signed-off-by: Xu Yang <xu.yang_2@xxxxxxx>
> ---
> drivers/usb/chipidea/host.c | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c
> index bc3634a54c6b..dc033272c31e 100644
> --- a/drivers/usb/chipidea/host.c
> +++ b/drivers/usb/chipidea/host.c
> @@ -459,6 +459,16 @@ static void ci_hdrc_unmap_urb_for_dma(struct usb_hcd *hcd, struct urb *urb)
> ci_hdrc_free_dma_aligned_buffer(urb);
> }
>
> +static void ci_hdrc_host_suspend(struct ci_hdrc *ci)
> +{
> + ehci_suspend(ci->hcd, device_may_wakeup(ci->dev));
Why is the chipidea driver somehow now tied to the ehci driver?
Are you sure you want this? Why? Is hcd always a ehci device?
thanks,
greg k-h
