On Thu, Jul 26, 2018 at 11:52 PM, Thinh Nguyen
<Thinh.Nguyen@xxxxxxxxxxxx> wrote:
> dwc_usb31 does not support OTG mode. If the controller supports DRD but
> the dr_mode is not specified or set to OTG, then set the mode to
> peripheral.
>
> Signed-off-by: Thinh Nguyen <thinhn@xxxxxxxxxxxx>
> ---
> drivers/usb/dwc3/core.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
> index 21e4931d0cc0..64ba664d467c 100644
> --- a/drivers/usb/dwc3/core.c
> +++ b/drivers/usb/dwc3/core.c
> @@ -78,6 +78,14 @@ static int dwc3_get_dr_mode(struct dwc3 *dwc)
> mode = USB_DR_MODE_HOST;
> else if (IS_ENABLED(CONFIG_USB_DWC3_GADGET))
> mode = USB_DR_MODE_PERIPHERAL;
> +
> + /*
> + * dwc_usb31 does not support OTG mode. If the controller
> + * supports DRD but the dr_mode is not specified or set to OTG,
> + * then set the mode to peripheral.
> + */
> + if (mode == USB_DR_MODE_OTG && dwc3_is_usb31(dwc))
shouldn't be simple
else if (dwc3_is_usb31(...))
?
> + mode = USB_DR_MODE_PERIPHERAL;
> }
>
> if (mode != dwc->dr_mode) {
> --
> 2.11.0
>
> --
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--
With Best Regards,
Andy Shevchenko
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