Re: [PATCH] usb: dwc3: qcom: enable vbus override when in OTG dr-mode

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On Mon, Jan 23, 2023 at 10:01:25AM +0100, Neil Armstrong wrote:
> With vbus override enabled when in OTG dr_mode, Host<->Peripheral
> switch now works on SM8550, otherwise the DWC3 seems to be stuck
> in Host mode only.
> 
> Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
> ---
>  drivers/usb/dwc3/dwc3-qcom.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c
> index b0a0351d2d8b..959fc925ca7c 100644
> --- a/drivers/usb/dwc3/dwc3-qcom.c
> +++ b/drivers/usb/dwc3/dwc3-qcom.c
> @@ -901,7 +901,7 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
>  	qcom->mode = usb_get_dr_mode(&qcom->dwc3->dev);
>  
>  	/* enable vbus override for device mode */
> -	if (qcom->mode == USB_DR_MODE_PERIPHERAL)
> +	if (qcom->mode != USB_DR_MODE_HOST)
>  		dwc3_qcom_vbus_override_enable(qcom, true);
>  
>  	/* register extcon to override sw_vbus on Vbus change later */
> 
> ---

What commit does this fix?  Should it go to stable kernels?

thanks,

greg k-h



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