Re: [PATCH] usb: dwc3: turn off VBUS when leaving host mode

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Hi,

Bin Liu <b-liu@xxxxxx> writes:

> VBUS should be turned off when leaving the host mode.
> Set GCTL_PRTCAP to device mode in teardown to de-assert DRVVBUS pin to
> turn off VBUS power.
>
> Fixes: 5f94adfeed97 ("usb: dwc3: core: refactor mode initialization to its own function")
> Signed-off-by: Bin Liu <b-liu@xxxxxx>
> ---
>  drivers/usb/dwc3/core.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
> index 97d6ae3c4df2..76ac9cd54e64 100644
> --- a/drivers/usb/dwc3/core.c
> +++ b/drivers/usb/dwc3/core.c
> @@ -1201,6 +1201,7 @@ static void dwc3_core_exit_mode(struct dwc3 *dwc)
>  		break;
>  	case USB_DR_MODE_HOST:
>  		dwc3_host_exit(dwc);
> +		dwc3_set_prtcap(dwc, DWC3_GCTL_PRTCAP_DEVICE);

seems like this should be done as part of dwc3_host_exit()

-- 
balbi

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