Re: [PATCH] usb: musb: Disable pullup in gadget setup

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On Thu, Apr 04, 2019 at 11:37:43AM +0200, Paul Cercueil wrote:
> The pullup may be already enabled before the driver is initialized.
> It has to be disabled at init time, as we cannot guarantee that a gadget
> driver will be bound to the UDC.
> 
> Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
> ---
>  drivers/usb/musb/musb_gadget.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
> index ffe462a657b1..094dc59c834c 100644
> --- a/drivers/usb/musb/musb_gadget.c
> +++ b/drivers/usb/musb/musb_gadget.c
> @@ -1794,6 +1794,7 @@ int musb_gadget_setup(struct musb *musb)
>  
>  	musb->is_active = 0;
>  	musb_platform_try_idle(musb, 0);
> +	musb_pullup(musb, 0);
>  
>  	status = usb_add_gadget_udc(musb->controller, &musb->g);
>  	if (status)

Applied.

Thanks,
-Bin.



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