[PATCH] usb: dwc3-meson-g12a: always configure dr-mode

[Neil Armstrong]

Hi,

On 14/12/2020 12:34, Marek Szyprowski wrote:
> dwc3_meson_g12a_force_mode() sets the dr-mode of the USB PHY. However
> it skips setting the mode if it matches the one done during driver probe
> (stored in private structure). This fails if the mode has been changed
> to other value and then back to initial one. Fix this by configuring the
> dr-mode always, regadless of the one set at the driver probe).
> 
> This fixes operation of USB gadget based drivers when they are initialized
> for the second time.
> 
> Signed-off-by: Marek Szyprowski <m.szyprowski at samsung.com>
> ---
>  drivers/usb/dwc3/dwc3-meson-g12a.c | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/drivers/usb/dwc3/dwc3-meson-g12a.c b/drivers/usb/dwc3/dwc3-meson-g12a.c
> index 6567502cdd1..6f0bac2a00c 100644
> --- a/drivers/usb/dwc3/dwc3-meson-g12a.c
> +++ b/drivers/usb/dwc3/dwc3-meson-g12a.c
> @@ -269,9 +269,6 @@ int dwc3_meson_g12a_force_mode(struct udevice *dev, enum usb_dr_mode mode)
>  	if (!priv->phys[USB2_OTG_PHY].dev)
>  		return -EINVAL;
>  
> -	if (mode == priv->otg_mode)
> -		return 0;
> -
>  	if (mode == USB_DR_MODE_HOST)
>  		debug("%s: switching to Host Mode\n", __func__);
>  	else
> 

Thanks,

Acked-by: Neil Armstrong <narmstrong at baylibre.com>

Applied to u-boot-amlogic

Neil