[PATCH v4 1/2] phy-sun4i-usb: Add full support for usb0 phy / OTG

Maxime Ripard maxime.ripard at free-electrons.com
Mon Jun 1 02:22:49 PDT 2015

On Sun, May 31, 2015 at 06:10:25PM +0200, Hans de Goede wrote:
> +	/* We either want both gpio pins or neither (when in host mode) */
> +	if (!data->id_det_gpio != !data->vbus_det_gpio) {
> +		dev_err(dev, "failed to get id or vbus detect pin\n");
> +		return -ENODEV;
> +	}

The fact that the driver expects both to be set if one is should be in
the binding documentation.


Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
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