linux-kernel - Re: [linux-sunxi] [PATCH v2 5/5] ARM: sun8i: v40: enable USB host ports for Banana Pi M2 Berry

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Message-ID: <CAGb2v64njU6BRTA6Hq=B6U58aCJk+kDD9OUch+YdqbDN8JgeeQ@mail.gmail.com>
Date:   Thu, 19 Oct 2017 15:40:24 +0800
From:   Chen-Yu Tsai <wens@...e.org>
To:     Icenowy Zheng <icenowy@...c.io>
Cc:     Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Chen-Yu Tsai <wens@...e.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-sunxi <linux-sunxi@...glegroups.com>
Subject: Re: [linux-sunxi] [PATCH v2 5/5] ARM: sun8i: v40: enable USB host
 ports for Banana Pi M2 Berry

Hi,

On Wed, Oct 18, 2017 at 9:06 PM, Icenowy Zheng <icenowy@...c.io> wrote:
> Banana Pi M2 Berry has an on-board USB Hub that provides 4 USB Type-A
> ports, and it's connected to the USB1 port of the SoC.
>
> Enable it.

What is the USB hub chip's model? If it's a USB 2.0 hub, then you
don't need to enable the OHCI.

ChenYu