linux-kernel - Re: [PATCH v17 1/7] usb: misc: Add onboard_usb

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Message-ID: <07781322-3632-7d63-0da8-a651a438a3ff@gmail.com>
Date:   Mon, 20 Dec 2021 23:05:28 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Matthias Kaehlcke <mka@...omium.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Alan Stern <stern@...land.harvard.edu>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Mathias Nyman <mathias.nyman@...el.com>,
        Felipe Balbi <balbi@...nel.org>
Cc:     linux-kernel@...r.kernel.org,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Peter Chen <peter.chen@...nel.org>, linux-usb@...r.kernel.org,
        devicetree@...r.kernel.org,
        Douglas Anderson <dianders@...omium.org>,
        Roger Quadros <rogerq@...nel.org>,
        Michal Simek <michal.simek@...inx.com>,
        Ravi Chandra Sadineni <ravisadineni@...omium.org>,
        Bastien Nocera <hadess@...ess.net>
Subject: Re: [PATCH v17 1/7] usb: misc: Add onboard_usb_hub driver

16.11.2021 23:07, Matthias Kaehlcke пишет:
> +static const struct usb_device_id onboard_hub_id_table[] = {
> +	{ USB_DEVICE(VENDOR_ID_REALTEK, 0x0411) }, /* RTS0411 USB 3.0 */
> +	{ USB_DEVICE(VENDOR_ID_REALTEK, 0x5411) }, /* RTS5411 USB 2.0 */
> +	{},
> +};

RTS5411 two times in the comments? Internet suggests that RTS5411 is USB 3.0

Are these hubs expected to be powered-on only when upstream port is
enabled? Shouldn't runtime PM be used for that somehow?