linux-kernel - Re: [PATCH v2] usb: quirks: Add no-lpm quirk for Moshi USB to Ethernet Adapter

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Date:   Tue, 8 Aug 2017 17:10:51 +0800
From:   Kai-Heng Feng <kai.heng.feng@...onical.com>
To:     Oliver Neukum <oneukum@...e.com>
Cc:     gregkh@...uxfoundation.org, Alan Stern <stern@...land.harvard.edu>,
        LKML <linux-kernel@...r.kernel.org>,
        USB list <linux-usb@...r.kernel.org>
Subject: Re: [PATCH v2] usb: quirks: Add no-lpm quirk for Moshi USB to
 Ethernet Adapter

On Tue, Aug 8, 2017 at 4:28 PM, Oliver Neukum <oneukum@...e.com> wrote:
> Am Dienstag, den 08.08.2017, 14:32 +0800 schrieb Kai-Heng Feng:
>> Moshi USB to Ethernet Adapter internally uses a Genesys Logic hub to
>> connect to Realtek r8153.
>>
>> The Realtek r8153 ethernet does not work on the internal hub, no-lpm quirk
>> can make it work.
>>
>> Since another r8153 dongle at my hand does not have the issue, so add
>> the quirk to the hub instead.
>
> But in the comment you say you add it to the device!
> This makes no sense.

You are right, I forgot to update the comment. My bad.

>
> [..]
>> +     /* Moshi USB to Ethernet Adapter */
>> +     { USB_DEVICE(0x05e3, 0x0616), .driver_info = USB_QUIRK_NO_LPM },
>> +
>
> Now is this a hub or a device? If this is a Genesys Logic hub,
> you need to say that clearly and state that it is an internal hub.

It's the Genesys Logic hub that being used internally.

I'll update the comment more clearly.

Thanks.

>
>         Regards
>                 Oliver
>