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Sender: Larry Finger <larry.finger@gmail.com>
Subject: Re: [PATCH] rtw88: 8821c: Add RFE 2 support
To:     Kalle Valo <kvalo@codeaurora.org>,
        Kai-Heng Feng <kai.heng.feng@canonical.com>
Cc:     Tony Chuang <yhchuang@realtek.com>,
        "David S. Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>,
        "open list:REALTEK WIRELESS DRIVER (rtw88)" 
        <linux-wireless@vger.kernel.org>,
        "open list:NETWORKING DRIVERS" <netdev@vger.kernel.org>,
        open list <linux-kernel@vger.kernel.org>,
        Andy Huang <tehuang@realtek.com>
References: <20200805084559.30092-1-kai.heng.feng@canonical.com>
 <c0c336d806584361992d4b52665fbb82@realtek.com>
 <9330BBA5-158B-49F1-8B7C-C2733F358AC1@canonical.com>
 <CAAd53p6SA5gG8V27eD1Kh1ik932Kt8KzmYjLy33pOkw=QPKgpA@mail.gmail.com>
 <871rdz7zjf.fsf@codeaurora.org>
From:   Larry Finger <Larry.Finger@lwfinger.net>
Message-ID: <e4f2fe2b-52a2-7b39-6758-decf22d82eb6@lwfinger.net>
Date:   Tue, 2 Feb 2021 01:02:13 -0600
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On 2/2/21 12:29 AM, Kalle Valo wrote:
> Kai-Heng Feng <kai.heng.feng@canonical.com> writes:
> 
>> On Wed, Aug 5, 2020 at 7:24 PM Kai-Heng Feng
>> <kai.heng.feng@canonical.com> wrote:
>>>
>>> Hi Tony,
>>>
>>>> On Aug 5, 2020, at 19:18, Tony Chuang <yhchuang@realtek.com> wrote:
>>>>
>>>>> 8821CE with RFE 2 isn't supported:
>>>>> [   12.404834] rtw_8821ce 0000:02:00.0: rfe 2 isn't supported
>>>>> [   12.404937] rtw_8821ce 0000:02:00.0: failed to setup chip efuse info
>>>>> [   12.404939] rtw_8821ce 0000:02:00.0: failed to setup chip information
>>>>>
>>>>
>>>> NACK
>>>>
>>>> The RFE type 2 should be working with some additional fixes.
>>>> Did you tested connecting to AP with BT paired?
>>>
>>> No, I only tested WiFi.
>>>
>>>> The antenna configuration is different with RFE type 0.
>>>> I will ask someone else to fix them.
>>>> Then the RFE type 2 modules can be supported.
>>>
>>> Good to know that, I'll be patient and wait for a real fix.
>>
>> It's been quite some time, is support for RFE type 2 ready now?
> 
> It looks like this patch should add it:
> 
> https://patchwork.kernel.org/project/linux-wireless/patch/20210202055012.8296-4-pkshih@realtek.com/
> 
New firmware (rtw8821c_fw.bin) is also needed. That is available at 
https://github.com/lwfinger/rtw88.git.

Larry