Received-SPF: pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
MIME-Version: 1.0
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> <e4f2fe2b-52a2-7b39-6758-decf22d82eb6@lwfinger.net>
In-Reply-To: <e4f2fe2b-52a2-7b39-6758-decf22d82eb6@lwfinger.net>
From:   Kai-Heng Feng <kai.heng.feng@canonical.com>
Date:   Tue, 2 Feb 2021 15:36:09 +0800
Message-ID: <CAAd53p5p=Bz-VKLxbajhZ2VeHs1Dczcqc1hgPZtNsMb-Fy6J3w@mail.gmail.com>
Subject: Re: [PATCH] rtw88: 8821c: Add RFE 2 support
To:     Larry Finger <Larry.Finger@lwfinger.net>
Cc:     Kalle Valo <kvalo@codeaurora.org>,
        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>
Content-Type: text/plain; charset="UTF-8"
Precedence: bulk

On Tue, Feb 2, 2021 at 3:02 PM Larry Finger <Larry.Finger@lwfinger.net> wrote:
>
> 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.

Thanks. RFE2 works with the new firmware.

Kai-Heng

>
> Larry
>