netdev - Re: [PATCH 5.10 v2 1/3] commit 5d6651fe8583 ("rtw88: 8821c: support RFE type2 wifi NIC")

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Message-ID: <Yr2Iwn53KqdSSU6V@kroah.com>
Date:   Thu, 30 Jun 2022 13:28:02 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Meng Tang <tangmeng@...ontech.com>
Cc:     stable@...r.kernel.org, tony0620emma@...il.com,
        kvalo@...eaurora.org, davem@...emloft.net, kuba@...nel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Guo-Feng Fan <vincent_fann@...ltek.com>,
        Ping-Ke Shih <pkshih@...ltek.com>,
        Kai-Heng Feng <kai.heng.feng@...onical.com>
Subject: Re: [PATCH 5.10 v2 1/3] commit 5d6651fe8583 ("rtw88: 8821c: support
 RFE type2 wifi NIC")

On Tue, Jun 28, 2022 at 09:43:49PM +0800, Meng Tang wrote:
> From: Guo-Feng Fan <vincent_fann@...ltek.com>
> 
> RFE type2 is a new NIC which has one RF antenna shares with BT.
> Update phy parameter to verstion V57 to allow initial procedure
> to load extra AGC table for sharing antenna NIC.
> 
> Signed-off-by: Guo-Feng Fan <vincent_fann@...ltek.com>
> Signed-off-by: Ping-Ke Shih <pkshih@...ltek.com>
> Tested-by: Kai-Heng Feng <kai.heng.feng@...onical.com>
> Signed-off-by: Kalle Valo <kvalo@...eaurora.org>
> Link: https://lore.kernel.org/r/20210202055012.8296-4-pkshih@realtek.com
> Signed-off-by: Meng Tang <tangmeng@...ontech.com>
> ---
>  drivers/net/wireless/realtek/rtw88/main.c     |   2 +
>  drivers/net/wireless/realtek/rtw88/main.h     |   7 +
>  drivers/net/wireless/realtek/rtw88/rtw8821c.c |  47 +++
>  drivers/net/wireless/realtek/rtw88/rtw8821c.h |  14 +
>  .../wireless/realtek/rtw88/rtw8821c_table.c   | 397 ++++++++++++++++++
>  .../wireless/realtek/rtw88/rtw8821c_table.h   |   1 +
>  6 files changed, 468 insertions(+)

How does this meet the stable kernel rules?

This looks like new hardware support to me, right?  What bugfix does
this resolve for 5.10 kernels?

And for newer support, why can you not just move to 5.15?

confused,

greg k-h