linux-kernel - Re: [PATCH] mt76: mt7615: do not advertise 5 GHz on first phy of MT7615D (DBDC)

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Message-ID: <20230721073701.38f8479c@kernel.org>
Date:   Fri, 21 Jul 2023 07:37:01 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Felix Fietkau <nbd@....name>
Cc:     Paul Fertser <fercerpav@...il.com>, linux-wireless@...r.kernel.org,
        Lorenzo Bianconi <lorenzo@...nel.org>,
        Ryder Lee <ryder.lee@...iatek.com>,
        Shayne Chen <shayne.chen@...iatek.com>,
        Sean Wang <sean.wang@...iatek.com>,
        Kalle Valo <kvalo@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, Rani Hod <rani.hod@...il.com>,
        stable@...r.kernel.org
Subject: Re: [PATCH] mt76: mt7615: do not advertise 5 GHz on first phy of
 MT7615D (DBDC)

On Fri, 21 Jul 2023 10:03:49 +0200 Felix Fietkau wrote:
> On 05.06.23 09:34, Paul Fertser wrote:
> > On DBDC devices the first (internal) phy is only capable of using
> > 2.4 GHz band, and the 5 GHz band is exposed via a separate phy object,
> > so avoid the false advertising.
> > 
> > Reported-by: Rani Hod <rani.hod@...il.com>
> > Closes: https://github.com/openwrt/openwrt/pull/12361
> > Fixes: 7660a1bd0c22 ("mt76: mt7615: register ext_phy if DBDC is detected")
> > Cc: stable@...r.kernel.org
> > Signed-off-by: Paul Fertser <fercerpav@...il.com>  
> Acked-by: Felix Fietkau <nbd@....name>
> 
> Jakub, could you please pick this one up for 6.5?

Kalle reported that he's back to wireless duties a few hours after you
posted so just to avoid any confusion - I'll leave this one to Kalle
unless told otherwise.