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Message-ID: <20230614211945.frpzl56uasb3qnwp@skbuf>
Date:   Thu, 15 Jun 2023 00:19:45 +0300
From:   Vladimir Oltean <olteanv@...il.com>
To:     Arınç ÜNAL <arinc.unal@...nc9.com>
Cc:     Daniel Golle <daniel@...rotopia.org>,
        Landen Chao <Landen.Chao@...iatek.com>,
        DENG Qingfang <dqfext@...il.com>,
        Sean Wang <sean.wang@...iatek.com>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Russell King <linux@...linux.org.uk>,
        Frank Wunderlich <frank-w@...lic-files.de>,
        Bartel Eerdekens <bartel.eerdekens@...stell8.be>,
        mithat.guner@...ont.com, erkin.bozoglu@...ont.com,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH net v4 3/7] net: dsa: mt7530: fix trapping frames on
 non-MT7621 SoC MT7530 switch

On Wed, Jun 14, 2023 at 11:59:33PM +0300, Arınç ÜNAL wrote:
> On 14.06.2023 23:13, Vladimir Oltean wrote:
> > On Mon, Jun 12, 2023 at 10:59:41AM +0300, arinc9.unal@...il.com wrote:
> > > From: Arınç ÜNAL <arinc.unal@...nc9.com>
> > > 
> > > The check for setting the CPU_PORT bits must include the non-MT7621 SoC
> > > MT7530 switch variants to trap frames. Expand the check to include them.
> > > 
> > > Fixes: b8f126a8d543 ("net-next: dsa: add dsa support for Mediatek MT7530 switch")
> > > Signed-off-by: Arınç ÜNAL <arinc.unal@...nc9.com>
> > > ---
> > >   drivers/net/dsa/mt7530.c | 2 +-
> > >   1 file changed, 1 insertion(+), 1 deletion(-)
> > > 
> > > diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
> > > index ef8879087932..2bde2fdb5fba 100644
> > > --- a/drivers/net/dsa/mt7530.c
> > > +++ b/drivers/net/dsa/mt7530.c
> > > @@ -3073,7 +3073,7 @@ mt753x_master_state_change(struct dsa_switch *ds,
> > >   	 * the numerically smallest CPU port which is affine to the DSA conduit
> > >   	 * interface that is up.
> > >   	 */
> > > -	if (priv->id != ID_MT7621)
> > > +	if (priv->id != ID_MT7530 && priv->id != ID_MT7621)
> > >   		return;
> > 
> > This patch and 2/7 should probably be reversed, since 2/7 is not going to net.
> 
> This patch is still necessary. It'll just modify the other location instead
> of here.
> 
> https://github.com/arinc9/linux/commit/4c8b983f7a95ba637799ccd1b700ee054b030729
> 
> Arınç

That's basically what I said, sorry if I wasn't clear.

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