linux-kernel - Re: [PATCH net-next 19/30] net: dsa: mt7530: set interrupt register only for MT7530

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Date:   Sun, 4 Jun 2023 10:18:20 +0300
From:   Arınç ÜNAL <arinc.unal@...nc9.com>
To:     Vladimir Oltean <olteanv@...il.com>
Cc:     Sean Wang <sean.wang@...iatek.com>,
        Landen Chao <Landen.Chao@...iatek.com>,
        DENG Qingfang <dqfext@...il.com>,
        Daniel Golle <daniel@...rotopia.org>,
        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>,
        Richard van Schagen <richard@...terhints.com>,
        Richard van Schagen <vschagen@...com>,
        Frank Wunderlich <frank-w@...lic-files.de>,
        Bartel Eerdekens <bartel.eerdekens@...stell8.be>,
        erkin.bozoglu@...ont.com, mithat.guner@...ont.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH net-next 19/30] net: dsa: mt7530: set interrupt register
 only for MT7530

On 26.05.2023 16:25, Vladimir Oltean wrote:
> On Mon, May 22, 2023 at 03:15:21PM +0300, arinc9.unal@...il.com wrote:
>> From: Arınç ÜNAL <arinc.unal@...nc9.com>
>>
>> Setting this register related to interrupts is only needed for the MT7530
>> switch. Make an exclusive check to ensure this.
>>
>> Signed-off-by: Arınç ÜNAL <arinc.unal@...nc9.com>
>> Acked-by: Daniel Golle <daniel@...rotopia.org>
>> Tested-by: Daniel Golle <daniel@...rotopia.org>
>> ---
> 
> Why does it matter? What prompted you to make this change? I guess it's
> not needed for MT7988? Or the register is not present? Or?...

It's not needed for the switch on the MT7988 SoC. The register is also 
likely specific to the MT7530 switch.

Arınç