Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Fri, 21 Apr 2023 19:32:58 +0100
From:   Daniel Golle <daniel@makrotopia.org>
To:     arinc9.unal@gmail.com
Cc:     Sean Wang <sean.wang@mediatek.com>,
        Landen Chao <Landen.Chao@mediatek.com>,
        DENG Qingfang <dqfext@gmail.com>, Andrew Lunn <andrew@lunn.ch>,
        Florian Fainelli <f.fainelli@gmail.com>,
        Vladimir Oltean <olteanv@gmail.com>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>,
        Russell King <linux@armlinux.org.uk>,
        =?utf-8?B?QXLEsW7DpyDDnE5BTA==?= <arinc.unal@arinc9.com>,
        Richard van Schagen <richard@routerhints.com>,
        Richard van Schagen <vschagen@cs.com>,
        Frank Wunderlich <frank-w@public-files.de>,
        erkin.bozoglu@xeront.com, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-mediatek@lists.infradead.org
Subject: Re: [RFC PATCH net-next 19/22] net: dsa: mt7530: set interrupt
 register only for MT7530
Message-ID: <ZELW2plBzam0r8EF@makrotopia.org>
References: <20230421143648.87889-1-arinc.unal@arinc9.com>
 <20230421143648.87889-20-arinc.unal@arinc9.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
Content-Transfer-Encoding: 8bit
In-Reply-To: <20230421143648.87889-20-arinc.unal@arinc9.com>
Precedence: bulk

On Fri, Apr 21, 2023 at 05:36:45PM +0300, arinc9.unal@gmail.com wrote:
> From: Arınç ÜNAL <arinc.unal@arinc9.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@arinc9.com>

Acked-by: Daniel Golle <daniel@makrotopia.org>
Tested-by: Daniel Golle <daniel@makrotopia.org>
(on MT7988 which is the relevant hardware regarding this change,
interrupts still work fine)


> ---
>  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 a66a762cb5db..ac1e3c58aaac 100644
> --- a/drivers/net/dsa/mt7530.c
> +++ b/drivers/net/dsa/mt7530.c
> @@ -2034,7 +2034,7 @@ mt7530_setup_irq(struct mt7530_priv *priv)
>  	}
>  
>  	/* This register must be set for MT7530 to properly fire interrupts */
> -	if (priv->id != ID_MT7531)
> +	if (priv->id == ID_MT7530 || priv->id == ID_MT7621)
>  		mt7530_set(priv, MT7530_TOP_SIG_CTRL, TOP_SIG_CTRL_NORMAL);
>  
>  	ret = request_threaded_irq(priv->irq, NULL, mt7530_irq_thread_fn,
> -- 
> 2.37.2
>