linux-kernel - [RFC PATCH net-next 2/8] net: dsa: mt7530: set interrupt register only for MT7530

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Message-Id: <20240117102838.57445-3-arinc.unal@arinc9.com>
Date: Wed, 17 Jan 2024 13:28:32 +0300
From: Arınç ÜNAL <arinc.unal@...nc9.com>
To: 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>,
	Vladimir Oltean <olteanv@...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>
Cc: Arınç ÜNAL <arinc.unal@...nc9.com>,
	mithat.guner@...ont.com,
	erkin.bozoglu@...ont.com,
	netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org
Subject: [RFC PATCH net-next 2/8] net: dsa: mt7530: set interrupt register only for MT7530

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>
---
 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 c55edbda32bd..d2e861361191 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -2054,7 +2054,7 @@ 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,
-- 
2.40.1