linux-kernel - [PATCH net-next v3 2/9] net: dsa: mt7530: set interrupt register only for MT7530

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Message-Id:
 <20240301-for-netnext-mt7530-improvements-3-v3-2-449f4f166454@arinc9.com>
Date: Fri, 01 Mar 2024 12:42:58 +0200
From: Arınç ÜNAL via B4 Relay
 <devnull+arinc.unal.arinc9.com@...nel.org>
To: Daniel Golle <daniel@...rotopia.org>, 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: mithat.guner@...ont.com, erkin.bozoglu@...ont.com, 
 Bartel Eerdekens <bartel.eerdekens@...stell8.be>, netdev@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-mediatek@...ts.infradead.org, 
 Arınç ÜNAL <arinc.unal@...nc9.com>
Subject: [PATCH net-next v3 2/9] net: dsa: mt7530: set interrupt register
 only for MT7530

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>
---
 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 94d4b2c87799..5cfd303b773f 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -2055,7 +2055,7 @@ 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