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>
---
 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