can: m_can: Disabled Interrupt Line 1

* Disabled interrupt line 1. The driver didn't use it.
Signed-off-by: NMario Huettel <mario.huettel@gmx.net>
Tested-by: NQuentin Schulz <quentin.schulz@free-electrons.com>
Signed-off-by: NMarc Kleine-Budde <mkl@pengutronix.de>

drivers/net/can/m_can/m_can.c

@@ -349,7 +349,8 @@ static inline void m_can_config_endisable(const struct m_can_priv *priv,
 
 static inline void m_can_enable_all_interrupts(const struct m_can_priv *priv)
 {
-	m_can_write(priv, M_CAN_ILE, ILE_EINT0 | ILE_EINT1);
+	/* Only interrupt line 0 is used in this driver */
+	m_can_write(priv, M_CAN_ILE, ILE_EINT0);
 }
 
 static inline void m_can_disable_all_interrupts(const struct m_can_priv *priv)