1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c
index 58607f196c9e..2282b1ae9765 100644
--- a/drivers/net/can/c_can/c_can.c
+++ b/drivers/net/can/c_can/c_can.c
@@ -488,8 +488,12 @@ static void c_can_setup_receive_object(struct net_device *dev, int iface,
 
         priv->write_reg(priv, C_CAN_IFACE(MASK1_REG, iface),
                         IFX_WRITE_LOW_16BIT(mask));
+
+        /* According to C_CAN documentation, the reserved bit
+         * in IFx_MASK2 register is fixed 1
+         */
         priv->write_reg(priv, C_CAN_IFACE(MASK2_REG, iface),
-                        IFX_WRITE_HIGH_16BIT(mask));
+                        IFX_WRITE_HIGH_16BIT(mask) | BIT(13));
 
         priv->write_reg(priv, C_CAN_IFACE(ARB1_REG, iface),
                         IFX_WRITE_LOW_16BIT(id));