There are a number of interrupts that are not used by the driver at the
moment. Disable all of these.
Signed-off-by: Markus Schneider-Pargmann <msp@xxxxxxxxxxxx>
---
drivers/net/can/m_can/m_can.c | 18 +++++++++++-------
1 file changed, 11 insertions(+), 7 deletions(-)
diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c
index a76465016e17..9749a3248517 100644
--- a/drivers/net/can/m_can/m_can.c
+++ b/drivers/net/can/m_can/m_can.c
@@ -1252,6 +1252,12 @@ static void m_can_chip_config(struct net_device *dev)
{
struct m_can_classdev *cdev = netdev_priv(dev);
u32 cccr, test;
+ u32 interrupts = IR_ALL_INT;
+
+ /* Disable unused interrupts */
+ interrupts &= ~(IR_ARA | IR_ELO | IR_DRX | IR_TEFF | IR_TEFW | IR_TFE |
+ IR_TCF | IR_HPM | IR_RF1F | IR_RF1W | IR_RF1N |
+ IR_RF0F | IR_RF0W);
m_can_config_endisable(cdev, true);
@@ -1347,15 +1353,13 @@ static void m_can_chip_config(struct net_device *dev)
m_can_write(cdev, M_CAN_TEST, test);
/* Enable interrupts */
- if (!(cdev->can.ctrlmode & CAN_CTRLMODE_BERR_REPORTING))
+ if (!(cdev->can.ctrlmode & CAN_CTRLMODE_BERR_REPORTING)) {
if (cdev->version == 30)
- m_can_write(cdev, M_CAN_IE, IR_ALL_INT &
- ~(IR_ERR_LEC_30X));
+ interrupts &= ~(IR_ERR_LEC_30X);
else
- m_can_write(cdev, M_CAN_IE, IR_ALL_INT &
- ~(IR_ERR_LEC_31X));
- else
- m_can_write(cdev, M_CAN_IE, IR_ALL_INT);
+ interrupts &= ~(IR_ERR_LEC_31X);
+ }
+ m_can_write(cdev, M_CAN_IE, interrupts);
/* route all interrupts to INT0 */
m_can_write(cdev, M_CAN_ILS, ILS_ALL_INT0);
--
2.38.1
