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can: m_can: Disable unused interrupts

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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@baylibre.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/all/20230315110546.2518305-5-msp@baylibre.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Markus Schneider-Pargmann
2023-03-15 12:05:34 +01:00
committed by Marc Kleine-Budde
parent 71725bfdbb
commit 897e663218
1 changed files with 11 additions and 7 deletions
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drivers/net/can/m_can/m_can.c
+11 -7
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@@ -1261,6 +1261,7 @@ static int m_can_set_bittiming(struct net_device *dev)
static int m_can_chip_config(struct net_device *dev)
{
struct m_can_classdev *cdev = netdev_priv(dev);
u32 interrupts = IR_ALL_INT;
u32 cccr, test;
int err;
@@ -1270,6 +1271,11 @@ static int m_can_chip_config(struct net_device *dev)
return err;
}
/* 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);
/* RX Buffer/FIFO Element Size 64 bytes data field */
@@ -1364,15 +1370,13 @@ static int 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);