Commit 897e6632 authored by Markus Schneider-Pargmann's avatar Markus Schneider-Pargmann Committed by Marc Kleine-Budde
Browse files

can: m_can: Disable unused interrupts 



There are a number of interrupts that are not used by the driver at the
moment. Disable all of these.

Signed-off-by: default avatarMarkus Schneider-Pargmann <msp@baylibre.com>
Reviewed-by: default avatarSimon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/all/20230315110546.2518305-5-msp@baylibre.com


Signed-off-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
parent 71725bfd

drivers/net/can/m_can/m_can.c

+11 −7
Original line number Diff line number Diff line
@@ -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));

		else

			m_can_write(cdev, M_CAN_IE, IR_ALL_INT &

				    ~(IR_ERR_LEC_31X));

			interrupts &= ~(IR_ERR_LEC_30X);

		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);