diff options
| author | Markus Schneider-Pargmann <msp@baylibre.com> | 2023-03-15 12:05:34 +0100 |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2023-03-24 19:13:54 +0100 |
| commit | 897e663218e2d05607a6f5b258134cb026a2fa85 (patch) | |
| tree | 0662e960d17e4e1a4d014a74742aec578f57ca45 /drivers/net/can | |
| parent | 71725bfdbbf263ec4897ce310087d3f6bd331c19 (diff) | |
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: 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>
Diffstat (limited to 'drivers/net/can')
| -rw-r--r-- | drivers/net/can/m_can/m_can.c | 18 |
1 files 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 5274d9642566..e7aceeba3759 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -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); |