From: Jake Hamby <Jake.Hamby@xxxxxxxxxxxx> On the Microchip SAMA7G54 MPU the IR_TSW (timestamp wraparound) fires at about 1 Hz, but the driver doesn't care about it. Add it to the list of interrupts to disable in m_can_chip_config to reduce unneeded wakeups. Link: https://patch.msgid.link/DM8PR14MB5221D9DD3A7F2130EF161AF7EF9E2@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx Signed-off-by: Jake Hamby <Jake.Hamby@xxxxxxxxxxxx> Link: https://patch.msgid.link/20240911-can-m_can-mask-timestamp-wraparound-irq-v1-1-0155b70dc827@xxxxxxxxxxxxxx Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> --- drivers/net/can/m_can/m_can.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index 012c3d22b01d..a7b3bc439ae5 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -1434,7 +1434,8 @@ static int m_can_chip_config(struct net_device *dev) /* Disable unused interrupts */ interrupts &= ~(IR_ARA | IR_ELO | IR_DRX | IR_TEFF | IR_TFE | IR_TCF | - IR_HPM | IR_RF1F | IR_RF1W | IR_RF1N | IR_RF0F); + IR_HPM | IR_RF1F | IR_RF1W | IR_RF1N | IR_RF0F | + IR_TSW); err = m_can_config_enable(cdev); if (err) -- 2.45.2
