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| author | Jake Hamby <Jake.Hamby@Teledyne.com> | 2024-09-06 23:19:51 +0000 |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2024-09-11 10:52:47 +0200 |
| commit | 709cbd5bb49b54c3d73c1a89b8ebce09c10ed2ed (patch) | |
| tree | f3dcc25054575b87a23f644d5b3e8fa3ad27a4ad /drivers/net/can | |
| parent | fe1456451a111203860e124cda8396f8f2c9c16c (diff) | |
| download | lwn-709cbd5bb49b54c3d73c1a89b8ebce09c10ed2ed.tar.gz lwn-709cbd5bb49b54c3d73c1a89b8ebce09c10ed2ed.zip | |
can: m_can: m_can_chip_config(): mask timestamp wraparound IRQ
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@DM8PR14MB5221.namprd14.prod.outlook.com
Signed-off-by: Jake Hamby <Jake.Hamby@Teledyne.com>
Link: https://patch.msgid.link/20240911-can-m_can-mask-timestamp-wraparound-irq-v1-1-0155b70dc827@pengutronix.de
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 | 3 |
1 files changed, 2 insertions, 1 deletions
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) |