can: m_can: Reset cached active_interrupts on start

To force writing the enabled interrupts, reset the active_interrupts
cache.

Fixes: 07f25091ca02 ("can: m_can: Implement receive coalescing")
Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
Link: https://lore.kernel.org/all/20240805183047.305630-7-msp@baylibre.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c
index 68bd4a00eccaafaba1fccbe962fbaa8868f35b74..67c4c740c416f37d18eb44e6e8bd9ca30439b357 100644 (file)
--- a/drivers/net/can/m_can/m_can.c
+++ b/drivers/net/can/m_can/m_can.c
@@ -1541,6 +1541,7 @@ static int m_can_chip_config(struct net_device *dev)
                else
                        interrupts &= ~(IR_ERR_LEC_31X);
        }
+       cdev->active_interrupts = 0;
        m_can_interrupt_enable(cdev, interrupts);
 
        /* route all interrupts to INT0 */