can: m_can: Reset cached active_interrupts on start

scosu · marckleinebudde · commit 733dbf556cd5 · 2024-08-06T09:25:30.000+02:00
To force writing the enabled interrupts, reset the active_interrupts cache. Fixes: 07f2509 ("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
@@ -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 */

Original file line number	Diff line number	Diff line change
`@@ -1541,6 +1541,7 @@ static int m_can_chip_config(struct net_device *dev)`
`1541`	`1541`	`else`
`1542`	`1542`	`interrupts &= ~(IR_ERR_LEC_31X);`
`1543`	`1543`	`}`
	`1544`	`+ cdev->active_interrupts = 0;`
`1544`	`1545`	`m_can_interrupt_enable(cdev, interrupts);`
`1545`	`1546`
`1546`	`1547`	`/* route all interrupts to INT0 */`