With below sequence, we can see wakeup default is enabled after re-load
module, so need disable wakeup in flexcan_remove().
root@imx8qmevk:~# lsmod
Module Size Used by
crct10dif_ce 16384 1
flexcan 32768 0
can_dev 36864 1 flexcan
root@imx8qmevk:~# cat /sys/bus/platform/drivers/flexcan/5a8e0000.can/power/wakeup
disabled
root@imx8qmevk:~# echo enabled > /sys/bus/platform/drivers/flexcan/5a8e0000.can/power/wakeup
root@imx8qmevk:~# cat /sys/bus/platform/drivers/flexcan/5a8e0000.can/power/wakeup
enabled
root@imx8qmevk:~# rmmod flexcan
root@imx8qmevk:~# rmmod can_dev
root@imx8qmevk:~# modprobe flexcan
[ 147.877689] CAN device driver interface
root@imx8qmevk:~# cat /sys/bus/platform/drivers/flexcan/5a8e0000.can/power/wakeup
enabled
Fixes: de3578c198c6 ("can: flexcan: add self wakeup support")
Fixes: 915f9666421c ("can: flexcan: add support for DT property 'wakeup-source'")
Signed-off-by: Joakim Zhang <qiangqing.zhang@xxxxxxx>
---
drivers/net/can/flexcan.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index 06f94b6f0ebe..881799bd9c5e 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -2062,6 +2062,8 @@ static int flexcan_remove(struct platform_device *pdev)
{
struct net_device *dev = platform_get_drvdata(pdev);
+ device_set_wakeup_enable(&pdev->dev, false);
+ device_set_wakeup_capable(&pdev->dev, false);
unregister_flexcandev(dev);
pm_runtime_disable(&pdev->dev);
free_candev(dev);
--
2.17.1
