On 27.02.2025 11:08:50, Vincent Mailhol wrote:
> > +static int nct6694_can_stop(struct net_device *ndev)
> > +{
> > + struct nct6694_can_priv *priv = netdev_priv(ndev);
> > +
> > + priv->can.ctrlmode = CAN_CTRLMODE_LISTENONLY;
>
> Hmmm, when Marc asked you to put the device in listen only mode, I think
> he meant that you set it on the device side (i.e. flag
> NCT6694_CAN_SETTING_CTRL1_MON) and not on the driver side. If you set
> CAN_CTRLMODE_LISTENONLY flag, that will be reported in the netlink
> interface. So you should not change that flag.
ACK
> But before that, did you check the datasheet? Don't you have a device
> flag to actually turn the device off (e.g. sleep mode)?
Please test that the ifup -> ifdown -> ifup sequence works properly,
even on a busy bus and on a bus without with a 2nd CAN station that is
sending and you are the only receiver.
regards,
Marc
--
Pengutronix e.K. | Marc Kleine-Budde |
Embedded Linux | https://www.pengutronix.de |
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