Re: [PATCH v2 1/1] can: ucan: add driver for Theobroma Systems UCAN devices

From: Jakob Unterwurzacher
Date: Wed Mar 14 2018 - 05:21:57 EST


On 14.03.18 10:17, Wolfgang Grandegger wrote:
Counting the state changes is one thing but you should also generate error messages for them.

We do for BUS-OFF already (see below), but not for other states - will do in v3.

+ /* we switched into a worse state */
+ up->can.state = new_state;
+ switch (new_state) {
+ case CAN_STATE_BUS_OFF:
+ can_stats->bus_off++;
+ can_bus_off(up->netdev);
+ netdev_info(up->netdev,
+ "link has gone into BUS-OFF state\n");
+ break;