On Thu, Nov 14, 2024 at 10:34:23AM +0100, Marc Kleine-Budde wrote: > On 12.11.2024 14:46:03, Simon Horman wrote: > > On Mon, Nov 11, 2024 at 11:51:23AM +0100, Sean Nyekjaer wrote: > > > This is added in preparation for calling standby mode in the tcan4x5x > > > driver or other users of m_can. > > > For the tcan4x5x; If Vsup is 12V, standby mode will save 7-8mA, when > > > the interface is down. > > > > > > Signed-off-by: Sean Nyekjaer <sean@xxxxxxxxxx> > > > --- > > > drivers/net/can/m_can/m_can.c | 3 +++ > > > drivers/net/can/m_can/m_can.h | 1 + > > > 2 files changed, 4 insertions(+) > > > > > > diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c > > > index a7b3bc439ae596527493a73d62b4b7a120ae4e49..a171ff860b7c6992846ae8d615640a40b623e0cb 100644 > > > --- a/drivers/net/can/m_can/m_can.c > > > +++ b/drivers/net/can/m_can/m_can.c > > > @@ -1756,6 +1756,9 @@ static void m_can_stop(struct net_device *dev) > > > > > > /* set the state as STOPPED */ > > > cdev->can.state = CAN_STATE_STOPPED; > > > + > > > + if (cdev->ops->deinit) > > > + cdev->ops->deinit(cdev); > > > > Hi Sean, > > > > Perhaps this implementation is in keeping with other m_can code, but > > I am wondering if either the return value of the callback be returned to > > the caller, or the return type of the callback be changed to void? > > > > Similarly for calls to callbacks in in patch 3/3. > > please take care of errors/return values. > Will do. It's also missing for the init callback. Would you like this series to fix that? /Sean