Hello,

On Wednesday 13 October 2010, 11:51:20 Marc Kleine-Budde wrote:
> As Wolfgang pointed out, it doesn't work, i.e. they show up as "normal"
> messages. You cannot distinguish between loopback'ed messages and normal
> ones. But that can be fixed in the driver.
> 
> I think we (the socketcan people) originally thought it's a better
> solution to loop the CAN frames back in hardware (if available), as it
> represents what's happening on the wire far better than software
> loopback. But it turns out that many people need the receive own
> messages feature (for whatever reason).
> 
> Send patches or contact your favourite embedded linux support company :)))

I've checked some manuals and found a bit in flexcan register MCR where you 
can disable hardware loopback. But now I'm wondering which flexcan device 
support this bit. At least flexcan on Coldfire 5484 (yeah a pretty old one) 
doesn't do it. Does somebody else know which devices have / have not this bit?

Alexander
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