Re: Inconsistent error state transition error frames

[Marc Kleine-Budde <mkl@pengutronix.de>]

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On 09/08/2014 06:26 PM, Andri Yngvason wrote:
> I've been working on a userspace program to monitor the CAN bus and I
> found that it only works as expected on one platform (flexcan). The
> problem is that on most other platforms, no error frame is emitted
> when the controller transitions back to error-active state. I see
> that you've already discussed this on this list here:
> http://thread.gmane.org/gmane.linux.can/201
>
> Why hasn't this been resolved?

I assume no one needed this feature so far, I assume. And/or cared not
enough to upstream these patches.

> I already patched the mscan and sja1000 drivers myself, and I was
> considering submitting them, but since you've already done some work
> on this (which I believe is superior to mine), my work is unlikely to

Wolfgang mentioned in this mail, that he had some patches back than. Do
you still have them, Wolfgang?

> be of any consequence to this community, except to show that this
> inconsistency does indeed result in wasted effort and frustration.

Feel free to post your patches.

> Of course, I'll help out if I can, e.g. by testing on the platforms
> that I have available.

Marc

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