Re: [PATCH] mcp251x: mcp2515 stops receiving

[John Whitmore <arigead@gmail.com>]

On Thu, May 22, 2014 at 06:38:18AM +0000, Rost, Martin wrote:
> 
> Hello John,
> 
> > -----Original Message-----
> > From: linux-can-owner@vger.kernel.org [mailto:linux-can-
> > owner@vger.kernel.org] On Behalf Of John Whitmore
> > Sent: Thursday, May 22, 2014 1:54 AM
> > To: Marc Kleine-Budde
> > Cc: Rost, Martin; linux-can@vger.kernel.org; Alexander Shiyan
> > Subject: Re: [PATCH] mcp251x: mcp2515 stops receiving
> > 
> > I'm not an expert in the Linux Driver code nor the implemented fix but I can
> > confirm that the Interrupt is generated with no flags set. I'm not sure of the
> > 10mS timing but I'd imagine that should work.
> > 
> 
> Thanks for confirming it.
> I fiddled a bit with the timing, and it seemed that 5ms would catch some but not all occurrences of this problem.
> So I went for 10 to make sure.
> 
> I'm not too deep into kernel internals, so is there some best practice to this?
>

I honestly can't answer about best practice on working around apparent flaws in
Hardware ;-) I'll leave somebody else to answer that one. 
 
> Regards,
> Martin