Re: Unhandled LM90 irq 308 on Dalmore?

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On Mon, Jan 06, 2014 at 12:13:12PM -0700, Stephen Warren wrote:
> On 12/20/2013 10:47 PM, Paul Walmsley wrote:
> > 
> > On 12/20/2013 08:26 AM, Stephen Warren wrote:
> ...
> >> Note that upstream Linux *only* supports Dalmore A04, and no other
> >> version. If you have a different board revision, it's not expected to
> >> work with upstream. IIRC, Eric Brower volunteered to track down the
> >> correct board revision for people working on upstream.
> > 
> > Indeed, that's probably the problem, then
> > 
> > It would be good if this was documented somewhere in the upstream kernel
> > tree.
> 
> I'll send a patch to document that in the DTS file.
> 
> > And even better if the kernel was able to read the Dalmore EEPROM
> > and print out a warning upon kernel boot...
> 
> That would be painful, since it'd be board-specific code that isn't
> really coupled with a specific piece of HW for which there's a driver.
> I'd rather avoid that kind of thing.
> 
Another option might be for someone to add support for other board revisions,
and create appropriate dts files.

On a side note, if the board revisions are incompatible to each other,
shouldn't the 'compatible' property be different ? Just wondering ...

Thanks,
Guenter

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