Re: [PATCH v2 2/6] PCI: tegra: use new OF interrupt mapping when possible

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On Friday, March 07, 2014 9:25 AM, Arnd Bergmann wrote:
> On Thursday 06 March 2014, Lucas Stach wrote:
> > Am Donnerstag, den 06.03.2014, 10:36 -0700 schrieb Stephen Warren:
> > > On 03/05/2014 06:25 AM, Lucas Stach wrote:
> > > > This is the recommended method of doing the IRQ
> > > > mapping. For old devicetrees we fall back to the
> > > > previous practice.
> > >
> > > Tested-by: Stephen Warren <swarren@xxxxxxxxxx>
> > >
> > > I tested both with and without patch 1/6, and the PCIe-based NIC on
> > > Beaver worked fine either way. Without patch 1/6, I do see:
> > >
> > > pci 0000:00:01.0: of_irq_parse_pci() failed with rc=-22
> > >
> > > ... but that seems reasonable given that the DT that of_irq_parse_pci()
> > > parses is missing, and did correctly trigger the fallback path, so
> > > everything still worked.
> >
> > Yes, this should be normal. It spits this error for old DTs, but keeps
> > doing the right thing. I'm not sure if we should downgrade this to info
> > or dbg.
> 
> No, I think printing an error like this is appropriate: it is an incentive
> to update the dts files, but doesn't look too urgent as long as everything
> still works.

+1

I agree with Arnd's opinion. I think that all dts files should be
updated properly. This error message can be the good way to do it.
Thank you.

Best regards,
Jingoo Han

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