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Re: spi: OF module autoloading is still broken

From Mark Brown <broonie@kernel.org>
Newsgroups linux.kernel
Subject Re: spi: OF module autoloading is still broken
Date 2015-11-16 19:00 +0100
Message-ID <qvwem-1Xe-7@gated-at.bofh.it> (permalink)
References (3 earlier) <quuRn-3Oe-59@gated-at.bofh.it> <quvu2-41A-11@gated-at.bofh.it> <quvNn-4oX-1@gated-at.bofh.it> <quwgp-4yI-1@gated-at.bofh.it> <qvvBE-1Ii-15@gated-at.bofh.it>
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On Mon, Nov 16, 2015 at 02:19:27PM -0300, Javier Martinez Canillas wrote:
> On 11/13/2015 08:48 PM, Brian Norris wrote:

> > (I believe I avoided this in the first place for mostly-aesthetic
> > reasons; technically this allows people to put garbage in their DT, like
> > "garbage,spi-nor". It's unclear whether "garbage" becomes part of the
> > mythical DT ABI [1].)

> I don't believe your examples are part of the mythical DT ABI. What I
> understand is that an ABI is whatever is documented in the DT binding
> docs but the only document that mentions the m25p80 is:

> Documentation/devicetree/bindings/mtd/jedec,spi-nor.txt

Not really, in practice an ABI is something that people notice breaking.
This means that if enough people ship an undocumented ABI (or it goes
into important enough products) it's just as good as something that's
documented, perhaps better than something that's documented and nobody
ever uses as an ABI.

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Re: m25p80: Commit "allow arbitrary OF matching for "jedec,spi-nor""  breaks module autoloading Brian Norris <computersforpeace@gmail.com> - 2015-11-12 20:00 +0100
  spi: OF module autoloading is still broken (was: Re: m25p80: Commit  "allow arbitrary OF matching for "jedec,spi-nor"" breaks module autoloading) Brian Norris <computersforpeace@gmail.com> - 2015-11-13 20:50 +0100
    Re: spi: OF module autoloading is still broken (was: Re: m25p80:  Commit "allow arbitrary OF matching for "jedec,spi-nor"" breaks module  autoloading) Mark Brown <broonie@kernel.org> - 2015-11-13 23:20 +0100
      Re: spi: OF module autoloading is still broken (was: Re: m25p80:  Commit "allow arbitrary OF matching for "jedec,spi-nor"" breaks module  autoloading) Brian Norris <computersforpeace@gmail.com> - 2015-11-14 00:00 +0100
        Re: spi: OF module autoloading is still broken (was: Re: m25p80:  Commit "allow arbitrary OF matching for "jedec,spi-nor"" breaks module  autoloading) Mark Brown <broonie@kernel.org> - 2015-11-14 00:20 +0100
          Re: spi: OF module autoloading is still broken (was: Re: m25p80:  Commit "allow arbitrary OF matching for "jedec,spi-nor"" breaks module  autoloading) Brian Norris <computersforpeace@gmail.com> - 2015-11-14 00:50 +0100
            Re: spi: OF module autoloading is still broken (was: Re: m25p80:  Commit "allow arbitrary OF matching for "jedec,spi-nor"" breaks module  autoloading) Mark Brown <broonie@kernel.org> - 2015-11-16 15:00 +0100
              Re: spi: OF module autoloading is still broken Javier Martinez Canillas <javier@osg.samsung.com> - 2015-11-16 18:30 +0100
                Re: spi: OF module autoloading is still broken Mark Brown <broonie@kernel.org> - 2015-11-16 19:00 +0100
                Re: spi: OF module autoloading is still broken Javier Martinez Canillas <javier@osg.samsung.com> - 2015-11-16 19:10 +0100
            Re: spi: OF module autoloading is still broken Javier Martinez Canillas <javier@osg.samsung.com> - 2015-11-16 18:20 +0100
              Re: spi: OF module autoloading is still broken Mark Brown <broonie@kernel.org> - 2015-11-16 19:00 +0100
                Re: spi: OF module autoloading is still broken Javier Martinez Canillas <javier@osg.samsung.com> - 2015-11-16 19:00 +0100
              Re: spi: OF module autoloading is still broken Brian Norris <computersforpeace@gmail.com> - 2015-11-16 20:30 +0100
                Re: spi: OF module autoloading is still broken Javier Martinez Canillas <javier@osg.samsung.com> - 2015-11-16 21:10 +0100
                Re: spi: OF module autoloading is still broken Brian Norris <computersforpeace@gmail.com> - 2015-11-16 21:50 +0100
                Re: spi: OF module autoloading is still broken Javier Martinez Canillas <javier@osg.samsung.com> - 2015-11-16 22:40 +0100
                Re: spi: OF module autoloading is still broken Brian Norris <computersforpeace@gmail.com> - 2015-11-16 23:00 +0100
                Re: spi: OF module autoloading is still broken Mark Brown <broonie@kernel.org> - 2015-11-17 14:20 +0100
                Re: spi: OF module autoloading is still broken Javier Martinez Canillas <javier@osg.samsung.com> - 2015-11-17 14:40 +0100
                Re: spi: OF module autoloading is still broken Javier Martinez Canillas <javier@osg.samsung.com> - 2015-11-17 14:20 +0100
                Re: spi: OF module autoloading is still broken Javier Martinez Canillas <javier@osg.samsung.com> - 2015-11-18 21:10 +0100
                Re: spi: OF module autoloading is still broken Javier Martinez Canillas <javier@osg.samsung.com> - 2015-11-19 13:50 +0100
                Re: spi: OF module autoloading is still broken Mark Brown <broonie@kernel.org> - 2015-11-17 14:40 +0100
                Re: spi: OF module autoloading is still broken Javier Martinez Canillas <javier@osg.samsung.com> - 2015-11-17 14:40 +0100

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