Re: [PATCH] pci: Provide support for parsing PCI DT ranges property

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On Wed, Dec 12, 2012 at 4:37 PM, Andrew Murray <Andrew.Murray@xxxxxxx> wrote:
> DT bindings for PCI host bridges often use the ranges property to describe
> memory and IO ranges - this binding tends to be the same across architectures
> yet several parsing implementations exist, e.g. arch/mips/pci/pci.c,
> arch/powerpc/kernel/pci-common.c, arch/sparc/kernel/pci.c and
> arch/microblaze/pci/pci-common.c (clone of PPC). Some of these duplicate
> functionality provided by drivers/of/address.c.

Hi Andrew,

Thanks for looking into this. This definitely needs to be done.

However, I cannot merge this patch as-is because it actually makes
things worse by adding yet another implementation of the parsing code.
Plus it doesn't actually have any users.  :-)

Instead, move the existing code that you need out of
arch/powerpc/kernel/pci-common.c into a shared place and add in the
features you need. Bonus points if you fixup microblaze or others at
the same time.

g.
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