Re: [PATCH] pci: Add support for creating a generic host_bridge from device tree

[Russell King - ARM Linux]

On Thu, Feb 13, 2014 at 12:27:05PM +0100, Arnd Bergmann wrote:
> I would rather get rid of struct hw_pci for architecture independent
> drivers and add a different registration method on arm32 that is
> compatible with what we come up with on arm64. The main purpose of
> hw_pci is to allow multiple PCI controllers to be initialized at
> once, but we don't actually need that for any of the "modern" platforms
> where we already have a probe function that gets called once for
> each controller.

No.  The main purpose of hw_pci is as a container to support multiple
different platform specific PCI implementations in one kernel.  It's
exactly what you need for single zImage.

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