Re: [2.6 patch] remove pcibios_update_resource() functions
From: Paul Mundt
Date: Mon Jun 23 2008 - 23:51:02 EST
On Wed, Jun 18, 2008 at 01:33:32AM +0300, Adrian Bunk wrote:
> Russell King did the following back in 2003:
>
> <-- snip -->
>
> [PCI] pci-9: Kill per-architecture pcibios_update_resource()
>
> Kill pcibios_update_resource(), replacing it with pci_update_resource().
> pci_update_resource() uses pcibios_resource_to_bus() to convert a
> resource to a device BAR - the transformation should be exactly the
> same as the transformation used for the PCI bridges.
>
> pci_update_resource "knows" about 64-bit BARs, but doesn't attempt to
> set the high 32-bits to anything non-zero - currently no architecture
> attempts to do something different. If anyone cares, please fix; I'm
> going to reflect current behaviour for the time being.
>
> Ivan pointed out the following architectures need to examine their
> pcibios_update_resource() implementation - they should make sure that
> this new implementation does the right thing. #warning's have been
> added where appropriate.
>
> ia64
> mips
> mips64
>
> This cset also includes a fix for the problem reported by AKPM where
> 64-bit arch compilers complain about the resource mask being placed
> in a u32.
>
> <-- snip -->
>
>
> This patch removes the unused pcibios_update_resource() functions the
> kernel gained since.
>
>
> Signed-off-by: Adrian Bunk <bunk@xxxxxxxxxx>
>
sh parts -
Acked-by: Paul Mundt <lethal@xxxxxxxxxxxx>
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