linux-kernel - Re: [2.6 patch] remove pcibios_update

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Date:	Fri, 27 Jun 2008 13:14:59 -0700
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	Adrian Bunk <bunk@...nel.org>
Cc:	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	dhowells@...hat.com, gerg@...inux.org, ralf@...ux-mips.org,
	linux-mips@...ux-mips.org, lethal@...ux-sh.org,
	linux-sh@...r.kernel.org, Russell King <rmk+lkml@....linux.org.uk>
Subject: Re: [2.6 patch] remove pcibios_update_resource() functions

On Tuesday, June 17, 2008 3:33 pm 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@...nel.org>

Applied to my linux-next tree, thanks Adrian and everyone for your acks.

Jesse
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