Re: [PATCH 3/3] arm/arm64: pci: remove arch specific pcibios_enable_device()

[Will Deacon <will.deacon@arm.com>]

On Tue, Nov 17, 2015 at 05:03:58PM +0000, Lorenzo Pieralisi wrote:
> The arm/arm64 pcibios_enable_device() implementations exist solely
> to prevent enabling PCI resources on PROBE_ONLY systems, since
> on those systems the PCI resources are currently not claimed (ie
> validated and inserted in the PCI resource tree) therefore they can
> not be enabled since this would trigger PCI set-ups failures.
> 
> By introducing resources claiming in the PCI host controllers set-ups
> that have PROBE_ONLY as a probe option, there is no need for arch specific
> pcibios_enable_device() implementations anymore in that the kernel can
> rely on the generic pcibios_enable_device() implementation without
> resorting to arch specific code to work around the missing resources
> claiming enumeration step.
> 
> This patch removes the pcibios_enable_device() implementations from
> the arm/arm64 arch back-ends.
> 
> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
> Cc: Arnd Bergmann <arnd@arndb.de>
> Cc: Will Deacon <will.deacon@arm.com>
> Cc: Bjorn Helgaas <bhelgaas@google.com>
> Cc: Russell King <linux@arm.linux.org.uk>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> ---
>  arch/arm/kernel/bios32.c | 12 ------------
>  arch/arm64/kernel/pci.c  | 13 -------------
>  2 files changed, 25 deletions(-)

Acked-by: Will Deacon <will.deacon@arm.com>

Will