[PATCH v2] PCI: mvebu - Support a bridge with no IO port window

[Jason Cooper]

On Tue, Oct 15, 2013 at 02:16:22PM -0600, Jason Gunthorpe wrote:
> Make pcie-io-aperture and the IO port MBUS ID in ranges optional.
> If not provided the bridge reports to Linux that IO space mapping is
> not supported and refuses to configure an IO mbus window.
> 
> This allows both complete disable (do not specify pcie-io-aperture) and
> per-port disable (do not specify a IO target ranges entry for the port)
> 
> Most PCIE devices these days do not require IO support to function,
> so having an option to disable it in the driver is useful.
> 
> Signed-off-by: Jason Gunthorpe <jgunthorpe at obsidianresearch.com>
> ---
>  drivers/pci/host/pci-mvebu.c | 64 +++++++++++++++++++++++++++++---------------
>  1 file changed, 43 insertions(+), 21 deletions(-)

Applied to mvebu/drivers

thx,

Jason.