Re: [PATCH v3 2/2] PCI: mvebu - Support a bridge with no IO port window

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Dear Jason Gunthorpe,

On Thu, 31 Oct 2013 17:33:00 -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@xxxxxxxxxxxxxxxxxxxx>
> ---
>  drivers/pci/host/pci-mvebu.c | 63 ++++++++++++++++++++++++++++++--------------
>  1 file changed, 43 insertions(+), 20 deletions(-)

Tested-by: Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxxxxxxxxx>

Thanks, and sorry again for the huge time it took me to test this
version of your patches.

Best regards,

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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