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 -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html