Re: [PATCH 00/20] PCI: fix config and I/O Address space memory mappings

Arnd Bergmann
2017-03-01T16:27:03Z

On Mon, Feb 27, 2017 at 4:14 PM, Lorenzo Pieralisi
<lorenzo.pieralisi@arm.com> wrote:

> This patch series[1] addresses both issues in one go:
>
> - It updates the pci_remap_iospace() function to use a page mapping
> that guarantees non-posted write transactions for I/O space addresses
> - It adds a kernel API to remap PCI config space resources, so that
> architecture can override it with a mapping implementation that
> guarantees PCI specifications compliancy wrt non-posted write
> configuration transactions
> - It updates all PCI host controller implementations (and the generic
> ECAM layer) to use the newly introduced mapping interface
>
> Tested on Juno ECAM based interface (DT/ACPI).

This looks all good to me, nice work!

Arnd