Re: [PATCH v3 0/2] pci: xgene: Add multiple memory ranges support

[Bjorn Helgaas <bhelgaas@google.com>]

On Thu, Jul 09, 2015 at 02:20:10PM -0700, Duc Dang wrote:
> This patch set adds 1 large (up to 64GB) memory window for each PCIe
> controller nodes in X-Gene device tree and fix PCIe controller driver
> to handle multiple memory ranges correctly. These changes are required
> to support PCIe devices that have huge BAR.
> 
> v3 changes:
> 	1. Explicitly mention in change log that: Each PCIe node in dts 
> 	will have 1 32-bit non-prefetchable memory window and 1 64-bit 
> 	prefetchable memory window.
> 
> v2 changes:
>         1. Separate device-tree changes and driver changes into different
>         patches
>         2. Explicitly define new large window as 64-bit prefetchable in dts.
>         3. Use IORESOURCE_PREFETCH flag to determine which PCIe controller
>         register to be used to configure the memory ranges.
>  
>  arch/arm64/boot/dts/apm/apm-storm.dtsi | 23 ++++++++++++++---------
>  drivers/pci/host/pci-xgene.c           | 12 ++++++++++--
>  2 files changed, 24 insertions(+), 11 deletions(-)

Applied to pci/host-xgene for v4.3, with changelogs as follows, thanks!


commit 80bb3eda7475eb38b688d2e915c191ce6ad20df1
Author: Duc Dang <dhdang@apm.com>
Date:   Thu Jul 9 14:20:11 2015 -0700

    arm64: dts: Add APM X-Gene PCIe 64-bit prefetchable window
    
    Add a large window (up to 64GB) for X-Gene PCIe nodes to support devices
    that require huge BARs.
    
    Each X-Gene PCIe node will now have two memory windows: a 32-bit
    non-prefetchable window and a 64-bit prefetchable window.
    
    [bhelgaas: changelog]
    Signed-off-by: Duc Dang <dhdang@apm.com>
    Signed-off-by: Tanmay Inamdar <tinamdar@apm.com>
    Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

commit 8ef54f27f6f425fa8deedc237d99b9daf41d68d2
Author: Duc Dang <dhdang@apm.com>
Date:   Thu Jul 9 14:20:12 2015 -0700

    PCI: xgene: Add support for a 64-bit prefetchable memory window
    
    X-Gene PCIe controller has registers to support multiple memory ranges.
    
    Add support for a 64-bit prefetchable memory window.
    
    [bhelgaas: changelog]
    Signed-off-by: Duc Dang <dhdang@apm.com>
    Signed-off-by: Tanmay Inamdar <tinamdar@apm.com>
    Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>