[PATCH v5 0/10] Add endpoint driver for Rockchip PCIe controller

[Shawn Lin]

Hi Lorenzo,

Gentle ping :)

On 2018/4/2 9:01, Shawn Lin wrote:
> Hi Lorenzo,
> 
>      This's the 5th try to upstream endpoint driver for Rockchip PCIe
> controller. In previous discussion, we both agree to do some directory
> reconstruction as soon as possible in 4.17 cycle. So the first 3 patches
> attempt to move forward with that.
> 
> Then patch 4-9 are mostly the same as previous version, but just
> fold in the fixes found by Kbuild Robot.
> 
> And patch 10 will update the defconfig for arm64 to avoid the warning,
> which may go via linux-rockchip tree.
> 
> Hope it looks good to you. :)
> 
> Changes in v5:
> - fix all issues found by Kbuild Robot
> - rename directory from host to controller, and move back dwc and cadence
> 
> Changes in v4:
> - remove empty line
> - keep rockchip's order next to cadence and dwc, but we will
>    try to resort it later when reconstructing the directories
> 
> Changes in v2:
> - remove rockchip,rk3399-pcie-host compatible(Suggested by Rob)
> - fix some error handling
> 
> 
> 
> Shawn Lin (10):
>    PCI: Rename directory from host to controller
>    PCI: cadence: Move cadence drivers back to controller directory
>    PCI: dwc: Move dwc drivers back to controller directory
>    PCI: rockchip: Factor out common code and host code
>    PCI: rockchip: Split out common function to parse DT
>    PCI: rockchip: Split out common function to init controller
>    dt-bindings: PCI: rockchip: Rename rockchip-pcie.txt to
>      rockchip-pcie-host.txt
>    PCI: rockchip: Add Endpoint controller driver for Rockchip PCIe
>      controller
>    dt-bindings: PCI: rockchip: Add DT bindings for Rockchip PCIe endpoint
>      controller
>    arm64: defconfig: update config for Rockchip PCIe
> 
>   .../devicetree/bindings/pci/rockchip-pcie-ep.txt   |  62 ++
>   .../{rockchip-pcie.txt => rockchip-pcie-host.txt}  |   0
>   MAINTAINERS                                        |  65 ++-
>   arch/arm64/configs/defconfig                       |   3 +-
>   drivers/pci/Kconfig                                |   4 +-
>   drivers/pci/Makefile                               |   6 +-
>   drivers/pci/cadence/Kconfig                        |  27 -
>   drivers/pci/cadence/Makefile                       |   4 -
>   drivers/pci/{host => controller}/Kconfig           |  50 +-
>   drivers/pci/{host => controller}/Makefile          |   7 +
>   drivers/pci/{ => controller}/dwc/Kconfig           |   0
>   drivers/pci/{ => controller}/dwc/Makefile          |   0
>   drivers/pci/{ => controller}/dwc/pci-dra7xx.c      |   0
>   drivers/pci/{ => controller}/dwc/pci-exynos.c      |   0
>   drivers/pci/{ => controller}/dwc/pci-imx6.c        |   0
>   drivers/pci/{ => controller}/dwc/pci-keystone-dw.c |   0
>   drivers/pci/{ => controller}/dwc/pci-keystone.c    |   0
>   drivers/pci/{ => controller}/dwc/pci-keystone.h    |   0
>   drivers/pci/{ => controller}/dwc/pci-layerscape.c  |   0
>   drivers/pci/{ => controller}/dwc/pcie-armada8k.c   |   0
>   drivers/pci/{ => controller}/dwc/pcie-artpec6.c    |   0
>   .../pci/{ => controller}/dwc/pcie-designware-ep.c  |   0
>   .../{ => controller}/dwc/pcie-designware-host.c    |   0
>   .../{ => controller}/dwc/pcie-designware-plat.c    |   0
>   drivers/pci/{ => controller}/dwc/pcie-designware.c |   0
>   drivers/pci/{ => controller}/dwc/pcie-designware.h |   0
>   drivers/pci/{ => controller}/dwc/pcie-hisi.c       |   2 +-
>   drivers/pci/{ => controller}/dwc/pcie-histb.c      |   0
>   drivers/pci/{ => controller}/dwc/pcie-kirin.c      |   0
>   drivers/pci/{ => controller}/dwc/pcie-qcom.c       |   0
>   drivers/pci/{ => controller}/dwc/pcie-spear13xx.c  |   0
>   drivers/pci/{host => controller}/pci-aardvark.c    |   0
>   drivers/pci/{host => controller}/pci-ftpci100.c    |   0
>   drivers/pci/{host => controller}/pci-host-common.c |   0
>   .../pci/{host => controller}/pci-host-generic.c    |   0
>   drivers/pci/{host => controller}/pci-hyperv.c      |   0
>   drivers/pci/{host => controller}/pci-mvebu.c       |   0
>   drivers/pci/{host => controller}/pci-rcar-gen2.c   |   0
>   drivers/pci/{host => controller}/pci-tegra.c       |   0
>   .../pci/{host => controller}/pci-thunder-ecam.c    |   0
>   drivers/pci/{host => controller}/pci-thunder-pem.c |   0
>   drivers/pci/{host => controller}/pci-v3-semi.c     |   0
>   drivers/pci/{host => controller}/pci-versatile.c   |   0
>   drivers/pci/{host => controller}/pci-xgene-msi.c   |   0
>   drivers/pci/{host => controller}/pci-xgene.c       |   0
>   drivers/pci/{host => controller}/pcie-altera-msi.c |   0
>   drivers/pci/{host => controller}/pcie-altera.c     |   0
>   .../pci/{cadence => controller}/pcie-cadence-ep.c  |   0
>   .../{cadence => controller}/pcie-cadence-host.c    |   0
>   drivers/pci/{cadence => controller}/pcie-cadence.c |   0
>   drivers/pci/{cadence => controller}/pcie-cadence.h |   0
>   drivers/pci/{host => controller}/pcie-iproc-bcma.c |   0
>   drivers/pci/{host => controller}/pcie-iproc-msi.c  |   0
>   .../pci/{host => controller}/pcie-iproc-platform.c |   0
>   drivers/pci/{host => controller}/pcie-iproc.c      |   0
>   drivers/pci/{host => controller}/pcie-iproc.h      |   0
>   drivers/pci/{host => controller}/pcie-mediatek.c   |   0
>   drivers/pci/{host => controller}/pcie-rcar.c       |   0
>   drivers/pci/controller/pcie-rockchip-ep.c          | 639 +++++++++++++++++++++
>   .../pcie-rockchip-host.c}                          | 600 +------------------
>   drivers/pci/controller/pcie-rockchip.c             | 423 ++++++++++++++
>   drivers/pci/controller/pcie-rockchip.h             | 338 +++++++++++
>   drivers/pci/{host => controller}/pcie-tango.c      |   0
>   drivers/pci/{host => controller}/pcie-xilinx-nwl.c |   0
>   drivers/pci/{host => controller}/pcie-xilinx.c     |   0
>   drivers/pci/{host => controller}/vmd.c             |   0
>   66 files changed, 1571 insertions(+), 659 deletions(-)
>   create mode 100644 Documentation/devicetree/bindings/pci/rockchip-pcie-ep.txt
>   rename Documentation/devicetree/bindings/pci/{rockchip-pcie.txt => rockchip-pcie-host.txt} (100%)
>   delete mode 100644 drivers/pci/cadence/Kconfig
>   delete mode 100644 drivers/pci/cadence/Makefile
>   rename drivers/pci/{host => controller}/Kconfig (84%)
>   rename drivers/pci/{host => controller}/Makefile (84%)
>   rename drivers/pci/{ => controller}/dwc/Kconfig (100%)
>   rename drivers/pci/{ => controller}/dwc/Makefile (100%)
>   rename drivers/pci/{ => controller}/dwc/pci-dra7xx.c (100%)
>   rename drivers/pci/{ => controller}/dwc/pci-exynos.c (100%)
>   rename drivers/pci/{ => controller}/dwc/pci-imx6.c (100%)
>   rename drivers/pci/{ => controller}/dwc/pci-keystone-dw.c (100%)
>   rename drivers/pci/{ => controller}/dwc/pci-keystone.c (100%)
>   rename drivers/pci/{ => controller}/dwc/pci-keystone.h (100%)
>   rename drivers/pci/{ => controller}/dwc/pci-layerscape.c (100%)
>   rename drivers/pci/{ => controller}/dwc/pcie-armada8k.c (100%)
>   rename drivers/pci/{ => controller}/dwc/pcie-artpec6.c (100%)
>   rename drivers/pci/{ => controller}/dwc/pcie-designware-ep.c (100%)
>   rename drivers/pci/{ => controller}/dwc/pcie-designware-host.c (100%)
>   rename drivers/pci/{ => controller}/dwc/pcie-designware-plat.c (100%)
>   rename drivers/pci/{ => controller}/dwc/pcie-designware.c (100%)
>   rename drivers/pci/{ => controller}/dwc/pcie-designware.h (100%)
>   rename drivers/pci/{ => controller}/dwc/pcie-hisi.c (99%)
>   rename drivers/pci/{ => controller}/dwc/pcie-histb.c (100%)
>   rename drivers/pci/{ => controller}/dwc/pcie-kirin.c (100%)
>   rename drivers/pci/{ => controller}/dwc/pcie-qcom.c (100%)
>   rename drivers/pci/{ => controller}/dwc/pcie-spear13xx.c (100%)
>   rename drivers/pci/{host => controller}/pci-aardvark.c (100%)
>   rename drivers/pci/{host => controller}/pci-ftpci100.c (100%)
>   rename drivers/pci/{host => controller}/pci-host-common.c (100%)
>   rename drivers/pci/{host => controller}/pci-host-generic.c (100%)
>   rename drivers/pci/{host => controller}/pci-hyperv.c (100%)
>   rename drivers/pci/{host => controller}/pci-mvebu.c (100%)
>   rename drivers/pci/{host => controller}/pci-rcar-gen2.c (100%)
>   rename drivers/pci/{host => controller}/pci-tegra.c (100%)
>   rename drivers/pci/{host => controller}/pci-thunder-ecam.c (100%)
>   rename drivers/pci/{host => controller}/pci-thunder-pem.c (100%)
>   rename drivers/pci/{host => controller}/pci-v3-semi.c (100%)
>   rename drivers/pci/{host => controller}/pci-versatile.c (100%)
>   rename drivers/pci/{host => controller}/pci-xgene-msi.c (100%)
>   rename drivers/pci/{host => controller}/pci-xgene.c (100%)
>   rename drivers/pci/{host => controller}/pcie-altera-msi.c (100%)
>   rename drivers/pci/{host => controller}/pcie-altera.c (100%)
>   rename drivers/pci/{cadence => controller}/pcie-cadence-ep.c (100%)
>   rename drivers/pci/{cadence => controller}/pcie-cadence-host.c (100%)
>   rename drivers/pci/{cadence => controller}/pcie-cadence.c (100%)
>   rename drivers/pci/{cadence => controller}/pcie-cadence.h (100%)
>   rename drivers/pci/{host => controller}/pcie-iproc-bcma.c (100%)
>   rename drivers/pci/{host => controller}/pcie-iproc-msi.c (100%)
>   rename drivers/pci/{host => controller}/pcie-iproc-platform.c (100%)
>   rename drivers/pci/{host => controller}/pcie-iproc.c (100%)
>   rename drivers/pci/{host => controller}/pcie-iproc.h (100%)
>   rename drivers/pci/{host => controller}/pcie-mediatek.c (100%)
>   rename drivers/pci/{host => controller}/pcie-rcar.c (100%)
>   create mode 100644 drivers/pci/controller/pcie-rockchip-ep.c
>   rename drivers/pci/{host/pcie-rockchip.c => controller/pcie-rockchip-host.c} (61%)
>   create mode 100644 drivers/pci/controller/pcie-rockchip.c
>   create mode 100644 drivers/pci/controller/pcie-rockchip.h
>   rename drivers/pci/{host => controller}/pcie-tango.c (100%)
>   rename drivers/pci/{host => controller}/pcie-xilinx-nwl.c (100%)
>   rename drivers/pci/{host => controller}/pcie-xilinx.c (100%)
>   rename drivers/pci/{host => controller}/vmd.c (100%)
>