On Thu, Aug 10, 2017 at 02:34:53PM +0800, honghui.zhang@xxxxxxxxxxxx wrote:
> From: Honghui Zhang <honghui.zhang@xxxxxxxxxxxx>
>
> MediaTek's PCIe host controller has two generation HWs, MT2712 and MT7622
> using the new generation HW, which has two root ports. They share most
> probing flow with MT2701/MT7623. But the read/write config space logical
> is different. The per-port registers must be touched for read/write
> configuration space.
>
> This patchset abstract the common probing flow, and add support for the
> new generation controller.
>
> Changes since v3:
> - Unify the macro define's names with PCIE_ prefix.
> - Use lower/upper_32_bits macro and remove AHB2PCIE_BASEL/AHB2PCIE_BASEH.
> - Factor out mtk_pcie_find_port to eliminate duplicate code.
> - Use list_for_each_entry instead of list_for_each_entry_safe when search list.
> - Simplify the mtk_pcie_hw_rd_cfg flow.
> - Split a new patch to rename the parameter and function names.
> - Update the subject and changelog to include specific SoC IDs.
>
> Changes since v2:
> - Split the Gen2 training change to a separate patch.
> - Simplify the config_read/write logical and get rid of mtk_pcie_find_port.
> - Using bus->sysdata to simplify the code.
> - Rebase to commit 65b83b13204a ("PCI: mediatek: Explicitly request exclusive
> reset control")[1].
> - Fix some misspells.
> - Add review tags in commit message.
>
> Changes since v1:
> - Fix build warnings in arm arch.
> - Using SoC specific compatible instead of generic compatible.
> - Add devicetree binding example for mt7622.
> - Unified the register define names with PCIE_ prefix.
> - Cleanup some un-necessary condition determine when starup port.
> - minor code cleanups.
>
> [1] https://patchwork.kernel.org/patch/9852591/
>
> Honghui Zhang (2):
> PCI: mediatek: make the parameter and function names more accurate
> PCI: mediatek: Add a structure to abstract the controller generations
>
> Ryder Lee (5):
> PCI: mediatek: Using readl_poll_timeout to wait Gen2 training
> PCI: mediatek: switch to use platform_get_resource_byname()
> dt-bindings: PCI: rename and cleanup MediaTek binding text
> PCI: mediatek: Add controller support for mt2712 and mt7622
> dt-bindings: PCI: add support for mt2712 and mt7622
>
> .../bindings/pci/mediatek,mt7623-pcie.txt | 130 -----
> .../devicetree/bindings/pci/mediatek-pcie.txt | 284 ++++++++++
> drivers/pci/host/Kconfig | 5 +-
> drivers/pci/host/pcie-mediatek.c | 598 ++++++++++++++++++---
> 4 files changed, 820 insertions(+), 197 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/pci/mediatek,mt7623-pcie.txt
> create mode 100644 Documentation/devicetree/bindings/pci/mediatek-pcie.txt
I applied these on pci/host-mediatek for v4.14, thanks!
I did split the rename/cleanup DT patch into two to make the changes more
obvious.
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