On Thu, Apr 30, 2020 at 09:43:20AM +0100, Lad, Prabhakar wrote:
> Hi Kishon,
>
> On Thu, Apr 23, 2020 at 7:23 PM Lad Prabhakar
> <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx> wrote:
> >
> > Hi All,
> >
> > This patch series adds support for endpoint driver for R-Car PCIe controller on
> > R-Car/RZ-G2x SoC's, this also extends the epf framework to handle multiple windows
> > supported by the controller for mapping PCI address locally.
> >
> > Note:
> > The cadence/rockchip/designware endpoint drivers are build tested only.
> >
> > Changes for v9 (Re-spun this series as there were minimal changes requested):
> > * Rebased patches on top of v5.7.rc1
> > * Replaced mdelay(1) with usleep_range(1000, 1001) in rcar_pcie_ep_assert_intx()
> > * Added a check for max_functions read from DT to restrict with
> > RCAR_EPC_MAX_FUNCTIONS
> > * Replaced MSICAP0_MMENUM with MSICAP0_MMESE
> > * Retry ioremap for other windows on failure in pci_epc_mem_alloc_addr()
> > * Fixed looping for number windows in pci_epc_mem_exit()
> > * Set maximum to 1 for max-functions in DT binding (I have restored the acks
> > from Rob and Shimoda-san)
> > * Sorted the entry in MAINTAINERS
> >
> > Changes for v8:
> > * Dropped adding R8A774C0 (0x002d) pci-id in pci_ids.h
> > * Fixed typo in commit message for patch 2/8
> > * Reworded commit message for patch 5/8 as suggested by Bjorn
> > * Split up patch to add pci_epc_mem_init() interface to add page_size argument
> > as suggested by Bjorn.
> >
> > Changes for v7:
> > * Fixed review comments pointed by Shimoda-san
> > 1] Made DT bindings dual licensed, added Shimoda-san as maintainer and fixed
> > the example as its built with #{address,size}-cells = <1>. I have still
> > restored the Ack from Rob and Shimoda-san with these changes.
> > 2] Split up the patches so that they can be picked up by respective subsystem
> > patches 1/4-9/11 are now part of this series.
> > 3] Dropped altering a comment in pci-epc.h
> > 4] Used a local variable align_size in pci_epc_mem_alloc_addr() so that size
> > variable doesn't get overwritten in the loop.
> > 5] Replaced i-=1 with i--
> > 6] Replaced rcar with R-Car in patch subject and description.
> > 7] Set MACCTLR in init() callback
> >
> > Changes for v6:
> > 1] Rebased patches on endpoint branch of https://git.kernel.org/pub/
> > scm/linux/kernel/git/lpieralisi/pci.git/
> > 2] Fixed review comments from Shimoda-san
> > a] Made sure defconfig changes were in separate patch
> > b] Created rcar_pcie_host/rcar_pcie_ep structures
> > c] Added pci-id for R8A774C0
> > d] Added entry in MAINTAINERS for dt-binding
> > e] Dropped unnecessary braces
> > 3] Added support for msi.
> >
> > Changes for v5:
> > 1] Rebased patches on next branch of https://git.kernel.org/pub/scm/
> > linux/kernel/git/helgaas/pci.git
> > 2] Fixed review comments reported by Kishon while fetching the matching
> > window in function pci_epc_get_matching_window()
> > 3] Fixed review comments reported by Bjorn
> > a] Split patch up first patch so that its easier to review and incremental
> > b] Fixed typos
> > 4] Included Reviewed tag from Rob for the dt-binding patch
> > 5] Fixed issue reported by Nathan for assigning variable to itself
> >
> > Changes for v4:
> > 1] Fixed dtb_check error reported by Rob
> > 2] Fixed review comments reported by Kishon
> > a] Dropped pci_epc_find_best_fit_window()
> > b] Fixed initializing mem ptr in __pci_epc_mem_init()
> > c] Dropped map_size from pci_epc_mem_window structure
> >
> > Changes for v3:
> > 1] Fixed review comments from Bjorn and Kishon.
> > 3] Converted to DT schema
> >
> > Changes for v2:
> > 1] Fixed review comments from Biju for dt-bindings to include an example
> > for a tested platform.
> > 2] Fixed review comments from Kishon to extend the features of outbound
> > regions in epf framework.
> > 3] Added support to parse outbound-ranges in OF.
> >
> > Lad Prabhakar (8):
> > PCI: rcar: Rename pcie-rcar.c to pcie-rcar-host.c
> > PCI: rcar: Move shareable code to a common file
> > PCI: rcar: Fix calculating mask for PCIEPAMR register
> > PCI: endpoint: Pass page size as argument to pci_epc_mem_init()
> > PCI: endpoint: Add support to handle multiple base for mapping
> > outbound memory
> Could you please do the needy for the above two patches, so that this
> can be picked up by Lorenzo.
Yes please. I would kindly ask you to rebase it on top of my
pci/rcar branch - with Kishon's ACK when provided.
Thanks,
Lorenzo
> Cheers,
> --Prabhakar
>
> > dt-bindings: PCI: rcar: Add bindings for R-Car PCIe endpoint
> > controller
> > PCI: rcar: Add endpoint mode support
> > MAINTAINERS: Add file patterns for rcar PCI device tree bindings
> >
> > .../devicetree/bindings/pci/rcar-pci-ep.yaml | 77 ++
> > MAINTAINERS | 1 +
> > drivers/pci/controller/Kconfig | 18 +
> > drivers/pci/controller/Makefile | 3 +-
> > .../pci/controller/cadence/pcie-cadence-ep.c | 2 +-
> > .../pci/controller/dwc/pcie-designware-ep.c | 16 +-
> > drivers/pci/controller/pcie-rcar-ep.c | 557 ++++++++
> > drivers/pci/controller/pcie-rcar-host.c | 1065 +++++++++++++++
> > drivers/pci/controller/pcie-rcar.c | 1206 +----------------
> > drivers/pci/controller/pcie-rcar.h | 140 ++
> > drivers/pci/controller/pcie-rockchip-ep.c | 2 +-
> > drivers/pci/endpoint/pci-epc-mem.c | 204 ++-
> > include/linux/pci-epc.h | 38 +-
> > 13 files changed, 2078 insertions(+), 1251 deletions(-)
> > create mode 100644 Documentation/devicetree/bindings/pci/rcar-pci-ep.yaml
> > create mode 100644 drivers/pci/controller/pcie-rcar-ep.c
> > create mode 100644 drivers/pci/controller/pcie-rcar-host.c
> > create mode 100644 drivers/pci/controller/pcie-rcar.h
> >
> > --
> > 2.17.1
> >
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