Re: [PATCH v11 0/20] Refactoring Microchip PCIe driver and add StarFive PCIe

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On Wed, 29. Nov 07:39, Damian Tometzki wrote:
> Hello Minda,
> 
> i tried this Patchset on Linux-6.6.3 but boot with nvme doesnt work. Linux doesnt find
> /root partition /dev/nvme0n1p4. 
> I dont know if it has anything to do with this patchset ?
> Best regards
> Damian
Hi,
some additional information: 
Begin: Running /scripts/local-block ... done.
Begin: Running /scripts/local-block ... done.
[   11.097653] /soc/pcie@940000000: Failed to get clk index: 1 ret: -517
[   11.104147] pcie-starfive 940000000.pcie: error -ENODEV: failed to get pcie clocks
[   11.111981] /soc/pcie@9c0000000: Failed to get clk index: 1 ret: -517
[   11.118451] pcie-starfive 9c0000000.pcie: error -ENODEV: failed to get pcie clocks
[   11.126371] platform 17020000.pinctrl: deferred probe pending
[   11.132145] platform 16010000.mmc: deferred probe pending
Begin: Running /scripts/local-block ... done.
Begin: Running /scripts/local-block ... done.

Damian

> 
> On Wed, 15. Nov 19:48, Minda Chen wrote:
> > This patchset final purpose is add PCIe driver for StarFive JH7110 SoC.
> > JH7110 using PLDA XpressRICH PCIe IP. Microchip PolarFire Using the
> > same IP and have commit their codes, which are mixed with PLDA
> > controller codes and Microchip platform codes.
> > 
> > For re-use the PLDA controller codes, I request refactoring microchip
> > codes, move PLDA common codes to PLDA files.
> > Desigware and Cadence is good example for refactoring codes.
> > 
> > ----------------------------------------------------------
> > The refactoring patches total number is 16,(patch 1-16)
> > which do NOT contain changing logic of codes.
> > 
> > These patches just contain three type basic operations.
> > (rename, modify codes to support starfive platform, and moving to common file)
> > If these patched are all be reviewed. They can be accepted first.
> > 
> > Refactoring patches can be devided to different groups
> > 1. (patch 1- 3 is the prepare work of refactoring)
> > patch1 is move PLDA XpressRICH PCIe host common properties dt-binding
> >        docs from microchip,pcie-host.yaml
> > patch2 is move PolarFire codes to PLDA directory.
> > patch3 is move PLDA IP register macros to plda-pcie.h
> > 
> > 2. (patch4 - 6 is processing and re-use PCIe host instance)
> > patch4 is add bridge_addr field to PCIe host instance.
> > patch5 is rename data structure in microchip codes.
> > patch6 is moving two data structures to head file
> > 
> > 3. (patch 7 - 9 are for re-use two PCIe setup function)
> > patch7 is rename two setup functions in microchip codes, prepare to move
> > to common file.
> > patch8 is change the arguments of plda_pcie_setup_iomems()
> > patch9 is move the two setup functions to common file pcie-plda-host.c
> > 
> > 4.(patch 10 - 16 are for re-use interupt processing codes)
> > patch10 is rename the IRQ related functions, prepare to move to
> > pcie-plda-host.c
> > patch 11 - 15 is modify the interrupt event codes, preparing for support starfive
> > and microchip two platforms.
> > patch16 is move IRQ related functions to pcie-plda-host.c
> > 
> > ------------------------------------------------------------
> > The remainder patches (patch 17 -20) are not refactoring patch.
> > They are for adding StarFive codes and dont modify the microchip's
> > codes.
> > 
> > patch17 is Add PLDA event interrupt codes and host init/deinit functions.
> > patch18 is add StarFive JH7110 PCIe dt-binding doc.
> > patch19 is add StarFive JH7110 Soc PCIe codes.
> > patch20 is Starfive dts config
> > 
> > This patchset is base on v6.7-rc1
> > 
> > previous version:
> > v6:https://patchwork.kernel.org/project/linux-pci/cover/20230915102243.59775-1-minda.chen@xxxxxxxxxxxxxxxx/
> > v7:https://patchwork.kernel.org/project/linux-pci/cover/20230927100802.46620-1-minda.chen@xxxxxxxxxxxxxxxx/
> > v8:https://patchwork.kernel.org/project/linux-pci/cover/20231011110514.107528-1-minda.chen@xxxxxxxxxxxxxxxx/
> > v9:https://patchwork.kernel.org/project/linux-pci/cover/20231020104341.63157-1-minda.chen@xxxxxxxxxxxxxxxx/
> > v10:https://patchwork.kernel.org/project/linux-pci/cover/20231031115430.113586-1-minda.chen@xxxxxxxxxxxxxxxx/
> > 
> > change:
> >   v11:
> >      check and modify some commit messages again.
> >      All the codes are the same with v10.   
> > 
> >   v10:
> >    All the commit message set to fit in 75 columns.
> >    All the codes fit in less than 80 colunms.
> >    patch 14: 
> > 	Commit message changes suggested by Conor.
> >    patch 19:
> >         Add 100 ms delay macro to pci.h
> > 	generic phy pointer related codes moving to pcie-starfive.c
> > 	This patch Change pcie-starfive only, bus_ops move to patch 16.
> > 	Some Codes changes suggested by Bjorn.
> > 
> >   v9:
> >    v8 patch 10 squash to v9 patch 12, v8 patch 18 squash to v9 patch 16.
> >    patch 4 - 16: Add new review tags and add more accurate commit messages.
> >    patch 17: move the plda_pcie_host_init/deinit from patch 19. Make
> >              plda driver become to whole driver.
> > 
> >   v8:
> >     The patch description in cover-letter has been changed.
> > 
> >     v7 patch 4 split to v8 patch 4 - 6.
> >         (It is patches about re-use pcie host data structure, new patches just contain one
> > 	function modification. It is more reguluar and easier to review).
> > 
> >     patch 7- 9: modify the commit messages and add reason of
> > 		modifcation.
> >     patch10- 16 :
> >              Add review tag and add more commit messages to declear the
> > 	     reason of modifying the codes.
> >     patch17: plda_handle_events() using bit mask macro. The function are
> > 	     easier to read.
> > 
> >   v7:
> >     patch17: fix the build warning.
> >     patch19: Some format changes (Emil's comment)
> >     patch20: change the pcie node sequences by alphabetical
> >              delete the "interupt-parent" in pcie node.
> > 
> >   v6:
> >     v5 patch 4 split to patch 4 -9. New patches just contain one function modification. It is more reguluar.
> > 
> >     patch 9: Just move the two setup functions only
> >     patch 19 : draw a graph of PLDA local register, make it easier to
> >                review the codes.
> >     v5 patch 7 split to patch 10- 16. Each patch just contain one
> >                 function modification. It is more regular.
> >     patch 10: rename IRQ related functions.
> >     patch 11 - 15 : modify the events codes, total five patch.
> >     patch 16: move IRQ related functions to pcie-plda-host.c
> >     patch 19- 20 using "linux,pci-domain" dts setting.
> > 
> > Minda Chen (20):
> >   dt-bindings: PCI: Add PLDA XpressRICH PCIe host common properties
> >   PCI: microchip: Move pcie-microchip-host.c to plda directory
> >   PCI: microchip: Move PLDA IP register macros to pcie-plda.h
> >   PCI: microchip: Add bridge_addr field to struct mc_pcie
> >   PCI: microchip: Rename two PCIe data structures
> >   PCI: microchip: Move PCIe host data structures to plda-pcie.h
> >   PCI: microchip: Rename two setup functions
> >   PCI: microchip: Change the argument of plda_pcie_setup_iomems()
> >   PCI: microchip: Move setup functions to pcie-plda-host.c
> >   PCI: microchip: Rename interrupt related functions
> >   PCI: microchip: Add num_events field to struct plda_pcie_rp
> >   PCI: microchip: Add request_event_irq() callback function
> >   PCI: microchip: Add INTx and MSI event num to struct plda_event
> >   PCI: microchip: Add get_events() callback function
> >   PCI: microchip: Add event IRQ domain ops to struct plda_event
> >   PCI: microchip: Move IRQ functions to pcie-plda-host.c
> >   PCI: plda: Add event interrupt codes and host init/deinit functions
> >   dt-bindings: PCI: Add StarFive JH7110 PCIe controller
> >   PCI: starfive: Add JH7110 PCIe controller
> >   riscv: dts: starfive: add PCIe dts configuration for JH7110
> > 
> >  .../bindings/pci/microchip,pcie-host.yaml     |  55 +-
> >  .../pci/plda,xpressrich3-axi-common.yaml      |  75 ++
> >  .../bindings/pci/starfive,jh7110-pcie.yaml    | 120 ++++
> >  MAINTAINERS                                   |  19 +-
> >  .../jh7110-starfive-visionfive-2.dtsi         |  64 ++
> >  arch/riscv/boot/dts/starfive/jh7110.dtsi      |  86 +++
> >  drivers/pci/controller/Kconfig                |   9 +-
> >  drivers/pci/controller/Makefile               |   2 +-
> >  drivers/pci/controller/plda/Kconfig           |  29 +
> >  drivers/pci/controller/plda/Makefile          |   4 +
> >  .../{ => plda}/pcie-microchip-host.c          | 602 ++--------------
> >  drivers/pci/controller/plda/pcie-plda-host.c  | 657 ++++++++++++++++++
> >  drivers/pci/controller/plda/pcie-plda.h       | 266 +++++++
> >  drivers/pci/controller/plda/pcie-starfive.c   | 460 ++++++++++++
> >  drivers/pci/pci.h                             |   7 +
> >  15 files changed, 1851 insertions(+), 604 deletions(-)
> >  create mode 100644 Documentation/devicetree/bindings/pci/plda,xpressrich3-axi-common.yaml
> >  create mode 100644 Documentation/devicetree/bindings/pci/starfive,jh7110-pcie.yaml
> >  create mode 100644 drivers/pci/controller/plda/Kconfig
> >  create mode 100644 drivers/pci/controller/plda/Makefile
> >  rename drivers/pci/controller/{ => plda}/pcie-microchip-host.c (54%)
> >  create mode 100644 drivers/pci/controller/plda/pcie-plda-host.c
> >  create mode 100644 drivers/pci/controller/plda/pcie-plda.h
> >  create mode 100644 drivers/pci/controller/plda/pcie-starfive.c
> > 
> > 
> > base-commit: b85ea95d086471afb4ad062012a4d73cd328fa86
> > -- 
> > 2.17.1
> > 




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