Re: [PATCH V6 0/2] Add ACPI support for HiSilicon SoCs Host Controllers

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Hi Dongdong,

On Tue, Nov 22, 2016 at 8:08 PM, Dongdong Liu <liudongdong3@xxxxxxxxxx> wrote:
> This patchset adds ACPI support for the HiSilicon Hip05/Hip06/Hip07 SoC
> PCIe controllers.
> The two patches respectively:
>         - provides the common function acpi_get_rc_resources() for ARM64
>           platform.
>         - adds the HiSilicon ACPI specific quirks.
>
> This patchset is based on branch pci/ecam-v6
> It can be found here:
> https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git(pci/ecam-v6)
>
> This patchset has been tested on HiSilicon D03 board.
> The dmesg log, /proc/iomem, and ACPI table information can be found:
> https://bugzilla.kernel.org/show_bug.cgi?id=187961
>
> v5 -> v6:
> - change the config option to CONFIG_PCI_ECAM_QUIRKS.
> - fix some commets about acpi_get_rc_resources().

Could you post out v7 for fixing conflicts against current linus tree?

BTW, I tried to fix the conflicts by myself, but still caues the following
build failure:

[tom@linux-2.6-vm]$make -j4 CROSS_COMPILE=aarch64-linux-gnu-
ARCH=arm64 drivers/pci/host/pcie-hisi-acpi.o
  CHK     include/config/kernel.release
  CHK     include/generated/uapi/linux/version.h
  CHK     include/generated/utsrelease.h
  CHK     include/generated/timeconst.h
  CHK     include/generated/bounds.h
  CHK     include/generated/asm-offsets.h
  CALL    scripts/checksyscalls.sh
  CC      drivers/pci/host/pcie-hisi-acpi.o
In file included from drivers/pci/host/pcie-hisi-acpi.c:16:0:
drivers/pci/host/../pci.h:357:18: error: conflicting types for
‘acpi_get_rc_resources’
 struct resource *acpi_get_rc_resources(const char *hid, u16 segment);
                  ^
drivers/pci/host/../pci.h:352:5: note: previous declaration of
‘acpi_get_rc_resources’ was here
 int acpi_get_rc_resources(struct device *dev, const char *hid, u16 segment,
     ^
scripts/Makefile.build:293: recipe for target
'drivers/pci/host/pcie-hisi-acpi.o' failed
make[1]: *** [drivers/pci/host/pcie-hisi-acpi.o] Error 1
Makefile:1640: recipe for target 'drivers/pci/host/pcie-hisi-acpi.o' failed
make: *** [drivers/pci/host/pcie-hisi-acpi.o] Error 2


Thanks,
Ming

>
> v4 -> v5:
> - obtain rc base addresses from PNP0C02 at the root of the ACPI
>   namespace (under \_SB) instead of from sub-device under the RC.
> - merge the rewrited get rc resources code by Tomasz.
> - delete unused code.
> - drop the PATCH V4 1/2, will rework late as a separate patch.
>
> v3 -> v4:
> - rebase on pci/ecam-v6.
> - delete the unnecessary link_up check code.
>
> v2 -> v3:
> - rebase against 4.9-rc1 and add Tomasz quirks V6 pathcset.
> - obtain rc base addresses from PNP0C02 as subdevice of PNP0A03 instead of
>   hardcode the addresses.
> - modify hisi_pcie_acpi_rd_conf/hisi_pcie_acpi_wr_conf() according to
>   Arnd comments.
>
> v1 -> v2:
> - rebase against Tomasz RFC V5 quirk mechanism
> - add ACPI support for the HiSilicon Hip07 SoC PCIe controllers.
>
> Dongdong Liu (2):
>   PCI/ACPI: Provide acpi_get_rc_resources() for ARM64 platform
>   PCI/ACPI: hisi: Add ACPI support for HiSilicon SoCs Host Controllers
>
>  MAINTAINERS                       |   1 +
>  drivers/acpi/pci_mcfg.c           |  13 +++++
>  drivers/pci/host/Kconfig          |   7 +++
>  drivers/pci/host/Makefile         |   1 +
>  drivers/pci/host/pcie-hisi-acpi.c | 119 ++++++++++++++++++++++++++++++++++++++
>  drivers/pci/pci-acpi.c            |  69 ++++++++++++++++++++++
>  drivers/pci/pci.h                 |   4 ++
>  include/linux/pci-ecam.h          |   5 ++
>  8 files changed, 219 insertions(+)
>  create mode 100644 drivers/pci/host/pcie-hisi-acpi.c
>
> --
> 1.9.1
>



-- 
Ming Lei
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