Re: [PATCH v5] PCI: add a new directory for designware core

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On Fri, Jan 06, 2017 at 06:22:48PM +0530, Kishon Vijay Abraham I wrote:
> Group all the PCI drivers that use designware core in dwc directory.
> dwc IP is capable of operating in both host mode and device mode and
> keeping it inside the *host* directory is misleading.
> 
> Cc: Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxxxxxxxxx>
> Cc: Minghuan Lian <minghuan.Lian@xxxxxxxxxxxxx>
> Cc: Mingkai Hu <mingkai.hu@xxxxxxxxxxxxx>
> Cc: Roy Zang <tie-fei.zang@xxxxxxxxxxxxx>
> Cc: Richard Zhu <hongxing.zhu@xxxxxxx>
> Cc: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
> Cc: Murali Karicheri <m-karicheri2@xxxxxx>
> Cc: Jingoo Han <jingoohan1@xxxxxxxxx>
> Cc: Joao Pinto <Joao.Pinto@xxxxxxxxxxxx>
> Cc: Pratyush Anand <pratyush.anand@xxxxxxxxx>
> Cc: Niklas Cassel <niklas.cassel@xxxxxxxx>
> Cc: Jesper Nilsson <jesper.nilsson@xxxxxxxx>
> Cc: Zhou Wang <wangzhou1@xxxxxxxxxxxxx>
> Cc: Gabriele Paoloni <gabriele.paoloni@xxxxxxxxxx>
> Cc: Stanimir Varbanov <svarbanov@xxxxxxxxxx>
> Acked-by: Jingoo Han <jingoohan1@xxxxxxxxx>
> Acked-By: Joao Pinto <jpinto@xxxxxxxxxxxx>
> Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>

I applied this to pci/host-designware.  I might have to do some
fiddling when merging everything together, but I intend to include
this for v4.11.  Thanks for your patience, Kishon!

> ---
> Changes from v4:
> *) modified Kconfig such that the user doesn't have to explicity
>    select PCIE_DW.
> 
> Changes from v3:
> *) Moved pci-keystone.h to dwc directory which was missed earlier
> 
> Changes from v2:
> *) update MAINTAINERS file
> 
> Changes from v1:
> *) instead of renaming *host* directory to *controller* directory,
>    move all the dwc drivers to dwc/ directory.
> Next Steps:
> Split pcie-designware.c to core, host-only and endpoint-only files.
> 
>  MAINTAINERS                                      |   22 ++--
>  drivers/pci/Kconfig                              |    1 +
>  drivers/pci/Makefile                             |    3 +
>  drivers/pci/dwc/Kconfig                          |  117 ++++++++++++++++++++++
>  drivers/pci/dwc/Makefile                         |   23 +++++
>  drivers/pci/{host => dwc}/pci-dra7xx.c           |    0
>  drivers/pci/{host => dwc}/pci-exynos.c           |    0
>  drivers/pci/{host => dwc}/pci-imx6.c             |    0
>  drivers/pci/{host => dwc}/pci-keystone-dw.c      |    0
>  drivers/pci/{host => dwc}/pci-keystone.c         |    0
>  drivers/pci/{host => dwc}/pci-keystone.h         |    0
>  drivers/pci/{host => dwc}/pci-layerscape.c       |    0
>  drivers/pci/{host => dwc}/pcie-armada8k.c        |    0
>  drivers/pci/{host => dwc}/pcie-artpec6.c         |    0
>  drivers/pci/{host => dwc}/pcie-designware-plat.c |    0
>  drivers/pci/{host => dwc}/pcie-designware.c      |    0
>  drivers/pci/{host => dwc}/pcie-designware.h      |    0
>  drivers/pci/{host => dwc}/pcie-hisi.c            |    0
>  drivers/pci/{host => dwc}/pcie-qcom.c            |    0
>  drivers/pci/{host => dwc}/pcie-spear13xx.c       |    0
>  drivers/pci/host/Kconfig                         |  113 ---------------------
>  drivers/pci/host/Makefile                        |   12 ---
>  22 files changed, 155 insertions(+), 136 deletions(-)
>  create mode 100644 drivers/pci/dwc/Kconfig
>  create mode 100644 drivers/pci/dwc/Makefile
>  rename drivers/pci/{host => dwc}/pci-dra7xx.c (100%)
>  rename drivers/pci/{host => dwc}/pci-exynos.c (100%)
>  rename drivers/pci/{host => dwc}/pci-imx6.c (100%)
>  rename drivers/pci/{host => dwc}/pci-keystone-dw.c (100%)
>  rename drivers/pci/{host => dwc}/pci-keystone.c (100%)
>  rename drivers/pci/{host => dwc}/pci-keystone.h (100%)
>  rename drivers/pci/{host => dwc}/pci-layerscape.c (100%)
>  rename drivers/pci/{host => dwc}/pcie-armada8k.c (100%)
>  rename drivers/pci/{host => dwc}/pcie-artpec6.c (100%)
>  rename drivers/pci/{host => dwc}/pcie-designware-plat.c (100%)
>  rename drivers/pci/{host => dwc}/pcie-designware.c (100%)
>  rename drivers/pci/{host => dwc}/pcie-designware.h (100%)
>  rename drivers/pci/{host => dwc}/pcie-hisi.c (100%)
>  rename drivers/pci/{host => dwc}/pcie-qcom.c (100%)
>  rename drivers/pci/{host => dwc}/pcie-spear13xx.c (100%)
> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index cfff2c9..8672f18 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -9429,7 +9429,7 @@ L:	linux-pci@xxxxxxxxxxxxxxx
>  L:	linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
>  S:	Maintained
>  F:	Documentation/devicetree/bindings/pci/pci-armada8k.txt
> -F:	drivers/pci/host/pcie-armada8k.c
> +F:	drivers/pci/dwc/pcie-armada8k.c
>  
>  PCI DRIVER FOR APPLIEDMICRO XGENE
>  M:	Tanmay Inamdar <tinamdar@xxxxxxx>
> @@ -9447,7 +9447,7 @@ L:	linuxppc-dev@xxxxxxxxxxxxxxxx
>  L:	linux-pci@xxxxxxxxxxxxxxx
>  L:	linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
>  S:	Maintained
> -F:	drivers/pci/host/*layerscape*
> +F:	drivers/pci/dwc/*layerscape*
>  
>  PCI DRIVER FOR IMX6
>  M:	Richard Zhu <hongxing.zhu@xxxxxxx>
> @@ -9456,14 +9456,14 @@ L:	linux-pci@xxxxxxxxxxxxxxx
>  L:	linux-arm-kernel@xxxxxxxxxxxxxxxxxxx (moderated for non-subscribers)
>  S:	Maintained
>  F:	Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt
> -F:	drivers/pci/host/*imx6*
> +F:	drivers/pci/dwc/*imx6*
>  
>  PCI DRIVER FOR TI KEYSTONE
>  M:	Murali Karicheri <m-karicheri2@xxxxxx>
>  L:	linux-pci@xxxxxxxxxxxxxxx
>  L:	linux-arm-kernel@xxxxxxxxxxxxxxxxxxx (moderated for non-subscribers)
>  S:	Maintained
> -F:	drivers/pci/host/*keystone*
> +F:	drivers/pci/dwc/*keystone*
>  
>  PCI DRIVER FOR MVEBU (Marvell Armada 370 and Armada XP SOC support)
>  M:	Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxxxxxxxxx>
> @@ -9495,7 +9495,7 @@ L:	linux-omap@xxxxxxxxxxxxxxx
>  L:	linux-pci@xxxxxxxxxxxxxxx
>  S:	Supported
>  F:	Documentation/devicetree/bindings/pci/ti-pci.txt
> -F:	drivers/pci/host/pci-dra7xx.c
> +F:	drivers/pci/dwc/pci-dra7xx.c
>  
>  PCI DRIVER FOR RENESAS R-CAR
>  M:	Simon Horman <horms@xxxxxxxxxxxx>
> @@ -9510,7 +9510,7 @@ L:	linux-pci@xxxxxxxxxxxxxxx
>  L:	linux-arm-kernel@xxxxxxxxxxxxxxxxxxx (moderated for non-subscribers)
>  L:	linux-samsung-soc@xxxxxxxxxxxxxxx (moderated for non-subscribers)
>  S:	Maintained
> -F:	drivers/pci/host/pci-exynos.c
> +F:	drivers/pci/dwc/pci-exynos.c
>  
>  PCI DRIVER FOR SYNOPSIS DESIGNWARE
>  M:	Jingoo Han <jingoohan1@xxxxxxxxx>
> @@ -9518,7 +9518,7 @@ M:	Joao Pinto <Joao.Pinto@xxxxxxxxxxxx>
>  L:	linux-pci@xxxxxxxxxxxxxxx
>  S:	Maintained
>  F:	Documentation/devicetree/bindings/pci/designware-pcie.txt
> -F:	drivers/pci/host/*designware*
> +F:	drivers/pci/dwc/*designware*
>  
>  PCI DRIVER FOR GENERIC OF HOSTS
>  M:	Will Deacon <will.deacon@xxxxxxx>
> @@ -9539,7 +9539,7 @@ PCIE DRIVER FOR ST SPEAR13XX
>  M:	Pratyush Anand <pratyush.anand@xxxxxxxxx>
>  L:	linux-pci@xxxxxxxxxxxxxxx
>  S:	Maintained
> -F:	drivers/pci/host/*spear*
> +F:	drivers/pci/dwc/*spear*
>  
>  PCI MSI DRIVER FOR ALTERA MSI IP
>  M:	Ley Foon Tan <lftan@xxxxxxxxxx>
> @@ -9564,7 +9564,7 @@ L:	linux-arm-kernel@xxxxxxxx
>  L:	linux-pci@xxxxxxxxxxxxxxx
>  S:	Maintained
>  F:	Documentation/devicetree/bindings/pci/axis,artpec*
> -F:	drivers/pci/host/*artpec*
> +F:	drivers/pci/dwc/*artpec*
>  
>  PCIE DRIVER FOR HISILICON
>  M:	Zhou Wang <wangzhou1@xxxxxxxxxxxxx>
> @@ -9572,7 +9572,7 @@ M:	Gabriele Paoloni <gabriele.paoloni@xxxxxxxxxx>
>  L:	linux-pci@xxxxxxxxxxxxxxx
>  S:	Maintained
>  F:	Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
> -F:	drivers/pci/host/pcie-hisi.c
> +F:	drivers/pci/dwc/pcie-hisi.c
>  
>  PCIE DRIVER FOR ROCKCHIP
>  M:	Shawn Lin <shawn.lin@xxxxxxxxxxxxxx>
> @@ -9588,7 +9588,7 @@ M:     Stanimir Varbanov <svarbanov@xxxxxxxxxx>
>  L:     linux-pci@xxxxxxxxxxxxxxx
>  L:     linux-arm-msm@xxxxxxxxxxxxxxx
>  S:     Maintained
> -F:     drivers/pci/host/*qcom*
> +F:     drivers/pci/dwc/*qcom*
>  
>  PCIE DRIVER FOR CAVIUM THUNDERX
>  M:	David Daney <david.daney@xxxxxxxxxx>
> diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
> index 6555eb7..df14142 100644
> --- a/drivers/pci/Kconfig
> +++ b/drivers/pci/Kconfig
> @@ -132,4 +132,5 @@ config PCI_HYPERV
>            PCI devices from a PCI backend to support PCI driver domains.
>  
>  source "drivers/pci/hotplug/Kconfig"
> +source "drivers/pci/dwc/Kconfig"
>  source "drivers/pci/host/Kconfig"
> diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
> index 8db5079..b7e9751 100644
> --- a/drivers/pci/Makefile
> +++ b/drivers/pci/Makefile
> @@ -66,5 +66,8 @@ obj-$(CONFIG_OF) += of.o
>  
>  ccflags-$(CONFIG_PCI_DEBUG) := -DDEBUG
>  
> +# PCI dwc controller drivers
> +obj-y += dwc/
> +
>  # PCI host controller drivers
>  obj-y += host/
> diff --git a/drivers/pci/dwc/Kconfig b/drivers/pci/dwc/Kconfig
> new file mode 100644
> index 0000000..deae261
> --- /dev/null
> +++ b/drivers/pci/dwc/Kconfig
> @@ -0,0 +1,117 @@
> +menu "DesignWare PCI Core Support"
> +	depends on PCI
> +
> +config PCIE_DW
> +	bool
> +	depends on PCI_MSI_IRQ_DOMAIN
> +
> +config PCI_DRA7XX
> +	bool "TI DRA7xx PCIe controller"
> +	depends on OF && HAS_IOMEM && TI_PIPE3
> +	depends on PCI_MSI_IRQ_DOMAIN
> +	select PCIE_DW
> +	help
> +	 Enables support for the PCIe controller in the DRA7xx SoC.  There
> +	 are two instances of PCIe controller in DRA7xx.  This controller can
> +	 act both as EP and RC.  This reuses the Designware core.
> +
> +config PCIE_DW_PLAT
> +	bool "Platform bus based DesignWare PCIe Controller"
> +	depends on PCI_MSI_IRQ_DOMAIN
> +	select PCIE_DW
> +	---help---
> +	 This selects the DesignWare PCIe controller support. Select this if
> +	 you have a PCIe controller on Platform bus.
> +
> +	 If you have a controller with this interface, say Y or M here.
> +
> +	 If unsure, say N.
> +
> +config PCI_EXYNOS
> +	bool "Samsung Exynos PCIe controller"
> +	depends on SOC_EXYNOS5440
> +	depends on PCI_MSI_IRQ_DOMAIN
> +	select PCIEPORTBUS
> +	select PCIE_DW
> +
> +config PCI_IMX6
> +	bool "Freescale i.MX6 PCIe controller"
> +	depends on SOC_IMX6Q
> +	depends on PCI_MSI_IRQ_DOMAIN
> +	select PCIEPORTBUS
> +	select PCIE_DW
> +
> +config PCIE_SPEAR13XX
> +	bool "STMicroelectronics SPEAr PCIe controller"
> +	depends on ARCH_SPEAR13XX
> +	depends on PCI_MSI_IRQ_DOMAIN
> +	select PCIEPORTBUS
> +	select PCIE_DW
> +	help
> +	  Say Y here if you want PCIe support on SPEAr13XX SoCs.
> +
> +config PCI_KEYSTONE
> +	bool "TI Keystone PCIe controller"
> +	depends on ARCH_KEYSTONE
> +	depends on PCI_MSI_IRQ_DOMAIN
> +	select PCIEPORTBUS
> +	select PCIE_DW
> +	help
> +	  Say Y here if you want to enable PCI controller support on Keystone
> +	  SoCs. The PCI controller on Keystone is based on Designware hardware
> +	  and therefore the driver re-uses the Designware core functions to
> +	  implement the driver.
> +
> +config PCI_LAYERSCAPE
> +	bool "Freescale Layerscape PCIe controller"
> +	depends on OF && (ARM || ARCH_LAYERSCAPE)
> +	depends on PCI_MSI_IRQ_DOMAIN
> +	select MFD_SYSCON
> +	select PCIE_DW
> +	help
> +	  Say Y here if you want PCIe controller support on Layerscape SoCs.
> +
> +config PCI_HISI
> +	depends on OF && ARM64
> +	bool "HiSilicon Hip05 and Hip06 SoCs PCIe controllers"
> +	depends on PCI_MSI_IRQ_DOMAIN
> +	select PCIEPORTBUS
> +	select PCIE_DW
> +	help
> +	  Say Y here if you want PCIe controller support on HiSilicon
> +	  Hip05 and Hip06 SoCs
> +
> +config PCIE_QCOM
> +	bool "Qualcomm PCIe controller"
> +	depends on ARCH_QCOM && OF
> +	depends on PCI_MSI_IRQ_DOMAIN
> +	select PCIEPORTBUS
> +	select PCIE_DW
> +	help
> +	  Say Y here to enable PCIe controller support on Qualcomm SoCs. The
> +	  PCIe controller uses the Designware core plus Qualcomm-specific
> +	  hardware wrappers.
> +
> +config PCIE_ARMADA_8K
> +	bool "Marvell Armada-8K PCIe controller"
> +	depends on ARCH_MVEBU
> +	depends on PCI_MSI_IRQ_DOMAIN
> +	select PCIEPORTBUS
> +	select PCIE_DW
> +	help
> +	  Say Y here if you want to enable PCIe controller support on
> +	  Armada-8K SoCs. The PCIe controller on Armada-8K is based on
> +	  Designware hardware and therefore the driver re-uses the
> +	  Designware core functions to implement the driver.
> +
> +config PCIE_ARTPEC6
> +	bool "Axis ARTPEC-6 PCIe controller"
> +	depends on MACH_ARTPEC6
> +	depends on PCI_MSI_IRQ_DOMAIN
> +	select PCIEPORTBUS
> +	select PCIE_DW
> +	help
> +	  Say Y here to enable PCIe controller support on Axis ARTPEC-6
> +	  SoCs.  This PCIe controller uses the DesignWare core.
> +
> +endmenu
> diff --git a/drivers/pci/dwc/Makefile b/drivers/pci/dwc/Makefile
> new file mode 100644
> index 0000000..7d27c14
> --- /dev/null
> +++ b/drivers/pci/dwc/Makefile
> @@ -0,0 +1,23 @@
> +obj-$(CONFIG_PCIE_DW) += pcie-designware.o
> +obj-$(CONFIG_PCIE_DW_PLAT) += pcie-designware-plat.o
> +obj-$(CONFIG_PCI_DRA7XX) += pci-dra7xx.o
> +obj-$(CONFIG_PCI_EXYNOS) += pci-exynos.o
> +obj-$(CONFIG_PCI_IMX6) += pci-imx6.o
> +obj-$(CONFIG_PCIE_SPEAR13XX) += pcie-spear13xx.o
> +obj-$(CONFIG_PCI_KEYSTONE) += pci-keystone-dw.o pci-keystone.o
> +obj-$(CONFIG_PCI_LAYERSCAPE) += pci-layerscape.o
> +obj-$(CONFIG_PCIE_QCOM) += pcie-qcom.o
> +obj-$(CONFIG_PCIE_ARMADA_8K) += pcie-armada8k.o
> +obj-$(CONFIG_PCIE_ARTPEC6) += pcie-artpec6.o
> +
> +# The following drivers are for devices that use the generic ACPI
> +# pci_root.c driver but don't support standard ECAM config access.
> +# They contain MCFG quirks to replace the generic ECAM accessors with
> +# device-specific ones that are shared with the DT driver.
> +
> +# The ACPI driver is generic and should not require driver-specific
> +# config options to be enabled, so we always build these drivers on
> +# ARM64 and use internal ifdefs to only build the pieces we need
> +# depending on whether ACPI, the DT driver, or both are enabled.
> +
> +obj-$(CONFIG_ARM64) += pcie-hisi.o
> diff --git a/drivers/pci/host/pci-dra7xx.c b/drivers/pci/dwc/pci-dra7xx.c
> similarity index 100%
> rename from drivers/pci/host/pci-dra7xx.c
> rename to drivers/pci/dwc/pci-dra7xx.c
> diff --git a/drivers/pci/host/pci-exynos.c b/drivers/pci/dwc/pci-exynos.c
> similarity index 100%
> rename from drivers/pci/host/pci-exynos.c
> rename to drivers/pci/dwc/pci-exynos.c
> diff --git a/drivers/pci/host/pci-imx6.c b/drivers/pci/dwc/pci-imx6.c
> similarity index 100%
> rename from drivers/pci/host/pci-imx6.c
> rename to drivers/pci/dwc/pci-imx6.c
> diff --git a/drivers/pci/host/pci-keystone-dw.c b/drivers/pci/dwc/pci-keystone-dw.c
> similarity index 100%
> rename from drivers/pci/host/pci-keystone-dw.c
> rename to drivers/pci/dwc/pci-keystone-dw.c
> diff --git a/drivers/pci/host/pci-keystone.c b/drivers/pci/dwc/pci-keystone.c
> similarity index 100%
> rename from drivers/pci/host/pci-keystone.c
> rename to drivers/pci/dwc/pci-keystone.c
> diff --git a/drivers/pci/host/pci-keystone.h b/drivers/pci/dwc/pci-keystone.h
> similarity index 100%
> rename from drivers/pci/host/pci-keystone.h
> rename to drivers/pci/dwc/pci-keystone.h
> diff --git a/drivers/pci/host/pci-layerscape.c b/drivers/pci/dwc/pci-layerscape.c
> similarity index 100%
> rename from drivers/pci/host/pci-layerscape.c
> rename to drivers/pci/dwc/pci-layerscape.c
> diff --git a/drivers/pci/host/pcie-armada8k.c b/drivers/pci/dwc/pcie-armada8k.c
> similarity index 100%
> rename from drivers/pci/host/pcie-armada8k.c
> rename to drivers/pci/dwc/pcie-armada8k.c
> diff --git a/drivers/pci/host/pcie-artpec6.c b/drivers/pci/dwc/pcie-artpec6.c
> similarity index 100%
> rename from drivers/pci/host/pcie-artpec6.c
> rename to drivers/pci/dwc/pcie-artpec6.c
> diff --git a/drivers/pci/host/pcie-designware-plat.c b/drivers/pci/dwc/pcie-designware-plat.c
> similarity index 100%
> rename from drivers/pci/host/pcie-designware-plat.c
> rename to drivers/pci/dwc/pcie-designware-plat.c
> diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/dwc/pcie-designware.c
> similarity index 100%
> rename from drivers/pci/host/pcie-designware.c
> rename to drivers/pci/dwc/pcie-designware.c
> diff --git a/drivers/pci/host/pcie-designware.h b/drivers/pci/dwc/pcie-designware.h
> similarity index 100%
> rename from drivers/pci/host/pcie-designware.h
> rename to drivers/pci/dwc/pcie-designware.h
> diff --git a/drivers/pci/host/pcie-hisi.c b/drivers/pci/dwc/pcie-hisi.c
> similarity index 100%
> rename from drivers/pci/host/pcie-hisi.c
> rename to drivers/pci/dwc/pcie-hisi.c
> diff --git a/drivers/pci/host/pcie-qcom.c b/drivers/pci/dwc/pcie-qcom.c
> similarity index 100%
> rename from drivers/pci/host/pcie-qcom.c
> rename to drivers/pci/dwc/pcie-qcom.c
> diff --git a/drivers/pci/host/pcie-spear13xx.c b/drivers/pci/dwc/pcie-spear13xx.c
> similarity index 100%
> rename from drivers/pci/host/pcie-spear13xx.c
> rename to drivers/pci/dwc/pcie-spear13xx.c
> diff --git a/drivers/pci/host/Kconfig b/drivers/pci/host/Kconfig
> index 898d2c4..f7c1d4d 100644
> --- a/drivers/pci/host/Kconfig
> +++ b/drivers/pci/host/Kconfig
> @@ -1,16 +1,6 @@
>  menu "PCI host controller drivers"
>  	depends on PCI
>  
> -config PCI_DRA7XX
> -	bool "TI DRA7xx PCIe controller"
> -	depends on OF && HAS_IOMEM && TI_PIPE3
> -	depends on PCI_MSI_IRQ_DOMAIN
> -	select PCIE_DW
> -	help
> -	 Enables support for the PCIe controller in the DRA7xx SoC.  There
> -	 are two instances of PCIe controller in DRA7xx.  This controller can
> -	 act both as EP and RC.  This reuses the Designware core.
> -
>  config PCI_MVEBU
>  	bool "Marvell EBU PCIe controller"
>  	depends on ARCH_MVEBU || ARCH_DOVE
> @@ -37,36 +27,6 @@ config PCIE_XILINX_NWL
>  	 or End Point. The current option selection will only
>  	 support root port enabling.
>  
> -config PCIE_DW_PLAT
> -	bool "Platform bus based DesignWare PCIe Controller"
> -	depends on PCI_MSI_IRQ_DOMAIN
> -	select PCIE_DW
> -	---help---
> -	 This selects the DesignWare PCIe controller support. Select this if
> -	 you have a PCIe controller on Platform bus.
> -
> -	 If you have a controller with this interface, say Y or M here.
> -
> -	 If unsure, say N.
> -
> -config PCIE_DW
> -	bool
> -	depends on PCI_MSI_IRQ_DOMAIN
> -
> -config PCI_EXYNOS
> -	bool "Samsung Exynos PCIe controller"
> -	depends on SOC_EXYNOS5440
> -	depends on PCI_MSI_IRQ_DOMAIN
> -	select PCIEPORTBUS
> -	select PCIE_DW
> -
> -config PCI_IMX6
> -	bool "Freescale i.MX6 PCIe controller"
> -	depends on SOC_IMX6Q
> -	depends on PCI_MSI_IRQ_DOMAIN
> -	select PCIEPORTBUS
> -	select PCIE_DW
> -
>  config PCI_TEGRA
>  	bool "NVIDIA Tegra PCIe controller"
>  	depends on ARCH_TEGRA
> @@ -103,27 +63,6 @@ config PCI_HOST_GENERIC
>  	  Say Y here if you want to support a simple generic PCI host
>  	  controller, such as the one emulated by kvmtool.
>  
> -config PCIE_SPEAR13XX
> -	bool "STMicroelectronics SPEAr PCIe controller"
> -	depends on ARCH_SPEAR13XX
> -	depends on PCI_MSI_IRQ_DOMAIN
> -	select PCIEPORTBUS
> -	select PCIE_DW
> -	help
> -	  Say Y here if you want PCIe support on SPEAr13XX SoCs.
> -
> -config PCI_KEYSTONE
> -	bool "TI Keystone PCIe controller"
> -	depends on ARCH_KEYSTONE
> -	depends on PCI_MSI_IRQ_DOMAIN
> -	select PCIE_DW
> -	select PCIEPORTBUS
> -	help
> -	  Say Y here if you want to enable PCI controller support on Keystone
> -	  SoCs. The PCI controller on Keystone is based on Designware hardware
> -	  and therefore the driver re-uses the Designware core functions to
> -	  implement the driver.
> -
>  config PCIE_XILINX
>  	bool "Xilinx AXI PCIe host bridge support"
>  	depends on ARCH_ZYNQ || MICROBLAZE
> @@ -150,15 +89,6 @@ config PCI_XGENE_MSI
>  	  Say Y here if you want PCIe MSI support for the APM X-Gene v1 SoC.
>  	  This MSI driver supports 5 PCIe ports on the APM X-Gene v1 SoC.
>  
> -config PCI_LAYERSCAPE
> -	bool "Freescale Layerscape PCIe controller"
> -	depends on OF && (ARM || ARCH_LAYERSCAPE)
> -	depends on PCI_MSI_IRQ_DOMAIN
> -	select PCIE_DW
> -	select MFD_SYSCON
> -	help
> -	  Say Y here if you want PCIe controller support on Layerscape SoCs.
> -
>  config PCI_VERSATILE
>  	bool "ARM Versatile PB PCI controller"
>  	depends on ARCH_VERSATILE
> @@ -217,27 +147,6 @@ config PCIE_ALTERA_MSI
>  	  Say Y here if you want PCIe MSI support for the Altera FPGA.
>  	  This MSI driver supports Altera MSI to GIC controller IP.
>  
> -config PCI_HISI
> -	depends on OF && ARM64
> -	bool "HiSilicon Hip05 and Hip06 SoCs PCIe controllers"
> -	depends on PCI_MSI_IRQ_DOMAIN
> -	select PCIEPORTBUS
> -	select PCIE_DW
> -	help
> -	  Say Y here if you want PCIe controller support on HiSilicon
> -	  Hip05 and Hip06 SoCs
> -
> -config PCIE_QCOM
> -	bool "Qualcomm PCIe controller"
> -	depends on ARCH_QCOM && OF
> -	depends on PCI_MSI_IRQ_DOMAIN
> -	select PCIE_DW
> -	select PCIEPORTBUS
> -	help
> -	  Say Y here to enable PCIe controller support on Qualcomm SoCs. The
> -	  PCIe controller uses the Designware core plus Qualcomm-specific
> -	  hardware wrappers.
> -
>  config PCI_HOST_THUNDER_PEM
>  	bool "Cavium Thunder PCIe controller to off-chip devices"
>  	depends on ARM64
> @@ -254,28 +163,6 @@ config PCI_HOST_THUNDER_ECAM
>  	help
>  	  Say Y here if you want ECAM support for CN88XX-Pass-1.x Cavium Thunder SoCs.
>  
> -config PCIE_ARMADA_8K
> -	bool "Marvell Armada-8K PCIe controller"
> -	depends on ARCH_MVEBU
> -	depends on PCI_MSI_IRQ_DOMAIN
> -	select PCIE_DW
> -	select PCIEPORTBUS
> -	help
> -	  Say Y here if you want to enable PCIe controller support on
> -	  Armada-8K SoCs. The PCIe controller on Armada-8K is based on
> -	  Designware hardware and therefore the driver re-uses the
> -	  Designware core functions to implement the driver.
> -
> -config PCIE_ARTPEC6
> -	bool "Axis ARTPEC-6 PCIe controller"
> -	depends on MACH_ARTPEC6
> -	depends on PCI_MSI_IRQ_DOMAIN
> -	select PCIE_DW
> -	select PCIEPORTBUS
> -	help
> -	  Say Y here to enable PCIe controller support on Axis ARTPEC-6
> -	  SoCs.  This PCIe controller uses the DesignWare core.
> -
>  config PCIE_ROCKCHIP
>  	bool "Rockchip PCIe controller"
>  	depends on ARCH_ROCKCHIP || COMPILE_TEST
> diff --git a/drivers/pci/host/Makefile b/drivers/pci/host/Makefile
> index bfe3179..4d36866 100644
> --- a/drivers/pci/host/Makefile
> +++ b/drivers/pci/host/Makefile
> @@ -1,8 +1,3 @@
> -obj-$(CONFIG_PCIE_DW) += pcie-designware.o
> -obj-$(CONFIG_PCIE_DW_PLAT) += pcie-designware-plat.o
> -obj-$(CONFIG_PCI_DRA7XX) += pci-dra7xx.o
> -obj-$(CONFIG_PCI_EXYNOS) += pci-exynos.o
> -obj-$(CONFIG_PCI_IMX6) += pci-imx6.o
>  obj-$(CONFIG_PCI_HYPERV) += pci-hyperv.o
>  obj-$(CONFIG_PCI_MVEBU) += pci-mvebu.o
>  obj-$(CONFIG_PCI_AARDVARK) += pci-aardvark.o
> @@ -11,12 +6,9 @@ obj-$(CONFIG_PCI_RCAR_GEN2) += pci-rcar-gen2.o
>  obj-$(CONFIG_PCIE_RCAR) += pcie-rcar.o
>  obj-$(CONFIG_PCI_HOST_COMMON) += pci-host-common.o
>  obj-$(CONFIG_PCI_HOST_GENERIC) += pci-host-generic.o
> -obj-$(CONFIG_PCIE_SPEAR13XX) += pcie-spear13xx.o
> -obj-$(CONFIG_PCI_KEYSTONE) += pci-keystone-dw.o pci-keystone.o
>  obj-$(CONFIG_PCIE_XILINX) += pcie-xilinx.o
>  obj-$(CONFIG_PCIE_XILINX_NWL) += pcie-xilinx-nwl.o
>  obj-$(CONFIG_PCI_XGENE_MSI) += pci-xgene-msi.o
> -obj-$(CONFIG_PCI_LAYERSCAPE) += pci-layerscape.o
>  obj-$(CONFIG_PCI_VERSATILE) += pci-versatile.o
>  obj-$(CONFIG_PCIE_IPROC) += pcie-iproc.o
>  obj-$(CONFIG_PCIE_IPROC_MSI) += pcie-iproc-msi.o
> @@ -24,9 +16,6 @@ obj-$(CONFIG_PCIE_IPROC_PLATFORM) += pcie-iproc-platform.o
>  obj-$(CONFIG_PCIE_IPROC_BCMA) += pcie-iproc-bcma.o
>  obj-$(CONFIG_PCIE_ALTERA) += pcie-altera.o
>  obj-$(CONFIG_PCIE_ALTERA_MSI) += pcie-altera-msi.o
> -obj-$(CONFIG_PCIE_QCOM) += pcie-qcom.o
> -obj-$(CONFIG_PCIE_ARMADA_8K) += pcie-armada8k.o
> -obj-$(CONFIG_PCIE_ARTPEC6) += pcie-artpec6.o
>  obj-$(CONFIG_PCIE_ROCKCHIP) += pcie-rockchip.o
>  obj-$(CONFIG_VMD) += vmd.o
>  
> @@ -40,7 +29,6 @@ obj-$(CONFIG_VMD) += vmd.o
>  # ARM64 and use internal ifdefs to only build the pieces we need
>  # depending on whether ACPI, the DT driver, or both are enabled.
>  
> -obj-$(CONFIG_ARM64) += pcie-hisi.o
>  obj-$(CONFIG_ARM64) += pci-thunder-ecam.o
>  obj-$(CONFIG_ARM64) += pci-thunder-pem.o
>  obj-$(CONFIG_ARM64) += pci-xgene.o
> -- 
> 1.7.9.5
> 



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