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SubjectRE: [PATCH v5 1/7] PCI: rcar: Rename pcie-rcar.c to pcie-rcar-host.c
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Hi Prabhakar-san,

Thank you for the patch!

> From: Lad Prabhakar, Sent: Saturday, February 29, 2020 12:41 AM

Since your email account is different with the Singed-off-by,
I think you should add your From: tag here like your v2 patch series.

> This commit renames pcie-rcar.c to pcie-rcar-host.c in preparation for
> adding support for endpoint mode. CONFIG_PCIE_RCAR is also renamed to
> CONFIG_PCIE_RCAR_HOST to match the driver name accordingly.
>
> In addition to this defconfig file has also been updated to match the new
> config option.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> ---
> arch/arm64/configs/defconfig | 2 +-
> drivers/pci/controller/Kconfig | 7 ++++---
> drivers/pci/controller/Makefile | 2 +-
> drivers/pci/controller/{pcie-rcar.c => pcie-rcar-host.c} | 0
> 4 files changed, 6 insertions(+), 5 deletions(-)
> rename drivers/pci/controller/{pcie-rcar.c => pcie-rcar-host.c} (100%)
>
> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> index 0f21288..7a34fce 100644
> --- a/arch/arm64/configs/defconfig
> +++ b/arch/arm64/configs/defconfig
> @@ -185,7 +185,7 @@ CONFIG_HOTPLUG_PCI=y
> CONFIG_HOTPLUG_PCI_ACPI=y
> CONFIG_PCI_AARDVARK=y
> CONFIG_PCI_TEGRA=y
> -CONFIG_PCIE_RCAR=y
> +CONFIG_PCIE_RCAR_HOST=y

I think you should separate this change.
To avoid this, I have an idea in the Kconfig like below:
- adding PCIE_RCAR_HOST.
- keeping PCIE_RCAR and select PCIE_RCAR_HOST here.
- adding a description in the help of PCIE_RCAR like "This will be removed after defconfig is updated" is better.

The following is a sample. What do you think?
---
--- a/drivers/pci/controller/Kconfig
+++ b/drivers/pci/controller/Kconfig
@@ -58,8 +58,18 @@ config PCIE_RCAR
bool "Renesas R-Car PCIe controller"
depends on ARCH_RENESAS || COMPILE_TEST
depends on PCI_MSI_IRQ_DOMAIN
+ select PCIE_RCAR_HOST
help
Say Y here if you want PCIe controller support on R-Car SoCs.
+ This will be removed after defconfig is updated.
+
+config PCIE_RCAR_HOST
+ bool "Renesas R-Car PCIe host controller"
+ depends on ARCH_RENESAS || COMPILE_TEST
+ depends on PCI_MSI_IRQ_DOMAIN
+ help
+ Say Y here if you want PCIe controller support on R-Car SoCs in host
+ mode.

config PCI_HOST_COMMON
bool
---
Best regards,
Yoshihiro Shimoda

> CONFIG_PCI_HOST_GENERIC=y
> CONFIG_PCI_XGENE=y
> CONFIG_PCIE_ALTERA=y
> diff --git a/drivers/pci/controller/Kconfig b/drivers/pci/controller/Kconfig
> index f84e5ff..37e0ea7 100644
> --- a/drivers/pci/controller/Kconfig
> +++ b/drivers/pci/controller/Kconfig
> @@ -54,12 +54,13 @@ config PCI_RCAR_GEN2
> There are 3 internal PCI controllers available with a single
> built-in EHCI/OHCI host controller present on each one.
>
> -config PCIE_RCAR
> - bool "Renesas R-Car PCIe controller"
> +config PCIE_RCAR_HOST
> + bool "Renesas R-Car PCIe host controller"
> depends on ARCH_RENESAS || COMPILE_TEST
> depends on PCI_MSI_IRQ_DOMAIN
> help
> - Say Y here if you want PCIe controller support on R-Car SoCs.
> + Say Y here if you want PCIe controller support on R-Car SoCs in host
> + mode.
>
> config PCI_HOST_COMMON
> bool
> diff --git a/drivers/pci/controller/Makefile b/drivers/pci/controller/Makefile
> index 01b2502..4ca2da6 100644
> --- a/drivers/pci/controller/Makefile
> +++ b/drivers/pci/controller/Makefile
> @@ -7,7 +7,7 @@ obj-$(CONFIG_PCI_MVEBU) += pci-mvebu.o
> obj-$(CONFIG_PCI_AARDVARK) += pci-aardvark.o
> obj-$(CONFIG_PCI_TEGRA) += pci-tegra.o
> obj-$(CONFIG_PCI_RCAR_GEN2) += pci-rcar-gen2.o
> -obj-$(CONFIG_PCIE_RCAR) += pcie-rcar.o
> +obj-$(CONFIG_PCIE_RCAR_HOST) += pcie-rcar-host.o
> obj-$(CONFIG_PCI_HOST_COMMON) += pci-host-common.o
> obj-$(CONFIG_PCI_HOST_GENERIC) += pci-host-generic.o
> obj-$(CONFIG_PCIE_XILINX) += pcie-xilinx.o
> diff --git a/drivers/pci/controller/pcie-rcar.c b/drivers/pci/controller/pcie-rcar-host.c
> similarity index 100%
> rename from drivers/pci/controller/pcie-rcar.c
> rename to drivers/pci/controller/pcie-rcar-host.c
> --
> 2.7.4

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