linux-kernel - Re: [PATCH] arm64: defconfig: Enable R-Car PCIe endpoint driver

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Message-ID: <CAMuHMdUohbEmw2g23OOTxNyTxU8t8TySuBo9q075H1eG9gOApQ@mail.gmail.com>
Date:   Wed, 15 Jul 2020 11:37:39 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Cc:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Prabhakar <prabhakar.csengg@...il.com>,
        Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH] arm64: defconfig: Enable R-Car PCIe endpoint driver

Hi Prabhakar,

CC Arnd

On Wed, Jul 8, 2020 at 8:54 PM Lad Prabhakar
<prabhakar.mahadev-lad.rj@...renesas.com> wrote:
> Enable R-Car PCIe endpoint driver on RZ/G2E board, including enabling
> endpoint configurations CONFIG_PCI_ENDPOINT, CONFIG_PCI_ENDPOINT_CONFIGFS,
> CONFIG_PCI_EPF_TEST and CONFIG_PCI_ENDPOINT_TEST required to use and test
> the driver.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

Thanks for your patch!

> --- a/arch/arm64/configs/defconfig
> +++ b/arch/arm64/configs/defconfig
> @@ -196,6 +196,7 @@ CONFIG_HOTPLUG_PCI_ACPI=y
>  CONFIG_PCI_AARDVARK=y
>  CONFIG_PCI_TEGRA=y
>  CONFIG_PCIE_RCAR_HOST=y
> +CONFIG_PCIE_RCAR_EP=y
>  CONFIG_PCI_HOST_GENERIC=y
>  CONFIG_PCI_XGENE=y
>  CONFIG_PCIE_ALTERA=y
> @@ -212,6 +213,9 @@ CONFIG_PCIE_ARMADA_8K=y
>  CONFIG_PCIE_KIRIN=y
>  CONFIG_PCIE_HISI_STB=y
>  CONFIG_PCIE_TEGRA194_HOST=m
> +CONFIG_PCI_ENDPOINT=y
> +CONFIG_PCI_ENDPOINT_CONFIGFS=y

It's a pity the above can't be modular.

> +CONFIG_PCI_EPF_TEST=y

But at least this one can, and should, IMHO.

>  CONFIG_DEVTMPFS=y
>  CONFIG_DEVTMPFS_MOUNT=y
>  CONFIG_FW_LOADER_USER_HELPER=y
> @@ -242,6 +246,7 @@ CONFIG_BLK_DEV_NBD=m
>  CONFIG_VIRTIO_BLK=y
>  CONFIG_BLK_DEV_NVME=m
>  CONFIG_SRAM=y
> +CONFIG_PCI_ENDPOINT_TEST=y

Same here.

>  CONFIG_EEPROM_AT24=m
>  CONFIG_EEPROM_AT25=m
>  CONFIG_UACCE=m

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds