linux-kernel - Re: [RFC PATCH 3/3] RISC-V: Enable Microchip PolarFire ICICLE SoC

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Date:   Thu, 05 Nov 2020 23:14:33 -0800 (PST)
From:   Palmer Dabbelt <palmer@...belt.com>
To:     Atish Patra <Atish.Patra@....com>
CC:     linux-kernel@...r.kernel.org, Atish Patra <Atish.Patra@....com>,
        aou@...s.berkeley.edu, Alistair Francis <Alistair.Francis@....com>,
        Anup Patel <Anup.Patel@....com>, devicetree@...r.kernel.org,
        linux-riscv@...ts.infradead.org,
        Paul Walmsley <paul.walmsley@...ive.com>, robh+dt@...nel.org,
        padmarao.begari@...rochip.com, daire.mcnamara@...rochip.com,
        Cyril.Jean@...rochip.com
Subject:     Re: [RFC PATCH 3/3] RISC-V: Enable Microchip PolarFire ICICLE SoC

On Wed, 28 Oct 2020 16:27:59 PDT (-0700), Atish Patra wrote:
> Enable Microchip PolarFire ICICLE soc config in defconfig.
> It allows the default upstream kernel to boot on PolarFire ICICLE board.

I don't actually have one of these to test on yet.  That said, if it boots for
you then I don't really see any reason to delay this -- maybe there's some
issues floating around, but I don't really see any reason to delay putting this
on for-next.  I'd even go so far as to say we should take it during the RCs, as
so far it's just build/DT stuff.

Given that this is currently the only production RISC-V Linux board I don't
really any reason not to add it to the defconfigs.

Is there a reason this is an RFC?

>
> Signed-off-by: Atish Patra <atish.patra@....com>
> ---
>  arch/riscv/configs/defconfig | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/arch/riscv/configs/defconfig b/arch/riscv/configs/defconfig
> index d222d353d86d..2660fa05451e 100644
> --- a/arch/riscv/configs/defconfig
> +++ b/arch/riscv/configs/defconfig
> @@ -16,6 +16,7 @@ CONFIG_EXPERT=y
>  CONFIG_BPF_SYSCALL=y
>  CONFIG_SOC_SIFIVE=y
>  CONFIG_SOC_VIRT=y
> +CONFIG_SOC_MICROCHIP_POLARFIRE=y
>  CONFIG_SMP=y
>  CONFIG_JUMP_LABEL=y
>  CONFIG_MODULES=y
> @@ -79,6 +80,9 @@ CONFIG_USB_OHCI_HCD=y
>  CONFIG_USB_OHCI_HCD_PLATFORM=y
>  CONFIG_USB_STORAGE=y
>  CONFIG_USB_UAS=y
> +CONFIG_SDHCI=y
> +CONFIG_MMC_SDHCI_PLTFM=y
> +CONFIG_MMC_SDHCI_CADENCE=y
>  CONFIG_MMC=y
>  CONFIG_MMC_SPI=y
>  CONFIG_RTC_CLASS=y

Reviewed-by: Palmer Dabbelt <palmerdabbelt@...gle.com>