linux-kernel - Re: [PATCH 1/3] RISC-V: defconfig: Drop redundant SBI HVC and earlycon

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Date:   Thu, 31 Mar 2022 19:37:36 -0700 (PDT)
From:   Palmer Dabbelt <palmer@...osinc.com>
To:     linux-riscv@...ts.infradead.org
CC:     Paul Walmsley <paul.walmsley@...ive.com>, aou@...s.berkeley.edu,
        anup@...infault.org, heinrich.schuchardt@...onical.com,
        atishp@...shpatra.org, mchitale@...tanamicro.com,
        alexandre.ghiti@...onical.com, damien.lemoal@...nsource.wdc.com,
        axboe@...nel.dk, linux-riscv@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject:     Re: [PATCH 1/3] RISC-V: defconfig: Drop redundant SBI HVC and earlycon

On Wed, 30 Mar 2022 16:47:37 PDT (-0700), Palmer Dabbelt wrote:
> From: Palmer Dabbelt <palmer@...osinc.com>
>
> As of 3938d5a2f936 ("riscv: default to CONFIG_RISCV_SBI_V01=n") we no
> longer default to enabling SBI-0.1 support, so these dependent configs
> no longer have any effect.  Remove them to avoid clutter.
>
> Signed-off-by: Palmer Dabbelt <palmer@...osinc.com>
> ---
>  arch/riscv/configs/defconfig      | 2 --
>  arch/riscv/configs/rv32_defconfig | 2 --
>  2 files changed, 4 deletions(-)
>
> diff --git a/arch/riscv/configs/defconfig b/arch/riscv/configs/defconfig
> index 7cd10ded7bf8..74df9e1dd2d2 100644
> --- a/arch/riscv/configs/defconfig
> +++ b/arch/riscv/configs/defconfig
> @@ -64,8 +64,6 @@ CONFIG_INPUT_MOUSEDEV=y
>  CONFIG_SERIAL_8250=y
>  CONFIG_SERIAL_8250_CONSOLE=y
>  CONFIG_SERIAL_OF_PLATFORM=y
> -CONFIG_SERIAL_EARLYCON_RISCV_SBI=y
> -CONFIG_HVC_RISCV_SBI=y
>  CONFIG_VIRTIO_CONSOLE=y
>  CONFIG_HW_RANDOM=y
>  CONFIG_HW_RANDOM_VIRTIO=y
> diff --git a/arch/riscv/configs/rv32_defconfig b/arch/riscv/configs/rv32_defconfig
> index e0e5c7c09ab8..cabfd6a5b47b 100644
> --- a/arch/riscv/configs/rv32_defconfig
> +++ b/arch/riscv/configs/rv32_defconfig
> @@ -62,8 +62,6 @@ CONFIG_INPUT_MOUSEDEV=y
>  CONFIG_SERIAL_8250=y
>  CONFIG_SERIAL_8250_CONSOLE=y
>  CONFIG_SERIAL_OF_PLATFORM=y
> -CONFIG_SERIAL_EARLYCON_RISCV_SBI=y
> -CONFIG_HVC_RISCV_SBI=y
>  CONFIG_VIRTIO_CONSOLE=y
>  CONFIG_HW_RANDOM=y
>  CONFIG_HW_RANDOM_VIRTIO=y

This and #3 are on for-next, I'm holding off on #2 pending testing on 
the K210.