linux-kernel - Re: [PATCH] RISC-V: defconfig: enable MMC & SPI for RISC-V

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Date:   Wed, 26 Jun 2019 00:58:58 -0700 (PDT)
From:   Palmer Dabbelt <palmer@...ive.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@...infault.org, linux-riscv@...ts.infradead.org,
        Olof Johansson <olof@...om.net>, tglx@...utronix.de
Subject:     Re: [PATCH] RISC-V: defconfig: enable MMC & SPI for RISC-V

On Tue, 25 Jun 2019 15:56:36 PDT (-0700), Atish Patra wrote:
> Currently, riscv upstream defconfig doesn't let you boot
> through userspace if rootfs is on the SD card.
>
> Let's enable MMC & SPI drivers as well so that one can boot
> to the user space using default config in upstream kernel.
>
> Signed-off-by: Atish Patra <atish.patra@....com>
> ---
>  arch/riscv/configs/defconfig | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/arch/riscv/configs/defconfig b/arch/riscv/configs/defconfig
> index 4f02967e55de..04944fb4fa7a 100644
> --- a/arch/riscv/configs/defconfig
> +++ b/arch/riscv/configs/defconfig
> @@ -69,6 +69,7 @@ CONFIG_VIRTIO_MMIO=y
>  CONFIG_CLK_SIFIVE=y
>  CONFIG_CLK_SIFIVE_FU540_PRCI=y
>  CONFIG_SIFIVE_PLIC=y
> +CONFIG_SPI_SIFIVE=y
>  CONFIG_EXT4_FS=y
>  CONFIG_EXT4_FS_POSIX_ACL=y
>  CONFIG_AUTOFS4_FS=y
> @@ -84,4 +85,8 @@ CONFIG_ROOT_NFS=y
>  CONFIG_CRYPTO_USER_API_HASH=y
>  CONFIG_CRYPTO_DEV_VIRTIO=y
>  CONFIG_PRINTK_TIME=y
> +CONFIG_SPI=y
> +CONFIG_MMC_SPI=y
> +CONFIG_MMC=y
> +CONFIG_DEVTMPFS_MOUNT=y
>  # CONFIG_RCU_TRACE is not set

Reviewed-by: Palmer Dabbelt <palmer@...ive.com>