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

From: Palmer Dabbelt
Date: Wed Jun 26 2019 - 03:59:03 EST


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@xxxxxxx>
---
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@xxxxxxxxxx>