diff options
| author |   Damien Le Moal <damien.lemoal@wdc.com> | 2019-10-28 13:10:33 +0100 |
|---|---|---|
| committer |   Paul Walmsley <paul.walmsley@sifive.com> | 2019-11-13 13:20:02 -0800 |
| commit | eded8bc66a0c2c43a1789ac6c973e2c5d47eac12 (patch) | |
| tree | 69141b205a7739d3b268a3e2fa30922ea7e428e3 /arch/riscv | |
| parent | riscv: abstract out CSR names for supervisor vs machine mode (diff) | |
| download | linux-dev-eded8bc66a0c2c43a1789ac6c973e2c5d47eac12.tar.xz linux-dev-eded8bc66a0c2c43a1789ac6c973e2c5d47eac12.zip | |
riscv: don't allow selecting SBI based drivers for M-mode
When running in M-mode we can't use SBI based drivers. Add a new
CONFIG_RISCV_SBI that drivers that do SBI calls can depend on
instead.
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
Diffstat (limited to 'arch/riscv')
| -rw-r--r-- | arch/riscv/Kconfig | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 86b7e8b0471c..b85492c42ccb 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -76,6 +76,12 @@ config ARCH_MMAP_RND_BITS_MAX config RISCV_M_MODE bool +# set if we are running in S-mode and can use SBI calls +config RISCV_SBI + bool + depends on !RISCV_M_MODE + default y + config MMU def_bool y |