[PATCH 6/6] linux-yocto.inc: State riscv required tune_features

[Mark Hatle <mark.hatle@kernel.crashing.org>]

From: Mark Hatle <mark.hatle@amd.com>

Required:
   rv32ima_zicsr_zifencei
   rv64ima_zicsr_zifencei

See the arch/riscv/Makefile:

riscv-march-$(CONFIG_ARCH_RV32I)	:= rv32ima
riscv-march-$(CONFIG_ARCH_RV64I)	:= rv64ima
riscv-march-$(CONFIG_TOOLCHAIN_NEEDS_EXPLICIT_ZICSR_ZIFENCEI) := $(riscv-march-y)_zicsr_zifencei

Signed-off-by: Mark Hatle <mark.hatle@amd.com>
---
 meta/recipes-kernel/linux/linux-yocto.inc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/meta/recipes-kernel/linux/linux-yocto.inc b/meta/recipes-kernel/linux/linux-yocto.inc
index cdf2583698..80db85fe89 100644
--- a/meta/recipes-kernel/linux/linux-yocto.inc
+++ b/meta/recipes-kernel/linux/linux-yocto.inc
@@ -51,6 +51,11 @@ SRC_URI_RISCV = "\
 SRC_URI:append:riscv32 = "${SRC_URI_RISCV}"
 SRC_URI:append:riscv64 = "${SRC_URI_RISCV}"
 
+inherit features_check
+
+REQUIRED_TUNE_FEATURES:riscv32 = "rv 32 i m a zicsr zifencei"
+REQUIRED_TUNE_FEATURES:riscv64 = "rv 64 i m a zicsr zifencei"
+
 # A KMACHINE is the mapping of a yocto $MACHINE to what is built
 # by the kernel. This is typically the branch that should be built,
 # and it can be specific to the machine or shared
-- 
2.34.1