diff options
author | Bin Meng <bmeng.cn@gmail.com> | 2020-03-06 00:44:17 -0800 |
---|---|---|
committer | Andes <uboot@andestech.com> | 2020-03-17 11:29:40 +0800 |
commit | f295e00c61100960182b3bbcf5d823bd51487420 (patch) | |
tree | d943561892face9246b66ce1e223ad6fa981c97c | |
parent | fe13692e23b3786d4de060a98c65c922385d6c70 (diff) |
riscv: Avoid calling sbi_clear_ipi()
There is no need for S-mode U-Boot to call sbi_clear_ipi() as it
can be cleared directly from S-mode. This saves some cycles.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Lukas Auer <lukas@auer.io>
-rw-r--r-- | arch/riscv/lib/sbi_ipi.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/riscv/lib/sbi_ipi.c b/arch/riscv/lib/sbi_ipi.c index 9a698ce74e..abafca9e5c 100644 --- a/arch/riscv/lib/sbi_ipi.c +++ b/arch/riscv/lib/sbi_ipi.c @@ -5,6 +5,7 @@ */ #include <common.h> +#include <asm/encoding.h> #include <asm/sbi.h> int riscv_send_ipi(int hart) @@ -19,7 +20,7 @@ int riscv_send_ipi(int hart) int riscv_clear_ipi(int hart) { - sbi_clear_ipi(); + csr_clear(CSR_SIP, SIP_SSIP); return 0; } |