[PATCH 2/2] 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 ---

arch/riscv/lib/sbi_ipi.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/riscv/lib/sbi_ipi.c b/arch/riscv/lib/sbi_ipi.c index 9a698ce..abafca9 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; }