| Message ID | 1583484257-8493-2-git-send-email-bmeng.cn@gmail.com |
|---|---|
| State | Accepted |
| Commit | f295e00c61100960182b3bbcf5d823bd51487420 |
| Headers | show |
| Series | [1/2] riscv: Fix sbi_remote_sfence_vma{,_asid} | expand |
On Fri, 2020-03-06 at 00:44 -0800, Bin Meng wrote: > 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 at gmail.com> > --- > > arch/riscv/lib/sbi_ipi.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > Reviewed-by: Lukas Auer <lukas at auer.io>
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; }
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 at gmail.com> --- arch/riscv/lib/sbi_ipi.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)