diff mbox series

[v2,7/9] riscv: Avoid updating the link register

Message ID 20230413062008.981238-7-bmeng@tinylab.org
State Accepted
Commit 3c09ac2c589fbf4d0976c49956cc9c6d14c33986
Delegated to: Andes
Headers show
Series [v2,1/9] riscv: Optimize source end address calculation in start.S | expand

Commit Message

Bin Meng April 13, 2023, 6:20 a.m. UTC 
board_init_r does not return for U-Boot SPL hence there is no need
to update the link register when jumping to board_init_r.

Signed-off-by: Bin Meng <bmeng@tinylab.org>

---

Changes in v2:
- new patch: "riscv: Avoid updating the link register"

 arch/riscv/cpu/start.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Leo Liang April 20, 2023, 7:47 a.m. UTC | #1 
On Thu, Apr 13, 2023 at 02:20:06PM +0800, Bin Meng wrote:
> board_init_r does not return for U-Boot SPL hence there is no need
> to update the link register when jumping to board_init_r.
> 
> Signed-off-by: Bin Meng <bmeng@tinylab.org>
> 
> ---
> 
> Changes in v2:
> - new patch: "riscv: Avoid updating the link register"
> 
>  arch/riscv/cpu/start.S | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
diff mbox series

Patch

diff --git a/arch/riscv/cpu/start.S b/arch/riscv/cpu/start.S
index c09d1cb412..8cf25bb14a 100644
--- a/arch/riscv/cpu/start.S
+++ b/arch/riscv/cpu/start.S
@@ -250,7 +250,7 @@  spl_secondary_hart_stack_gd_setup:
 spl_call_board_init_r:
 	mv	a0, zero
 	mv	a1, zero
-	jal	board_init_r
+	j	board_init_r
 #endif
 
 /*