[PATCH] lib: sbi: skip wait_for_coldboot when coolboot done

[Xiang W]

When warmboot via HSM, coolboot has been completed and
wait_for_coldboot can be skipped to speed up.

Signed-off-by: Xiang W <wxjstz at 126.com>
---
 lib/sbi/sbi_init.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/sbi/sbi_init.c b/lib/sbi/sbi_init.c
index e723553..1f7f522 100644
--- a/lib/sbi/sbi_init.c
+++ b/lib/sbi/sbi_init.c
@@ -492,7 +492,8 @@ static void __noreturn init_warmboot(struct sbi_scratch *scratch, u32 hartid)
 {
 	int hstate;
 
-	wait_for_coldboot(scratch, hartid);
+	if (!__smp_load_acquire(&coldboot_done))
+		wait_for_coldboot(scratch, hartid);
 
 	hstate = sbi_hsm_hart_get_state(sbi_domain_thishart_ptr(), hartid);
 	if (hstate < 0)
-- 
2.42.0