[U-Boot,04/14] power, timer: reset TBL before TBU
diff mbox

Message ID ce88a7347bdc84fa4658e0ddbd3214d887d6a658.1499629706.git.christophe.leroy@c-s.fr
State Superseded
Delegated to: Tom Rini
Headers show

Commit Message

Christophe Leroy July 12, 2017, 9:43 a.m. UTC
In order to avoid TBU increment due to TBL reaching its max
and wrapping, reset TBL before resetting TBU

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
---
 arch/powerpc/lib/time.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Wolfgang Denk July 12, 2017, 1 p.m. UTC | #1
Dear Christophe Leroy,

In message <ce88a7347bdc84fa4658e0ddbd3214d887d6a658.1499629706.git.christophe.leroy@c-s.fr> you wrote:
> In order to avoid TBU increment due to TBL reaching its max
> and wrapping, reset TBL before resetting TBU
> 
> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
> ---
>  arch/powerpc/lib/time.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
Reviewed-by: Wolfgang Denk <wd@denx.de>

Best regards,

Wolfgang Denk

Patch
diff mbox

diff --git a/arch/powerpc/lib/time.c b/arch/powerpc/lib/time.c
index ff9bb67e28..c43f254481 100644
--- a/arch/powerpc/lib/time.c
+++ b/arch/powerpc/lib/time.c
@@ -66,7 +66,7 @@  int timer_init(void)
 	unsigned long temp;
 
 	/* reset */
-	asm volatile("li %0,0 ; mttbu %0 ; mttbl %0;"
+	asm volatile("li %0,0 ; mttbl %0 ; mttbu %0;"
 	     : "=&r"(temp) );
 
 	return (0);