[PATCH] soc: mediatek: PMIC wrap: Extend th wainting time to 10ms.

From: Henry Chen
Date: Tue Jul 12 2016 - 05:44:50 EST


Read data fails sometimes because of a timeout that PMIC cannot transfer data
to PMIC wrap on time, extend the wainting time to 10ms to reduce the failed
rate.

Signed-off-by: Henry Chen <henryc.chen@xxxxxxxxxxxx>
---
drivers/soc/mediatek/mtk-pmic-wrap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
index a003ba2..a5f1093 100644
--- a/drivers/soc/mediatek/mtk-pmic-wrap.c
+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
@@ -583,7 +583,7 @@ static int pwrap_wait_for_state(struct pmic_wrapper *wrp,
{
unsigned long timeout;

- timeout = jiffies + usecs_to_jiffies(255);
+ timeout = jiffies + usecs_to_jiffies(10000);

do {
if (time_after(jiffies, timeout))
--
1.8.1.1.dirty