From: henryc.chen@mediatek.com (Henry Chen)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] soc: mediatek: PMIC wrap: Extend th wainting time to 10ms.
Date: Tue, 12 Jul 2016 17:44:36 +0800 [thread overview]
Message-ID: <1468316676-14901-1-git-send-email-henryc.chen@mediatek.com> (raw)
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@mediatek.com>
---
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
reply other threads:[~2016-07-12 9:44 UTC|newest]
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