linux-kernel - [RESEND PATCH] soc: mediatek: PMIC wrap: Extend the waiting time to 10ms.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 13 Jul 2016 11:34:28 +0800
From:	Henry Chen <henryc.chen@...iatek.com>
To:	Matthias Brugger <matthias.bgg@...il.com>
CC:	Sascha Hauer <s.hauer@...gutronix.de>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-mediatek@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>,
	Henry Chen <henryc.chen@...iatek.com>
Subject: [RESEND PATCH] soc: mediatek: PMIC wrap: Extend the waiting time to 10ms.

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

Signed-off-by: Henry Chen <henryc.chen@...iatek.com>
---
Resend to fixed the typo on commit message
---
 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