From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753034AbcGLJor (ORCPT ); Tue, 12 Jul 2016 05:44:47 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:62706 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1750990AbcGLJoq (ORCPT ); Tue, 12 Jul 2016 05:44:46 -0400 From: Henry Chen To: Matthias Brugger CC: Sascha Hauer , , , , Henry Chen Subject: [PATCH] soc: mediatek: PMIC wrap: Extend th wainting time to 10ms. Date: Tue, 12 Jul 2016 17:44:36 +0800 Message-ID: <1468316676-14901-1-git-send-email-henryc.chen@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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