linux-kernel - [PATCH 6/7 v3] i2c-eg20t: Fix flag setting issue

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Message-Id: <1317884192-10694-7-git-send-email-tomoya-linux@dsn.lapis-semi.com>
Date:	Thu,  6 Oct 2011 15:56:31 +0900
From:	Tomoya MORINAGA <tomoya-linux@....lapis-semi.com>
To:	Jean Delvare <khali@...ux-fr.org>, Ben Dooks <ben-linux@...ff.org>,
	Wolfram Sang <w.sang@...gutronix.de>,
	Qi Wang <qi.wang@...el.com>,
	Linus Walleij <linus.walleij@...ricsson.com>,
	linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	yong.y.wang@...el.com, joel.clark@...el.com,
	kok.howg.ewe@...el.com,
	Tomoya MORINAGA <tomoya-linux@....lapis-semi.com>
Subject: [PATCH 6/7 v3] i2c-eg20t: Fix flag setting issue

Currently, in case occurring abnormal event,
internal flag variable(=pch_event_flag) is not reset.
This patch fixes the issue.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@....lapis-semi.com>
---
 drivers/i2c/busses/i2c-eg20t.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/i2c/busses/i2c-eg20t.c b/drivers/i2c/busses/i2c-eg20t.c
index 5cdf9cb..20c0f34 100644
--- a/drivers/i2c/busses/i2c-eg20t.c
+++ b/drivers/i2c/busses/i2c-eg20t.c
@@ -319,11 +319,13 @@ static s32 pch_i2c_wait_for_xfer_complete(struct i2c_algo_pch_data *adap)
 
 	if (ret == 0) {
 		pch_err(adap, "timeout: %x\n", adap->pch_event_flag);
+		adap->pch_event_flag = 0;
 		return -ETIMEDOUT;
 	}
 
 	if (adap->pch_event_flag & I2C_ERROR_MASK) {
 		pch_err(adap, "error bits set: %x\n", adap->pch_event_flag);
+		adap->pch_event_flag = 0;
 		return -EIO;
 	}
 
-- 
1.7.4.4

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