From: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Date: Wed, 12 Oct 2011 04:13:05 +0000 (+0900)
Subject: i2c-eg20t: Fix flag setting issue
X-Git-Tag: firefly_0821_release~3680^2~4244^2~2^3~1
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=cb59f5253a5313d62e8e345fcd5dd5a44a73e0d6;p=firefly-linux-kernel-4.4.55.git

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@dsn.lapis-semi.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---

diff --git a/drivers/i2c/busses/i2c-eg20t.c b/drivers/i2c/busses/i2c-eg20t.c
index 318e6a5a710f..a1bf62dbd27b 100644
--- a/drivers/i2c/busses/i2c-eg20t.c
+++ b/drivers/i2c/busses/i2c-eg20t.c
@@ -318,11 +318,13 @@ 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;
 	}