From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934301Ab1JFGwu (ORCPT ); Thu, 6 Oct 2011 02:52:50 -0400 Received: from sm-d311v.smileserver.ne.jp ([203.211.202.206]:27173 "EHLO sm-d311v.smileserver.ne.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755916Ab1JFGvn (ORCPT ); Thu, 6 Oct 2011 02:51:43 -0400 From: Tomoya MORINAGA To: Jean Delvare , Ben Dooks , Wolfram Sang , Qi Wang , Linus Walleij , linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org Cc: yong.y.wang@intel.com, joel.clark@intel.com, kok.howg.ewe@intel.com, Tomoya MORINAGA Subject: [PATCH 5/7 v3] i2c-eg20t: add stop sequence in case wait-event timeout occurs Date: Thu, 6 Oct 2011 15:56:30 +0900 Message-Id: <1317884192-10694-6-git-send-email-tomoya-linux@dsn.lapis-semi.com> X-Mailer: git-send-email 1.7.4.4 In-Reply-To: <1317884192-10694-1-git-send-email-tomoya-linux@dsn.lapis-semi.com> References: <1317884192-10694-1-git-send-email-tomoya-linux@dsn.lapis-semi.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org add stop sequence in case wait-event timeout in write processing. (read processing already had it) Signed-off-by: Tomoya MORINAGA --- drivers/i2c/busses/i2c-eg20t.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/drivers/i2c/busses/i2c-eg20t.c b/drivers/i2c/busses/i2c-eg20t.c index 0b29ea6..5cdf9cb 100644 --- a/drivers/i2c/busses/i2c-eg20t.c +++ b/drivers/i2c/busses/i2c-eg20t.c @@ -455,6 +455,7 @@ static s32 pch_i2c_writebytes(struct i2c_adapter *i2c_adap, pch_clrbit(adap->pch_base_address, PCH_I2CSR, I2CMIF_BIT); return -EAGAIN; } else { /* wait-event timeout */ + pch_i2c_stop(adap); return -ETIME; } @@ -475,6 +476,7 @@ static s32 pch_i2c_writebytes(struct i2c_adapter *i2c_adap, pch_clrbit(adap->pch_base_address, PCH_I2CSR, I2CMIF_BIT); } else { /* wait-event timeout */ + pch_i2c_stop(adap); return -ETIME; } } @@ -570,6 +572,7 @@ static s32 pch_i2c_readbytes(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs, pch_clrbit(adap->pch_base_address, PCH_I2CSR, I2CMIF_BIT); return -EAGAIN; } else { /* wait-event timeout */ + pch_i2c_stop(adap); return -ETIME; } -- 1.7.4.4