From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 988CCC6778A for ; Sun, 1 Jul 2018 16:46:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5286025424 for ; Sun, 1 Jul 2018 16:46:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5286025424 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966017AbeGAQqR (ORCPT ); Sun, 1 Jul 2018 12:46:17 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:38344 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965956AbeGAQqK (ORCPT ); Sun, 1 Jul 2018 12:46:10 -0400 Received: from localhost (LFbn-1-12247-202.w90-92.abo.wanadoo.fr [90.92.61.202]) by mail.linuxfoundation.org (Postfix) with ESMTPSA id 7A66DACC; Sun, 1 Jul 2018 16:46:09 +0000 (UTC) From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Wolfram Sang , Geert Uytterhoeven , Linus Walleij , Wolfram Sang , stable@kernel.org Subject: [PATCH 4.17 207/220] i2c: gpio: initialize SCL to HIGH again Date: Sun, 1 Jul 2018 18:23:51 +0200 Message-Id: <20180701160916.813301887@linuxfoundation.org> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180701160908.272447118@linuxfoundation.org> References: <20180701160908.272447118@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.17-stable review patch. If anyone has any objections, please let me know. ------------------ From: Wolfram Sang commit 12b731dd46d9ee646318e6e9dc587314a3908a46 upstream. It seems that during the conversion from gpio* to gpiod*, the initial state of SCL was wrongly switched to LOW. Fix it to be HIGH again. Fixes: 7bb75029ef34 ("i2c: gpio: Enforce open drain through gpiolib") Signed-off-by: Wolfram Sang Tested-by: Geert Uytterhoeven Reviewed-by: Linus Walleij Signed-off-by: Wolfram Sang Cc: stable@kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/i2c/busses/i2c-gpio.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/i2c/busses/i2c-gpio.c +++ b/drivers/i2c/busses/i2c-gpio.c @@ -279,9 +279,9 @@ static int i2c_gpio_probe(struct platfor * required for an I2C bus. */ if (pdata->scl_is_open_drain) - gflags = GPIOD_OUT_LOW; + gflags = GPIOD_OUT_HIGH; else - gflags = GPIOD_OUT_LOW_OPEN_DRAIN; + gflags = GPIOD_OUT_HIGH_OPEN_DRAIN; priv->scl = i2c_gpio_get_desc(dev, "scl", 1, gflags); if (IS_ERR(priv->scl)) return PTR_ERR(priv->scl);