From patchwork Fri Jul 13 21:09:13 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wolfram Sang X-Patchwork-Id: 10524189 X-Patchwork-Delegate: geert@linux-m68k.org Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 8BF75602B3 for ; Fri, 13 Jul 2018 21:10:20 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7CCAB29E13 for ; Fri, 13 Jul 2018 21:10:20 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 70FFD29E20; Fri, 13 Jul 2018 21:10:20 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI, T_DKIM_INVALID autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 302AD29E13 for ; Fri, 13 Jul 2018 21:10:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731962AbeGMV0i (ORCPT ); Fri, 13 Jul 2018 17:26:38 -0400 Received: from www.zeus03.de ([194.117.254.33]:48430 "EHLO mail.zeus03.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731957AbeGMV0D (ORCPT ); Fri, 13 Jul 2018 17:26:03 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=sang-engineering.com; h= from:to:cc:subject:date:message-id:in-reply-to:references; s=k1; bh=ULm2Bo/WMxPVBZgzWE5gkC4xnOYTVZj8SgrPVWn9sy0=; b=Sdjk2/9pzZ+3 hc7KGchkgL7ASY/+UidBjOZNqm843yGSUylsiuw83SBWP7+IPgBGPI28j/QF/zOK J8svp2CGnG/DIOJa7LYJsWRXb1kEVhUPEr3Uod/eIv/ThPuknRv6Wd6hGY5zDNlk RwFwGAKDH8VVSVBaU2uu2lN2TaqH31I= Received: (qmail 3404 invoked from network); 13 Jul 2018 23:09:42 +0200 Received: by mail.zeus03.de with ESMTPSA (ECDHE-RSA-AES256-GCM-SHA384 encrypted, authenticated); 13 Jul 2018 23:09:42 +0200 X-UD-Smtp-Session: l3s3148p1@NHUL5udwduUgAwDPW8bBAAId4P/+oMhl From: Wolfram Sang To: linux-i2c@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org, kernel@pengutronix.de, Wolfram Sang , Jarkko Nikula , Andy Shevchenko , Mika Westerberg , linux-kernel@vger.kernel.org Subject: [PATCH/RFT 1/6] i2c: designware: use open drain for recovery GPIO Date: Fri, 13 Jul 2018 23:09:13 +0200 Message-Id: <20180713210920.3648-2-wsa+renesas@sang-engineering.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180713210920.3648-1-wsa+renesas@sang-engineering.com> References: <20180713210920.3648-1-wsa+renesas@sang-engineering.com> Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP I2C is open drain, so set up the GPIO accordingly. Signed-off-by: Wolfram Sang --- drivers/i2c/busses/i2c-designware-master.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-designware-master.c b/drivers/i2c/busses/i2c-designware-master.c index fc7c255c80af..a546db80f53e 100644 --- a/drivers/i2c/busses/i2c-designware-master.c +++ b/drivers/i2c/busses/i2c-designware-master.c @@ -665,7 +665,7 @@ static int i2c_dw_init_recovery_info(struct dw_i2c_dev *dev) struct gpio_desc *gpio; int r; - gpio = devm_gpiod_get(dev->dev, "scl", GPIOD_OUT_HIGH); + gpio = devm_gpiod_get(dev->dev, "scl", GPIOD_OUT_HIGH_OPEN_DRAIN); if (IS_ERR(gpio)) { r = PTR_ERR(gpio); if (r == -ENOENT || r == -ENOSYS)