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: 943819 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-i2c-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; secure) header.d=sang-engineering.com header.i=@sang-engineering.com header.b="Sdjk2/9p"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 41S56R0Q6yz9s29 for ; Sat, 14 Jul 2018 07:09:51 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731956AbeGMV0E (ORCPT ); Fri, 13 Jul 2018 17:26:04 -0400 Received: from www.zeus03.de ([194.117.254.33]:48428 "EHLO mail.zeus03.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731960AbeGMV0D (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-i2c-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org 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)