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=-2.6 required=3.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID, 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 BCE1BECDFB0 for ; Fri, 13 Jul 2018 21:10:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5DF7520873 for ; Fri, 13 Jul 2018 21:10:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b="EKs4jTy4" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5DF7520873 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com 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 S1733014AbeGMV0G (ORCPT ); Fri, 13 Jul 2018 17:26:06 -0400 Received: from www.zeus03.de ([194.117.254.33]:48470 "EHLO mail.zeus03.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732589AbeGMV0G (ORCPT ); Fri, 13 Jul 2018 17:26:06 -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=Pxg0D6gPydncZpakJGoJP7XH88zvwDWI6lnNmfm0LJk=; b=EKs4jTy4wN68 xjThzOQOWbmb8HAlK0sg787sTIFzoN9VNbHVKmjS5pqD3Z7h3pKG3fEuRnEnPEj1 MS8zgxinRkuVAbv/iqwsECl4p3VLEHpRnD89eKjBbTodYqs5Vt+JB8B8XR0VX6RQ Z3AlPOnQKcv3p9+uMhKMyyRSMF5yqBY= Received: (qmail 3472 invoked from network); 13 Jul 2018 23:09:44 +0200 Received: by mail.zeus03.de with ESMTPSA (ECDHE-RSA-AES256-GCM-SHA384 encrypted, authenticated); 13 Jul 2018 23:09:44 +0200 X-UD-Smtp-Session: l3s3148p1@dNoe5udweuUgAwDPW8bBAAId4P/+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 3/6] i2c: designware: set SDA as output for recovery Date: Fri, 13 Jul 2018 23:09:15 +0200 Message-Id: <20180713210920.3648-4-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-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This allows for sending STOP when generating pulses which is much more robust because it will bring clients into a default state. 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 a546db80f53e..25981efc844e 100644 --- a/drivers/i2c/busses/i2c-designware-master.c +++ b/drivers/i2c/busses/i2c-designware-master.c @@ -674,7 +674,7 @@ static int i2c_dw_init_recovery_info(struct dw_i2c_dev *dev) } rinfo->scl_gpiod = gpio; - gpio = devm_gpiod_get_optional(dev->dev, "sda", GPIOD_IN); + gpio = devm_gpiod_get_optional(dev->dev, "sda", GPIOD_OUT_HIGH_OPEN_DRAIN); if (IS_ERR(gpio)) return PTR_ERR(gpio); rinfo->sda_gpiod = gpio; -- 2.11.0