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=-9.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 7982EC4363A for ; Mon, 5 Oct 2020 08:07:10 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2196D20774 for ; Mon, 5 Oct 2020 08:07:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Sqi7VIkg" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2196D20774 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ODngOZTGsULp5Zh2+jIm4P5H7kQqk77o7z/wuGtIb5c=; b=Sqi7VIkgqCPUUshIYjPOE4vCB HSG36EADhs+wXgXzXiNR9u59mEA5oyzY50HKpgwxy7Ehgb/+eDNheF8BAhDHidTInufBhJ8SEiy+A qSxRKrI3arWvMRlshWnzqu2/CxHqPBN1DMCgORi4atCOgnfLiRDJRL0KHMyyJjBAjM0CltGeFLWi5 0RitJb0GHeHVdr2Wv58IWD5kEjbfnd8nGD8FvEHVxBFtoySDLGvBDxg7gANOfEB9Go7cO4zgwz0Q5 KmxcaIeP1TwnEWu7cReEZYoCL0FptKBPdWiReQMS+6siuekJ6d2byBgMSB6pFgwGdQxC9FRlI9xAH o1zQApRZg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kPLVG-0003S9-FJ; Mon, 05 Oct 2020 08:05:50 +0000 Received: from mail-wm1-f65.google.com ([209.85.128.65]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kPLVC-0003RE-6c for linux-arm-kernel@lists.infradead.org; Mon, 05 Oct 2020 08:05:48 +0000 Received: by mail-wm1-f65.google.com with SMTP id d81so2535882wmc.1 for ; Mon, 05 Oct 2020 01:05:45 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=epaOtiR7tFx4/XOOg9iXSMt8xfS4r3yEvrrCUOibwn8=; b=Cge0koLar7r1kevwftfZjk3TWd3IYd4Ii8lqL3xrSl5QaTymYAl7JW0kt3QyME62Xp 1/2VsmMelOB5zFr1hb7SusFkD1PAW5fI6CaS176y5+UPaaKlsVs35fk2F08xqR9D6HUh ClOQ9vTTi+WUyc6zDcH+E7A76TYW4st2KElxdwlfkJSTtGzVb6uTZOPl3oqHc+9Un2Ig YJbQ4qbkiF8Ye5v9mid6biFtzO2x/p9Q56st23XR09Lue19udd4yo/Kad1FFTzpqtG+C AmB9Dwwd21TkFwldwP1XBUapTcpzS0CGiZzsqjciplpSvYhwJgUKty+5w+9FB0gjBs2l Lhuw== X-Gm-Message-State: AOAM531GHfo3HxrQvFGL0pjpn3lTkK/C4Www5DZt0QkLlbxihoieA55v zPfp3oSISqxf6V5OXqM/Sxk= X-Google-Smtp-Source: ABdhPJxQiC77o6IdaUGbmW18uKR5W+lznFvVF0rPnHifJ2GCzGskfXFyZq/guojTAJI0eU35JbvMoA== X-Received: by 2002:a7b:cf04:: with SMTP id l4mr6794958wmg.137.1601885144602; Mon, 05 Oct 2020 01:05:44 -0700 (PDT) Received: from kozik-lap ([194.230.155.194]) by smtp.googlemail.com with ESMTPSA id u188sm7538987wmu.0.2020.10.05.01.05.42 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Mon, 05 Oct 2020 01:05:43 -0700 (PDT) Date: Mon, 5 Oct 2020 10:05:41 +0200 From: Krzysztof Kozlowski To: Christian Eggers Subject: Re: [PATCH v2 1/3] i2c: imx: Fix reset of I2SR_IAL flag Message-ID: <20201005080541.GA7135@kozik-lap> References: <20201002152305.4963-1-ceggers@arri.de> <20201002152305.4963-2-ceggers@arri.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20201002152305.4963-2-ceggers@arri.de> User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201005_040546_262914_98A01F16 X-CRM114-Status: GOOD ( 15.31 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Shawn Guo , Sascha Hauer , linux-kernel@vger.kernel.org, stable@vger.kernel.org, Oleksij Rempel , NXP Linux Team , Pengutronix Kernel Team , Uwe =?utf-8?Q?Kleine-K=C3=B6nig?= , Fabio Estevam , linux-arm-kernel@lists.infradead.org, linux-i2c@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Oct 02, 2020 at 05:23:03PM +0200, Christian Eggers wrote: > According to the "VFxxx Controller Reference Manual" (and the comment > block starting at line 97), Vybrid requires writing a one for clearing > an interrupt flag. Syncing the method for clearing I2SR_IIF in > i2c_imx_isr(). > > Signed-off-by: Christian Eggers > Cc: stable@vger.kernel.org > --- > drivers/i2c/busses/i2c-imx.c | 15 ++++++++++++--- > 1 file changed, 12 insertions(+), 3 deletions(-) Tested (not extensively) on Vybrid VF500 (Toradex VF50): Tested-by: Krzysztof Kozlowski The I2C on Vybrid VF500 still works fine. I did not test this actual condition (arbitration) but only a regular I2C driver (BQ27xxx fuel gauge). Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel