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=-9.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 DC977C4363A for ; Mon, 5 Oct 2020 08:05:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A101F2075A for ; Mon, 5 Oct 2020 08:05:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1601885147; bh=ow1nGnWXyUNHLaBwXeRUOMB7tBiARv7E+5jhHYLVWKA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=zjcMyOTAmgT1dKJ/K1r9RILpzKXCpO9wAsBGHyRMJuuuxC48eNWEjvJF9YdEO925d j/dVfXRO3cGj862CiictHCZH+9lm/rhHrGOSpAdxlL4VSLkMy+53bgZiyko7xE0Ubi dlhPVOnRrWlLirE/cL5O0Eg6y4DF0B1ab2fbFkcI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725925AbgJEIFr (ORCPT ); Mon, 5 Oct 2020 04:05:47 -0400 Received: from mail-wm1-f66.google.com ([209.85.128.66]:53618 "EHLO mail-wm1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725898AbgJEIFq (ORCPT ); Mon, 5 Oct 2020 04:05:46 -0400 Received: by mail-wm1-f66.google.com with SMTP id f21so2311520wml.3; 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=bWmcQTR/zFK58sPVE+7DRSXnwxmbYrCde8z3owfsnE+yPmVm84mw2e9hdu0Yw0oXne dIaMu6FQf2c1x0sT4ZD4H/k/5YBoThbAdJbIjQRPXH4Q/eEnM98rMIeCD4otYztt3k6G /77hH/UQ37wsD4P3UA2zLmEXbtZtGBM2Jxv/Rf2hFRVEFA5O5nC99i0nx1/PldIDWHX6 nMACE1zC65axOUvHtuW7YZ3W6PnwGJGvp5YfTA6Fkf2h9ZUt1K2QyE/An+nSF23bmUKS CuOSG+52nwBBeBkM5V8RGn/MZV9qaQmuhWgGhs3sSx4NHJBYlkN66VPFAVtipp8IIx3z EwgQ== X-Gm-Message-State: AOAM531/4v2XnJwkfm1tzhbN3yW+ZpYcAfo+LOwF8CJ0fGtc5Y+kjgN+ Q4HNYB+ZrGbZ0irpEWir3V4= 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 Cc: Oleksij Rempel , Shawn Guo , Sascha Hauer , Fabio Estevam , Uwe =?utf-8?Q?Kleine-K=C3=B6nig?= , Pengutronix Kernel Team , NXP Linux Team , linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org 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-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20201002152305.4963-2-ceggers@arri.de> User-Agent: Mutt/1.9.4 (2018-02-28) Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.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