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=-7.8 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 autolearn=no 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 6F673C4363C for ; Wed, 7 Oct 2020 07:51:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 187852083B for ; Wed, 7 Oct 2020 07:51:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1602057078; bh=pPe0QZH8ds38VJC2EDHDXgxsIIWzI5GyW5gBbQu8Wp4=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=CeVR+HxXUshRvawINH6WxdNP5/nNMlS6uAhr4yLyOVXY+PXsvQdIbw9ej3lhsREoG 1Oto+kAPRqAv3dakGXAaBMC96ILu+UdpR+/Hl6sZzxMwesSSx6f34amhVtmpa7OQwx 1W+3Gqqu2gkbztOkaujQL5USNJ4aAWG4/aHZtaa8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727800AbgJGHvR (ORCPT ); Wed, 7 Oct 2020 03:51:17 -0400 Received: from mail.kernel.org ([198.145.29.99]:53378 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726041AbgJGHvR (ORCPT ); Wed, 7 Oct 2020 03:51:17 -0400 Received: from mail-ed1-f50.google.com (mail-ed1-f50.google.com [209.85.208.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 647702083B; Wed, 7 Oct 2020 07:51:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1602057076; bh=pPe0QZH8ds38VJC2EDHDXgxsIIWzI5GyW5gBbQu8Wp4=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=ziIUUno7tUa/CJR94p7AGzuV5nmGieR4sEIkA4cnhFU41dlvgr0OedmZQcruKmHG8 rhnT782UwpMgyoAu9T7u6Ar0nXwm5TquAA1OI8PZDkH/7OMU6FAJFu1pEOiV9lT3oP p36+qgA7lvbsfikp9L5+LAxpt81PocXuEZz6BCos= Received: by mail-ed1-f50.google.com with SMTP id v19so1135032edx.9; Wed, 07 Oct 2020 00:51:16 -0700 (PDT) X-Gm-Message-State: AOAM532oHnRf3VWdbPNAYKiyoY7sYmhWp3a16+tpffoRICfhxeZBr7N+ L49uDfMaizipnIxiQZzvwTN1omew4L8rl8K2yEM= X-Google-Smtp-Source: ABdhPJzTD5nsOCxLuzUZRs3e0s1+5hkp77bWRxgXkCPy9k8HczaULR8h/+CBUEGxdc+jTPlN+fThYH5g8eZdl981y8o= X-Received: by 2002:aa7:d1d5:: with SMTP id g21mr2269960edp.348.1602057074792; Wed, 07 Oct 2020 00:51:14 -0700 (PDT) MIME-Version: 1.0 References: <20201006160814.22047-1-ceggers@arri.de> <20201006160814.22047-3-ceggers@arri.de> In-Reply-To: <20201006160814.22047-3-ceggers@arri.de> From: Krzysztof Kozlowski Date: Wed, 7 Oct 2020 09:51:03 +0200 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v4 2/3] i2c: imx: Check for I2SR_IAL after every byte To: Christian Eggers Cc: Oleksij Rempel , Shawn Guo , Sascha Hauer , Fabio Estevam , =?UTF-8?Q?Uwe_Kleine=2DK=C3=B6nig?= , David Laight , 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" Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org On Tue, 6 Oct 2020 at 18:11, Christian Eggers wrote: > > Arbitration Lost (IAL) can happen after every single byte transfer. If > arbitration is lost, the I2C hardware will autonomously switch from > master mode to slave. If a transfer is not aborted in this state, > consecutive transfers will not be executed by the hardware and will > timeout. > > Signed-off-by: Christian Eggers > Cc: stable@vger.kernel.org Where is the tested-by tag from me? Best regards, Krzysztof