From patchwork Tue Oct 6 10:51:32 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Christian Eggers X-Patchwork-Id: 11818465 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B34EA112E for ; Tue, 6 Oct 2020 11:01:34 +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 7B76A2080A for ; Tue, 6 Oct 2020 11:01:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="ARHfpvp7" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7B76A2080A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arri.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.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:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=MYK9r26NPi1ZA7FV9YHaWkUozxCnf8hW1y2YBjrvjOo=; b=ARHfpvp7GbyDUnufqB117UdaL AAUVDGi1hBZ4VO8YGxO0Ao93VUETh7TK3thW7zNLqjZUU/9m66pIAfz4t+6ZqtyZI6f50W6d+2Ym6 NX0OIXQVUMeqSL4pkm0eFevsFBJgCCbnFlP0LJ1Ot/+35Sg5ICToFPiCN/SIVFbT/+dLD4ppd4tIP nHSFLlSxc3iAby+i65Gk36mb22awnQGpAApAUUA+/pqiiUoFRb7jdtArqq/50ViRWtDXUvucsNdUU tj2HQI3aqov/lkuFIWRVwynPJ7f1q7D21unXH4OvMjfnSconYMvij/Q5JTW37qm1W0b1Him5Dho3J VP5ppm9AQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kPkii-00017t-4F; Tue, 06 Oct 2020 11:01:24 +0000 Received: from mailout10.rmx.de ([94.199.88.75]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kPkid-00015K-Ch for linux-arm-kernel@lists.infradead.org; Tue, 06 Oct 2020 11:01:21 +0000 Received: from kdin02.retarus.com (kdin02.dmz1.retloc [172.19.17.49]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mailout10.rmx.de (Postfix) with ESMTPS id 4C5DzP0qQ1z35np; Tue, 6 Oct 2020 13:01:05 +0200 (CEST) Received: from mta.arri.de (unknown [217.111.95.66]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by kdin02.retarus.com (Postfix) with ESMTPS id 4C5Dz636Pnz2TTWd; Tue, 6 Oct 2020 13:00:50 +0200 (CEST) Received: from N95HX1G2.wgnetz.xx (192.168.54.97) by mta.arri.de (192.168.100.104) with Microsoft SMTP Server (TLS) id 14.3.408.0; Tue, 6 Oct 2020 12:52:18 +0200 From: Christian Eggers To: Oleksij Rempel , Shawn Guo , Sascha Hauer , Fabio Estevam , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= Subject: [PATCH v3 0/3] i2c: imx: Fix handling of arbitration loss Date: Tue, 6 Oct 2020 12:51:32 +0200 Message-ID: <20201006105135.28985-1-ceggers@arri.de> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201006060528.drh2yoo2dklyntez@pengutronix.de> References: <20201006060528.drh2yoo2dklyntez@pengutronix.de> MIME-Version: 1.0 X-Originating-IP: [192.168.54.97] X-RMX-ID: 20201006-130058-4C5Dz636Pnz2TTWd-0@kdin02 X-RMX-SOURCE: 217.111.95.66 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201006_070119_542721_F9B7A5C2 X-CRM114-Status: GOOD ( 12.09 ) X-Spam-Score: -0.7 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.7 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [94.199.88.75 listed in list.dnswl.org] -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [94.199.88.75 listed in wl.mailspike.net] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 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: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, NXP Linux Team , Pengutronix Kernel Team , linux-i2c@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org On Tuesday, 6 October 2020, 08:05:28 CEST, Uwe Kleine-König wrote: > Could we please move clearing an irq to a dedicated function? Such that > it looks like: > > /* check for arbitration lost */ > if (temp & I2SR_IAL) { > i2c_imx_clear_irq(i2c_imx, I2SR_IAL); > return -EAGAIN; > } done Changes in v2: --------------- - Don't accidently clear additional status flags on Vybrid (reported by Uwe Kleine-Koenig) Changes in v3: --------------- - dedicated function for clearing an irq