From patchwork Mon Sep 14 10:40:32 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alain Volmat X-Patchwork-Id: 254732 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=-6.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 00E8AC433E2 for ; Mon, 14 Sep 2020 10:42:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AECC220829 for ; Mon, 14 Sep 2020 10:42:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=st.com header.i=@st.com header.b="r7kBF8tw" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726496AbgINKlx (ORCPT ); Mon, 14 Sep 2020 06:41:53 -0400 Received: from mx07-00178001.pphosted.com ([185.132.182.106]:58465 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726484AbgINKlZ (ORCPT ); Mon, 14 Sep 2020 06:41:25 -0400 Received: from pps.filterd (m0046668.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 08EAbPc3022532; Mon, 14 Sep 2020 12:40:56 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=st.com; h=from : to : cc : subject : date : message-id : mime-version : content-type; s=STMicroelectronics; bh=RNnrii00xxDfy5WSC9QOrCt+UuQkxyoFKEqKcUhEXMo=; b=r7kBF8twwK8B4KodrM+9KMrXviMEyE9WvUl1bXEuXdMBe0Raslk5oZf7Swm0BNWm/xIN okknJS6Fm7BUfTSnCKo81w/DxB0F1E1Z6n+7yBGKRODuS8l7Fk47oYRN+OIQ58BDurtJ 97wc6iMQ3kW3klJl+fjaa3TGZcMmzd8PZXUBAvgU6Fi5WFisqUCvWBpc6ht2NHbK6u9X 05b/dB0KKDJbIlLgLSm2EfsPozpI7sAt5jpURWFpPIMY/fI7F2OERx67bFRQF/eKk9Eh z5Is652Ud1cs8LaJEa3frs5aRqexI8sazuLckE3Zlfzc44K7NFwF4bcin6EeE1Os70iL 1A== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 33gkt09ppe-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 14 Sep 2020 12:40:56 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id A925B10002A; Mon, 14 Sep 2020 12:40:54 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag3node2.st.com [10.75.127.8]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 928E82ADA02; Mon, 14 Sep 2020 12:40:54 +0200 (CEST) Received: from localhost (10.75.127.46) by SFHDAG3NODE2.st.com (10.75.127.8) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Mon, 14 Sep 2020 12:40:54 +0200 From: Alain Volmat To: , CC: , , , , , , , , Subject: [PATCH 0/2] Avoid meaningless DMA error print & use dev_err_probe Date: Mon, 14 Sep 2020 12:40:32 +0200 Message-ID: <1600080034-2050-1-git-send-email-alain.volmat@st.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-Originating-IP: [10.75.127.46] X-ClientProxiedBy: SFHDAG6NODE2.st.com (10.75.127.17) To SFHDAG3NODE2.st.com (10.75.127.8) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 18.0.687 definitions=2020-09-14_02:2020-09-10,2020-09-14 signatures=0 Sender: linux-i2c-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org This serie replaces the patch from Holger Assmann [i2c: stm32: remove unnecessary DMA kernel error log] (1) and the first version of [i2c: stm32: do not display error when DMA is not requested] from myself (2). A first patch is fixing useless error print when not being able to get DMA channel (DMA is only optional) and also avoid printing twice an error when a real DMA error is happening. On top of that, dev_err_probe from Krzysztof has been rebased. [1] https://marc.info/?l=linux-i2c&m=159741480608578&w=2 [2] https://marc.info/?l=linux-i2c&m=159973040314193&w=2 Alain Volmat (1): i2c: stm32: fix error message on upon dma_request_chan & defer handling Krzysztof Kozlowski (1): i2c: stm32: Simplify with dev_err_probe() drivers/i2c/busses/i2c-stm32.c | 12 ++++++------ drivers/i2c/busses/i2c-stm32f4.c | 6 ++---- drivers/i2c/busses/i2c-stm32f7.c | 27 +++++++++++---------------- 3 files changed, 19 insertions(+), 26 deletions(-)