From patchwork Wed Jun 30 14:11:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alain Volmat X-Patchwork-Id: 12352263 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=-12.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 8F4CAC11F65 for ; Wed, 30 Jun 2021 14:29:10 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 4C51D61468 for ; Wed, 30 Jun 2021 14:29:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4C51D61468 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=foss.st.com 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=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=ZEMtlOdtJHpRxrrAhVSLlT+i9UWnVtIVlV2rFohyhNI=; b=qNUXzaOXXJkdcw ukHzRKQPe5MK6ES9pwLJwTnQiofvNeke6HT1RjqreXpdWUzPeylKOJ/pncVjQ62cigENHmm4jpHDu fspbJbORpLNX+jUXoyKYAvikei/QuN9XWOssfA04l+jHFmNWf9raTgOewFhSKQutIC8xAGwt/+6vl 2gFOeptR6cxAhpYo8CauGPSAFgffFsART0yWBT2/it45IxqPsEIpcSgsU9xizg31AZ9OiIQVrXwmF +C6ZGj5fGVzMJzSXLpP2BUb2l3MCNHprVnP1gXqZxDkPrHnAR5FVArj1pBH1wpxhX4vs2KQgLRj6A dbPDgr86mpVlV7uSp6yQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lybBA-00EMWl-Ui; Wed, 30 Jun 2021 14:27:06 +0000 Received: from mx08-00178001.pphosted.com ([91.207.212.93] helo=mx07-00178001.pphosted.com) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lyaxZ-00EIpd-BP for linux-arm-kernel@lists.infradead.org; Wed, 30 Jun 2021 14:13:05 +0000 Received: from pps.filterd (m0046661.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 15UECm2J019682; Wed, 30 Jun 2021 16:12:57 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h=from : to : cc : subject : date : message-id : mime-version : content-type; s=selector1; bh=IFFSjjhuK7hpbYhX8q4QMoe7AicReb+FwH97hXJauXY=; b=5q9nIbf7K4NP9X0nPNTUy8gm9GojwkOIMUSoH4buiTX3zc9a/8zbS8z/NjQca4TnRme+ Ox8H5LW+L4z9+p/gCuKotG7vcQJpc47kspPvDjQ1KjrLCVlouFQzgIp/zPQBd2QEB3V4 +vBMiVVHaN+dD6B2on/LSEDuEQISD1w0cpILzBU2vLiP9kryF6LT5Uhzm0FZblfkNS+J Yf8WqZE/jdXgXXhWvArbnesp8rwmTY4FiPrzgY4xHOA6rOfyJNezwR1d4JNMFwIMbx5W 0U3A5KjNNWkun1Ye7fUMILYw+rBe+sFzz+5mdUqPx8w6/FDUINvosySikfHGfkP78gBU pQ== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 39gnbpjpf1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 30 Jun 2021 16:12:57 +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 B637010003A; Wed, 30 Jun 2021 16:12:56 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag2node3.st.com [10.75.127.6]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id A30DB23151C; Wed, 30 Jun 2021 16:12:56 +0200 (CEST) Received: from localhost (10.75.127.51) by SFHDAG2NODE3.st.com (10.75.127.6) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 30 Jun 2021 16:12:56 +0200 From: Alain Volmat To: , CC: , , , , , , , Subject: [PATCH 0/3] i2c: stm32f7: several fixes in error cases Date: Wed, 30 Jun 2021 16:11:40 +0200 Message-ID: <1625062303-15327-1-git-send-email-alain.volmat@foss.st.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-Originating-IP: [10.75.127.51] X-ClientProxiedBy: SFHDAG2NODE3.st.com (10.75.127.6) To SFHDAG2NODE3.st.com (10.75.127.6) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391, 18.0.790 definitions=2021-06-30_06:2021-06-29, 2021-06-30 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210630_071301_901296_98000C1D X-CRM114-Status: GOOD ( 11.79 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This serie provides several fixes needed for cases when communication when a device is not behaving properly. Alain Volmat (3): i2c: stm32f7: recover the bus on access timeout i2c: stm32f7: flush TX FIFO upon transfer errors i2c: stm32f7: prevent calling slave handling if no slave running drivers/i2c/busses/i2c-stm32f7.c | 31 +++++++++++++++++++++++++++---- 1 file changed, 27 insertions(+), 4 deletions(-)