From patchwork Fri Feb 19 17:47:23 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Erwan LE RAY X-Patchwork-Id: 385171 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=-13.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, 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 6F3D4C43381 for ; Fri, 19 Feb 2021 17:48:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4028664E15 for ; Fri, 19 Feb 2021 17:48:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230131AbhBSRst (ORCPT ); Fri, 19 Feb 2021 12:48:49 -0500 Received: from mx07-00178001.pphosted.com ([185.132.182.106]:37599 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229546AbhBSRsf (ORCPT ); Fri, 19 Feb 2021 12:48:35 -0500 Received: from pps.filterd (m0046668.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 11JHgYZ0008252; Fri, 19 Feb 2021 18:47:42 +0100 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=loIA3esYt/3shriHTJz+2fSOwQFG2K336Aa8gSHwP6I=; b=0kGfbam1bIRwLSW/7zqqo5xRV11Y9stvRP2Fjj/iBLedOUexpuiTq+f8quiGLpUcFo6z vkClfBKpsC7xtslq5eZensZfJ4kVLen1xsjCrs7m9liUvAN1BLi0y4bKEvvxUfC8sx7P viLgCm+Rs0xSuMEGpF6egRM1I7X5y+KZjjj/Uc795RHE08ol85W2t+dkMyoDKVtxduhY Q+d8QmAJQbxTUZFXQ7y98/Pznvr+9+B5kP72SWTkJcDT+vMABxtMeHSYfJSBFj1arjfB 4i1ONc8ZEhZp/om09i55xNFsAe2TsZuB5/xaS9+uxV7RtEC1u9igX6TdVBcompjbmsc4 9Q== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 36sqadhawq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 19 Feb 2021 18:47:42 +0100 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id AB51610002A; Fri, 19 Feb 2021 18:47:40 +0100 (CET) Received: from Webmail-eu.st.com (sfhdag2node3.st.com [10.75.127.6]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 99A4C25F3FB; Fri, 19 Feb 2021 18:47:40 +0100 (CET) Received: from localhost (10.75.127.45) by SFHDAG2NODE3.st.com (10.75.127.6) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Fri, 19 Feb 2021 18:47:40 +0100 From: Erwan Le Ray To: Greg Kroah-Hartman , Jiri Slaby , Maxime Coquelin , Alexandre Torgue CC: , , , , Erwan Le Ray , Fabrice Gasnier , Valentin Caron Subject: [PATCH 00/13] stm32 usart various fixes Date: Fri, 19 Feb 2021 18:47:23 +0100 Message-ID: <20210219174736.1022-1-erwan.leray@foss.st.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.75.127.45] X-ClientProxiedBy: SFHDAG2NODE2.st.com (10.75.127.5) To SFHDAG2NODE3.st.com (10.75.127.6) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.761 definitions=2021-02-19_08:2021-02-18,2021-02-19 signatures=0 Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org This series brings various fixes to stm32-usart driver. Erwan Le Ray (13): serial: stm32: fix probe and remove order for dma serial: stm32: fix startup by enabling usart for reception serial: stm32: fix incorrect characters on console serial: stm32: fix TX and RX FIFO thresholds serial: stm32: fix a deadlock condition with wakeup event serial: stm32: fix wake-up flag handling serial: stm32: fix a deadlock in set_termios serial: stm32: fix tx dma completion, release channel serial: stm32: call stm32_transmit_chars locked serial: stm32: fix FIFO flush in startup and set_termios serial: stm32: add FIFO flush when port is closed serial: stm32: fix tx_empty condition serial: stm32: add support for "flush_buffer" ops drivers/tty/serial/stm32-usart.c | 198 +++++++++++++++++++++---------- drivers/tty/serial/stm32-usart.h | 3 - 2 files changed, 135 insertions(+), 66 deletions(-)