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[23.128.96.18]) by mx.google.com with ESMTP id hc12si13111354ejc.134.2021.10.25.11.12.15; Mon, 25 Oct 2021 11:12:43 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@foss.st.com header.s=selector1 header.b=KLAmXwuJ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=foss.st.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232749AbhJYNpN (ORCPT + 99 others); Mon, 25 Oct 2021 09:45:13 -0400 Received: from mx07-00178001.pphosted.com ([185.132.182.106]:43256 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230502AbhJYNpM (ORCPT ); Mon, 25 Oct 2021 09:45:12 -0400 Received: from pps.filterd (m0046668.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 19P8Cv20003285; Mon, 25 Oct 2021 15:42:35 +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=E7GL8g1LVuwhIdouDAVJoi6iJL0Ledft7BjGYWbxztI=; b=KLAmXwuJpp88Cnn9S2ipCQ4INbPe6u8cnhgTExKCM7OI65kdmJ1oysd94AzwXD7+APVM huWI8HmbJF+VM+Yx83Mz1ScF7X0jzBk12Sl+DE0OIv5NUEfP613at/leLFeMdyuSgJgG DbnmWfBZjAzRhekq6LgYEdMxW3x53xDL1/MCMHY4i5jNxpmhpyZCtEwaXq+qEX6cpzEN JqW+3EYe0O4ebCl0lErHbUYlcJdmHReuK7c1XXrDvth5KpEAY0LE1z9A+XYjzan1vyDV Futyv9vdXW5muXoAo9Lcy1/PuC67egVSqUMYOVoMA7brxYapVCI38XI7BlrZX8C//bS7 kQ== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 3bwrvj1t9g-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 25 Oct 2021 15:42:35 +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 8DCCD10002A; Mon, 25 Oct 2021 15:42:34 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag2node2.st.com [10.75.127.5]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 85C482309DF; Mon, 25 Oct 2021 15:42:34 +0200 (CEST) Received: from localhost (10.75.127.45) by SFHDAG2NODE2.st.com (10.75.127.5) with Microsoft SMTP Server (TLS) id 15.0.1497.18; Mon, 25 Oct 2021 15:42:34 +0200 From: Erwan Le Ray To: Greg Kroah-Hartman , Jiri Slaby , Maxime Coquelin , Alexandre Torgue CC: , , , , Erwan Le Ray , Fabrice Gasnier , Valentin Caron , Amelie Delaunay Subject: [PATCH 0/3] Power management improvements for STM32 UART DMA RX Date: Mon, 25 Oct 2021 15:42:26 +0200 Message-ID: <20211025134229.8456-1-erwan.leray@foss.st.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.75.127.45] X-ClientProxiedBy: SFHDAG1NODE3.st.com (10.75.127.3) To SFHDAG2NODE2.st.com (10.75.127.5) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.182.1,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.0.607.475 definitions=2021-10-25_05,2021-10-25_02,2020-04-07_01 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This series improves power management for STM32 UART DMA RX. Erwan Le Ray (3): serial: stm32: rework RX dma initialization and release serial: stm32: terminate / restart DMA transfer at suspend / resume serial: stm32: push DMA RX data before suspending drivers/tty/serial/stm32-usart.c | 216 +++++++++++++++++++++---------- 1 file changed, 148 insertions(+), 68 deletions(-) -- 2.17.1