From patchwork Mon Jan 27 08:53:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amelie Delaunay X-Patchwork-Id: 11352221 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 2C4D71398 for ; Mon, 27 Jan 2020 08:54:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0ADCF21734 for ; Mon, 27 Jan 2020 08:54:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=st.com header.i=@st.com header.b="XxLDSW/o" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729449AbgA0IyF (ORCPT ); Mon, 27 Jan 2020 03:54:05 -0500 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:31958 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729423AbgA0IyF (ORCPT ); Mon, 27 Jan 2020 03:54:05 -0500 Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 00R8rFdF011482; Mon, 27 Jan 2020 09:53:47 +0100 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=ph4w8wTNIFAH7Lv1cHY+WCanej56MAlJja9BHKFQag4=; b=XxLDSW/oMTYlYGoDFhaCAy0QhI/ticramibopIUoEDsXm9T+L44NWf9NMnd8LcysTRkB xExnoMz9HiLgattMBBjlbHX5AmoTxGJjYZlDeFebU5uIoMtuS2akMUYbx9njCWlQyhVh rCuTdkB/HgCowGLe6WjRUfIWreG4fdq6IGL4ABVAZbhWW9ukVkiiCIHbKzINuN9+pxgG zJVae9Wosv6CbGwBsB3TqUUdqRTCKw9G2lA/TZkn/9xfMafPhsAaAKhcAR4dJp2wUfdi 0bWPx17GvXi6j945h3g5/JXcL1cMM4Ur+l3Ug00UzJDAaMALDLQkG9Dkuzb3+gC+x+y2 bw== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2xrbpar4st-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 27 Jan 2020 09:53:47 +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 604B6100038; Mon, 27 Jan 2020 09:53:42 +0100 (CET) Received: from Webmail-eu.st.com (sfhdag3node2.st.com [10.75.127.8]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 4F7ED21CA6A; Mon, 27 Jan 2020 09:53:42 +0100 (CET) Received: from localhost (10.75.127.47) by SFHDAG3NODE2.st.com (10.75.127.8) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Mon, 27 Jan 2020 09:53:41 +0100 From: Amelie Delaunay To: Vinod Koul , Dan Williams , Maxime Coquelin , Alexandre Torgue CC: , , , , Amelie Delaunay , Pierre-Yves MORDRET Subject: [PATCH 0/6] STM32 MDMA driver fixes and improvements Date: Mon, 27 Jan 2020 09:53:28 +0100 Message-ID: <20200127085334.13163-1-amelie.delaunay@st.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.75.127.47] X-ClientProxiedBy: SFHDAG5NODE3.st.com (10.75.127.15) To SFHDAG3NODE2.st.com (10.75.127.8) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.572 definitions=2020-01-27_02:2020-01-24,2020-01-27 signatures=0 Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org This series brings improvements to the MDMA driver, with support of power management and descriptor reuse. Probe function gets a cleanup and to avoid a race with vchan_complete, driver now adopts vchan_terminate_vdesc(). Amelie Delaunay (2): dmaengine: stm32-mdma: driver defers probe for clock and reset dmaengine: stm32-mdma: use vchan_terminate_vdesc() in .terminate_all Etienne Carriere (2): dmaengine: stm32-mdma: use reset controller only at probe time dmaengine: stm32-mdma: disable clock in case of error during probe Pierre-Yves MORDRET (2): dmaengine: stm32-mdma: add suspend/resume power management support dmaengine: stm32-mdma: enable descriptor_reuse drivers/dma/stm32-mdma.c | 78 +++++++++++++++++++++++++++++++--------- 1 file changed, 62 insertions(+), 16 deletions(-)