From mboxrd@z Thu Jan 1 00:00:00 1970 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=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 2E997C10F03 for ; Fri, 22 Mar 2019 14:36:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F2AEC21900 for ; Fri, 22 Mar 2019 14:36:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729084AbfCVOgY (ORCPT ); Fri, 22 Mar 2019 10:36:24 -0400 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:12001 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728733AbfCVOgY (ORCPT ); Fri, 22 Mar 2019 10:36:24 -0400 Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx08-00178001.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x2MEXK33012146; Fri, 22 Mar 2019 15:36:11 +0100 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx08-00178001.pphosted.com with ESMTP id 2r8q5bvdu7-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Fri, 22 Mar 2019 15:36:11 +0100 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 0FE6E3F; Fri, 22 Mar 2019 14:36:11 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas24.st.com [10.75.90.94]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id C84505154; Fri, 22 Mar 2019 14:36:10 +0000 (GMT) Received: from SAFEX1HUBCAS23.st.com (10.75.90.47) by Safex1hubcas24.st.com (10.75.90.94) with Microsoft SMTP Server (TLS) id 14.3.435.0; Fri, 22 Mar 2019 15:36:10 +0100 Received: from lmecxl0923.lme.st.com (10.48.0.237) by webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.435.0; Fri, 22 Mar 2019 15:36:10 +0100 From: Ludovic Barre To: Mark Brown , Marek Vasut , Boris Brezillon , Rob Herring CC: Maxime Coquelin , Alexandre Torgue , , , , , , , Ludovic Barre Subject: [PATCH 0/2] spi: stm32-qspi: add dma support Date: Fri, 22 Mar 2019 15:35:52 +0100 Message-ID: <1553265354-16433-1-git-send-email-ludovic.Barre@st.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.48.0.237] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-03-22_08:,, signatures=0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ludovic Barre This patch series adds dma support for the stm32-qspi. In read mode, the memory map is preferred vs dma (due to better throughput). If the dma transfer fails the buffer is sent by polling. Ludovic Barre (2): spi: stm32-qspi: add spi_master_put in release function spi: stm32-qspi: add dma support drivers/spi/spi-stm32-qspi.c | 182 ++++++++++++++++++++++++++++++++++++++----- 1 file changed, 163 insertions(+), 19 deletions(-) -- 2.7.4