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=-17.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 F34DDC47080 for ; Tue, 1 Jun 2021 07:25:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C52A561396 for ; Tue, 1 Jun 2021 07:25:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231139AbhFAH1H (ORCPT ); Tue, 1 Jun 2021 03:27:07 -0400 Received: from mx07-00178001.pphosted.com ([185.132.182.106]:40176 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229984AbhFAH1H (ORCPT ); Tue, 1 Jun 2021 03:27:07 -0400 Received: from pps.filterd (m0241204.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 15176McM001417; Tue, 1 Jun 2021 09:25:13 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h=subject : to : cc : references : from : message-id : date : mime-version : in-reply-to : content-type : content-transfer-encoding; s=selector1; bh=45wLACesYLdx/fidHq/10HQRw+yA+2NLYy1OFfLkUY0=; b=w3LJSOAvjXw9Q9LG0VhLXGNkA8xUi4mR1jWtoV+NbfDMcnXn4JJsqFjMGtXhpEf/iNA0 PLZyM3hkbR4CRFR4/0Z8Y6kFClYwi+UxRR9P0sq+dOj5AAye7BPzaET3le+tB3yMxezp gkbhtnXzecBtYYQT5jm99q7r7j/yC6jYxnBoB1KznU2MgbHymi+ng04lgYHHWA7cJVfO BX1rsNySwDDQQS0aRjh2aSJGPWYU9AwFNHhM0R9IKaQk1C54D3Mmle8R/tiwD+gY/mgC H/iv1HR5zzDb/UxcW/ouRIMeTZ8BdYID2ZI8+qAEfa8yQLRPAFLX8FL1YZiJW31LUPUJ iA== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 38w49cju3q-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 01 Jun 2021 09:25:13 +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 F035510002A; Tue, 1 Jun 2021 09:25:11 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag2node3.st.com [10.75.127.6]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 9D846212317; Tue, 1 Jun 2021 09:25:11 +0200 (CEST) Received: from lmecxl0912.lme.st.com (10.75.127.47) by SFHDAG2NODE3.st.com (10.75.127.6) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 1 Jun 2021 09:25:10 +0200 Subject: Re: [PATCH 1/1] ARM: dts: stm32: Configure qspi's mdma transfer to block for stm32mp151 To: , , CC: , , , , , , Christophe Kerello References: <20210426104536.29576-1-patrice.chotard@foss.st.com> From: Alexandre TORGUE Message-ID: <21433a39-979a-b7ea-295a-fae208b9a52a@foss.st.com> Date: Tue, 1 Jun 2021 09:25:09 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20210426104536.29576-1-patrice.chotard@foss.st.com> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.75.127.47] X-ClientProxiedBy: SFHDAG3NODE3.st.com (10.75.127.9) To SFHDAG2NODE3.st.com (10.75.127.6) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391,18.0.761 definitions=2021-06-01_03:2021-05-31,2021-06-01 signatures=0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Hi Patrice On 4/26/21 12:45 PM, patrice.chotard@foss.st.com wrote: > From: Patrice Chotard > > Configure qspi's mdma from buffer transfer (max 128 bytes) to > block transfer (max 64K bytes). > > mtd_speedtest shows that write throughtput increases : > - from 734 to 782 KiB/s (~6.5%) with s25fl512s SPI-NOR. > - from 4848 to 5319 KiB/s (~9.72%) with Micron SPI-NAND. > > Signed-off-by: Christophe Kerello > Signed-off-by: Patrice Chotard > --- > arch/arm/boot/dts/stm32mp151.dtsi | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/arch/arm/boot/dts/stm32mp151.dtsi b/arch/arm/boot/dts/stm32mp151.dtsi > index 4b8031782555..cb326c1e12bc 100644 > --- a/arch/arm/boot/dts/stm32mp151.dtsi > +++ b/arch/arm/boot/dts/stm32mp151.dtsi > @@ -1358,8 +1358,8 @@ > reg = <0x58003000 0x1000>, <0x70000000 0x10000000>; > reg-names = "qspi", "qspi_mm"; > interrupts = ; > - dmas = <&mdma1 22 0x2 0x100002 0x0 0x0>, > - <&mdma1 22 0x2 0x100008 0x0 0x0>; > + dmas = <&mdma1 22 0x2 0x10100002 0x0 0x0>, > + <&mdma1 22 0x2 0x10100008 0x0 0x0>; > dma-names = "tx", "rx"; > clocks = <&rcc QSPI_K>; > resets = <&rcc QSPI_R>; > Applied on stm32-next. Thanks. Alex