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Mon, 26 Apr 2021 12:44:24 +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 BCB0910002A; Mon, 26 Apr 2021 12:44:23 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag2node3.st.com [10.75.127.6]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id A70D3243D2F; Mon, 26 Apr 2021 12:44:23 +0200 (CEST) Received: from lmecxl0573.lme.st.com (10.75.127.48) by SFHDAG2NODE3.st.com (10.75.127.6) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 26 Apr 2021 12:44:23 +0200 Subject: Re: [1/1] ARM: dts: stm32: Configure qspi's mdma transfer to block for stm32mp151 To: , , CC: , , , , , , "Christophe Kerello" References: <20210426103956.29007-1-patrice.chotard@foss.st.com> From: Patrice CHOTARD Message-ID: Date: Mon, 26 Apr 2021 12:44:22 +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: <20210426103956.29007-1-patrice.chotard@foss.st.com> Content-Language: en-US X-Originating-IP: [10.75.127.48] X-ClientProxiedBy: SFHDAG1NODE2.st.com (10.75.127.2) 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=2021-04-26_03:2021-04-26, 2021-04-26 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210426_034433_234089_07A4DFC1 X-CRM114-Status: GOOD ( 17.62 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Don't take care of this patch, i will resend it with the correct header. Patrice On 4/26/21 12:39 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>; > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel