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Mon, 14 Feb 2022 11:02:34 +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 D243A10002A; Mon, 14 Feb 2022 11:02:32 +0100 (CET) Received: from Webmail-eu.st.com (sfhdag2node2.st.com [10.75.127.5]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id C195D2194F3; Mon, 14 Feb 2022 11:02:32 +0100 (CET) Received: from [10.48.0.252] (10.75.127.45) by SFHDAG2NODE2.st.com (10.75.127.5) with Microsoft SMTP Server (TLS) id 15.0.1497.26; Mon, 14 Feb 2022 11:02:32 +0100 Message-ID: <8e42cb99-a442-062a-cf0a-2f8d8aff0ab3@foss.st.com> Date: Mon, 14 Feb 2022 11:02:22 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [PATCH 00/16] STM32 configure UART nodes for DMA Content-Language: en-US To: Erwan Le Ray CC: Rob Herring , Maxime Coquelin , Manivannan Sadhasivam , Marek Vasut , Marcin Sloniewski , Ahmad Fatoum , Jagan Teki , , , , References: <20220203171114.10888-1-erwan.leray@foss.st.com> From: Alexandre TORGUE In-Reply-To: <20220203171114.10888-1-erwan.leray@foss.st.com> X-Originating-IP: [10.75.127.45] X-ClientProxiedBy: SFHDAG2NODE2.st.com (10.75.127.5) To SFHDAG2NODE2.st.com (10.75.127.5) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.816,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2022-02-14_02,2022-02-14_02,2021-12-02_01 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220214_020254_567865_FD0DB7DD X-CRM114-Status: GOOD ( 17.43 ) 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-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2/3/22 18:10, Erwan Le Ray wrote: > Add DMA configuration to UART nodes in stm32mp15x (SOC level) and > remove it at board level to keep current PIO behavior when needed. > For stm32-ed1 and stm32-dkx boards, UART4 (console) and UART7 > (no HW flow control pin available) are kept in PIO mode, while USART3 > is now configured in DMA mode. > UART4 (console UART) has to be kept in irq mode, as DMA support for > console has been removed from the driver by commit e359b4411c28 > ("serial: stm32: fix threaded interrupt handling"). > > For other stm32mp15x-based boards, current configuration is kept for > all UART instances. > > Erwan Le Ray (16): > ARM: dts: stm32: add DMA configuration to UART nodes on stm32mp151 > ARM: dts: stm32: keep uart4 behavior on stm32mp157c-ed1 > ARM: dts: stm32: keep uart4 and uart7 behavior on stm32mp15xx-dkx > ARM: dts: stm32: keep uart4 behavior on icore-stm32mp1-ctouch2 > ARM: dts: stm32: keep uart4 behavior on icore-stm32mp1-edimm2.2 > ARM: dts: stm32: keep uart4 behavior on stm32mp157a-iot-box > ARM: dts: stm32: keep uart nodes behavior on stm32mp1-microdev2.0-of7 > ARM: dts: stm32: keep uart nodes behavior on stm32mp1-microdev2.0 > ARM: dts: stm32: keep uart nodes behavior on stm32mp157a-stinger96 > ARM: dts: stm32: keep uart4 behavior on stm32mp157c-lxa-mc1 > ARM: dts: stm32: keep uart4 behavior on stm32mp157c-odyssey > ARM: dts: stm32: keep uart nodes behavior on stm32mp15xx-dhcom-drc02 > ARM: dts: stm32: keep uart nodes behavior on stm32mp15xx-dhcom-pdk2 > ARM: dts: stm32: keep uart nodes behavior on stm32mp15xx-dhcom-picoitx > ARM: dts: stm32: keep uart4 behavior on stm32mp15xx-dhcom-som > ARM: dts: stm32: keep uart nodes behavior on > stm32mp15xx-dhcor-avenger96 > > arch/arm/boot/dts/stm32mp151.dtsi | 21 +++++++++++++++++++ > .../stm32mp157a-icore-stm32mp1-ctouch2.dts | 2 ++ > .../stm32mp157a-icore-stm32mp1-edimm2.2.dts | 2 ++ > arch/arm/boot/dts/stm32mp157a-iot-box.dts | 2 ++ > ...157a-microgea-stm32mp1-microdev2.0-of7.dts | 4 ++++ > ...32mp157a-microgea-stm32mp1-microdev2.0.dts | 4 ++++ > arch/arm/boot/dts/stm32mp157a-stinger96.dtsi | 6 ++++++ > arch/arm/boot/dts/stm32mp157c-ed1.dts | 2 ++ > arch/arm/boot/dts/stm32mp157c-lxa-mc1.dts | 2 ++ > arch/arm/boot/dts/stm32mp157c-odyssey.dts | 2 ++ > .../arm/boot/dts/stm32mp15xx-dhcom-drc02.dtsi | 4 ++++ > arch/arm/boot/dts/stm32mp15xx-dhcom-pdk2.dtsi | 4 ++++ > .../boot/dts/stm32mp15xx-dhcom-picoitx.dtsi | 4 ++++ > arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi | 2 ++ > .../boot/dts/stm32mp15xx-dhcor-avenger96.dtsi | 6 ++++++ > arch/arm/boot/dts/stm32mp15xx-dkx.dtsi | 4 ++++ > 16 files changed, 71 insertions(+) > Series applied on stm32-next. Thanks Alex _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel