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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AA195C83F07 for ; Mon, 7 Jul 2025 09:37:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=NlfspyJjbSk5hoUC2w/Rc3ZtDhkI9SmVzdkEY6k5DMg=; b=r5+sljgAEe3Ut7O7ndcfpiHgfj RSbQhMyDOrAP1o7tIMudXgYpqTuTqtdluzq+mnsXs1lvUSfOLwnVnCD0CMQb4XI8tr0ZO1F0bd5YP mownxCJjh/bg/83TBhXHxlCqcMbaPXCIBwV5/nxi+zNB1PXEG44ZQdn5AT6BXfeSv559Ly/amL8N4 n7TTes3ZT87TE71OI5DaBB+2u3U6mxDIU3csUyVs7+cD64t5s3Q2CcR7rULrwO2MSbN0EQPG7ALTj R+tBaZqyT+Wfwdoq5H9hDmCI+jBd0UpefUci8b/fIeXUiUMLx8PWAiJH4y6O+gb67QTl0eHx3S5Yw 38Bh2fXg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uYiHe-000000020Jp-3MXU; Mon, 07 Jul 2025 09:37:10 +0000 Received: from mail-m16.yeah.net ([220.197.32.18]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uYhhk-00000001ui1-1K2T for linux-arm-kernel@lists.infradead.org; Mon, 07 Jul 2025 09:00:05 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yeah.net; s=s110527; h=Date:From:To:Subject:Message-ID:MIME-Version: Content-Type; bh=NlfspyJjbSk5hoUC2w/Rc3ZtDhkI9SmVzdkEY6k5DMg=; b=j+zmUsHVSPFrZdUoR2WWjvIiHwwkKBdwCqCPC+3NmBplpzl+/IgDHia0T1yfBL ni5LiRmgaBonuMSXa8K5DIhxTCrLNTaDNop8Uxyy0aEXVt31RqqSoXmlkgpVsW4Y aLTSjXURy0k3RWhBb9ruUNAUsVVgYYNr6cYzqy3/No8hQ= Received: from dragon (unknown []) by gzsmtp2 (Coremail) with SMTP id Ms8vCgCXluN_jGtoVAF6AA--.63095S3; Mon, 07 Jul 2025 16:59:45 +0800 (CST) Date: Mon, 7 Jul 2025 16:59:43 +0800 From: Shawn Guo To: Adam Ford Cc: linux-arm-kernel@lists.infradead.org, aford@beaconembedded.com, Fabio Estevam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH V2 1/2] arm64: dts: imx8mm: Configure DMA on UART2 Message-ID: References: <20250703113810.73023-1-aford173@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250703113810.73023-1-aford173@gmail.com> X-CM-TRANSID: Ms8vCgCXluN_jGtoVAF6AA--.63095S3 X-Coremail-Antispam: 1Uf129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7v73 VFW2AGmfu7bjvjm3AaLaJ3UbIYCTnIWIevJa73UjIFyTuYvjxUwYLvDUUUU X-Originating-IP: [114.216.146.217] X-CM-SenderInfo: pvkd40hjxrjqh1hdxhhqhw/1tbiCQWDZWhrVpnALQAAsL X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250707_020004_747316_44B4B7D2 X-CRM114-Status: GOOD ( 11.52 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Jul 03, 2025 at 06:38:09AM -0500, Adam Ford wrote: > UART2 is often used as the console, so the DMA was likely left > off on purpose, since it's recommended to not use the DMA on the > console. Because, the driver checks to see if the UART is used for > the console when determining if it should initialize DMA, it > should be safe to enable DMA on UART2 for all users. > > Signed-off-by: Adam Ford > Reviewed-by: Fabio Estevam Applied both, thanks!