From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-m16.yeah.net (mail-m16.yeah.net [220.197.32.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CA3B3262FE9 for ; Mon, 7 Jul 2025 09:00:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.32.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751878816; cv=none; b=fDOYVYKn6FBsn/yunbV5NDrvoutPWe5n8nUPECuLA28iso/v1F2WfvaO32yh3Zi3aQXfCdOVEkjVpQRGT+MaSQZgVsjeAkDlHcaOEZmM9lhaMcVVK2FFiTjNhDN3LjjBNAOCSNPIOKGxLCySGDrCmnuLZxDskPCdQepgbuYCKpI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751878816; c=relaxed/simple; bh=MTKpsIgeW6LKhzv/n15vzUl20MWMaQ5G9qNXsAqBv9c=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=aHp+Owyu4bsP2WVnfySRglpSSBS49xez52Bzisw5llKZI+nT6IUxCKalq0J7Qk7AXxazBscVJtsLyJ+crOihNZcVSW3CE2A2ER7psKOiDCkGh/nREzX9UfEUBLUEsbI7LQiRBfk7P3rM53uJbv5Pk5pB5X25eYTJ1H60TWg4o6Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=yeah.net; spf=pass smtp.mailfrom=yeah.net; dkim=pass (1024-bit key) header.d=yeah.net header.i=@yeah.net header.b=j+zmUsHV; arc=none smtp.client-ip=220.197.32.19 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=yeah.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=yeah.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=yeah.net header.i=@yeah.net header.b="j+zmUsHV" 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> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: 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-CM-SenderInfo: pvkd40hjxrjqh1hdxhhqhw/1tbiCQWDZWhrVpnALQAAsL 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!