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 548F6CAC5A9 for ; Thu, 18 Sep 2025 09:33:15 +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:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:To:From:Reply-To: Cc:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=PVU5tGHmqG4x9iEcm9yxe9Fmkvi5HlHhHBrkCZ7w1SQ=; b=SgrDGkQc4ZoacSAoeRYGNSG3Sy c+sVGFvMejxxKLx660gP53HAH4sfLuNlkN+NKMn13yKEwWgzOPfSWRiTbY6nAR0JUe1IUINg10TZK hzk3XsPjePsbE7gJKuNIjqlcfj2MIfs5fZOZJnlBW6WUbZ415YUHJvTCsMQjYq7LZVcGPi+3Jsj89 xm1Hk7YB3xKpq9a6ECl5XzaVGSgSb9Synpc3EqsCLWHg+R4QKwhy1S7XqbHylHF4HiPB7gIOGEFWT IVYQfkykaOKnyh2zD7fmIuNm12aNGIXoi9W/636tS6NXCmwtyeexQnich6ZBnj9ZkQtkFmvvhl5jQ eH+VyCYw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uzB0l-0000000GtDs-40qJ; Thu, 18 Sep 2025 09:33:07 +0000 Received: from mail1.nippynetworks.com ([91.220.24.129]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uzB0g-0000000Gt9V-34kO; Thu, 18 Sep 2025 09:33:03 +0000 Received: from grunt.nippynetworks.lan (unknown [94.228.36.46]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature ECDSA (P-256) server-digest SHA256) (No client certificate requested) (Authenticated sender: lists@wildgooses.com) by mail1.nippynetworks.com (Postfix) with ESMTPSA id 4cS9RJ4jR4zkd2x; Thu, 18 Sep 2025 10:33:00 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=wildgooses.com; s=dkim; t=1758187980; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=PVU5tGHmqG4x9iEcm9yxe9Fmkvi5HlHhHBrkCZ7w1SQ=; b=klIMJ9qLJs52WqW0Fi9hfKFB/aHJfZRnLeN/UBB8NfrpEbu610iFaYqdFpgpqXtnF1QTp6 YVKHv1maBMPStFALL3IvsMBh1QEosSzwUfxrOy7/YJlkn1ov3CAAO4jI5nDQbCifUt9351 TN2V/TjbwHAcg0eT+5+PdCMRvFvfTX4= From: Ed Wildgoose To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Ed Wildgoose , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/2] rockchip: dts: Enable UART DMA by adding default dma-names property Date: Thu, 18 Sep 2025 09:32:46 +0000 Message-ID: <20250918093246.15623-3-lists@wildgooses.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250918093246.15623-1-lists@wildgooses.com> References: <20250917114932.25994-1-lists@wildgooses.com> <20250918093246.15623-1-lists@wildgooses.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250918_023302_907229_E77A89FC X-CRM114-Status: GOOD ( 10.06 ) 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 Kernel appears to need a dma-names set for DMA to actually enable. Set a default dma-names property for all UARTs defined in the board definition: rk3566-radxa-zero-3.dtsi This is tested on a Radxa Zero 3W (which has 5x UARTs) and removes the warnings and enables DMA on this platform Signed-off-by: Ed Wildgoose --- arch/arm64/boot/dts/rockchip/rk3566-radxa-zero-3.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3566-radxa-zero-3.dtsi b/arch/arm64/boot/dts/rockchip/rk3566-radxa-zero-3.dtsi index e644bfc9c..fc26a4a52 100644 --- a/arch/arm64/boot/dts/rockchip/rk3566-radxa-zero-3.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3566-radxa-zero-3.dtsi @@ -488,21 +488,29 @@ &tsadc { status = "okay"; }; +&uart1 { + dma-names = "tx", "rx"; +}; + &uart2 { + dma-names = "tx", "rx"; status = "okay"; }; &uart4{ + dma-names = "tx", "rx"; pinctrl-names = "default"; pinctrl-0 = <&uart4m1_xfer>; }; &uart5 { + dma-names = "tx", "rx"; pinctrl-names = "default"; pinctrl-0 = <&uart5m1_xfer>; }; &uart9 { + dma-names = "tx", "rx"; pinctrl-names = "default"; pinctrl-0 = <&uart9m1_xfer>; }; -- 2.49.0