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Wed, 8 Apr 2026 06:39:18 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 222.71.101.198) smtp.mailfrom=cixtech.com; dkim=none (message not signed) header.d=none;dmarc=bestguesspass action=none header.from=cixtech.com; Received-SPF: Pass (protection.outlook.com: domain of cixtech.com designates 222.71.101.198 as permitted sender) receiver=protection.outlook.com; client-ip=222.71.101.198; helo=smtprelay.cixcomputing.com; pr=C Received: from smtprelay.cixcomputing.com (222.71.101.198) by TY2PEPF0000AB88.mail.protection.outlook.com (10.167.253.11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9769.17 via Frontend Transport; Wed, 8 Apr 2026 06:39:18 +0000 Received: from [172.20.96.43] (unknown [172.20.96.43]) by smtprelay.cixcomputing.com (Postfix) with ESMTPSA id 3D6044126F83; Wed, 8 Apr 2026 14:39:17 +0800 (CST) Message-ID: Date: Wed, 8 Apr 2026 14:39:16 +0800 Precedence: bulk X-Mailing-List: dmaengine@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 1/3] dt-bindings: dma: arm-dma350: document combined and per-channel IRQ topologies To: Rob Herring Cc: peter.chen@cixtech.com, fugang.duan@cixtech.com, krzk+dt@kernel.org, conor+dt@kernel.org, vkoul@kernel.org, ychuang3@nuvoton.com, schung@nuvoton.com, robin.murphy@arm.com, Frank.Li@kernel.org, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, cix-kernel-upstream@cixtech.com, linux-arm-kernel@lists.infradead.org References: <20260324120113.3681830-1-jun.guo@cixtech.com> <20260324120113.3681830-2-jun.guo@cixtech.com> <20260407172014.GA3090142-robh@kernel.org> Content-Language: en-US From: Jun Guo In-Reply-To: <20260407172014.GA3090142-robh@kernel.org> Content-Type: text/plain; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: VmVCGsM+k0us2VAykKy5xlzg7Cs3q5cIInY7lVOaZsdcCKJ3AsdNad+U6TLYItcM8aNUQlAo8o1sGIkoL7/DddmNqNFcrn3zonJDreqMu6AzWFPhB6VZhBHRRXON2kEaMDLURUjDFwG+moHGewLLQVp7bfyZ0b5uxd5zk5xfKoQ4OF+aeQTv2+B3TQlBpyjPmqy9k7WO2BDKSDPVCU57T+Bx39GOyh3l4BZ1rYN4I9rR7wFgkedtch1Rk9LNpM1sQzDoiAp9Lx5jGRbdMrMSWWb4MiXuNNiXyq3HtHm754lBJnpuN9BhJZl7Ok7PRmG3CSbFo0eMGpcr0bvspb4T44midy1IYTZDZdX99b+V3WaQKSmmp8g0t4J6FaM8x3RPADi/T9jWThlabRI8mXjpOzR+bzKfRUbqUMBubokwwJpbowCWPTKmiq8xjiBbgDq6 X-OriginatorOrg: cixtech.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Apr 2026 06:39:18.4548 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8db1028a-cf41-4d8e-a851-08de95398f82 X-MS-Exchange-CrossTenant-Id: 0409f77a-e53d-4d23-943e-ccade7cb4811 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=0409f77a-e53d-4d23-943e-ccade7cb4811;Ip=[222.71.101.198];Helo=[smtprelay.cixcomputing.com] X-MS-Exchange-CrossTenant-AuthSource: TY2PEPF0000AB88.apcprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: TYSPR06MB6289 Hi Rob, Thanks for your review. I have already resubmitted the V6 patch. Please take a look at the latest v6 patch when you have time, as it includes considerable changes compared to the v5 version. On 4/8/2026 1:20 AM, Rob Herring wrote: > EXTERNAL EMAIL > > On Tue, Mar 24, 2026 at 08:01:11PM +0800, Jun Guo wrote: >> Document the interrupt topologies supported by DMA-350 integration: >> - one combined interrupt for all channels, or >> - one interrupt per channel (up to 8 channels). >> >> Assisted-by: Cursor:GPT-5.3-Codex >> Signed-off-by: Jun Guo >> --- >> .../devicetree/bindings/dma/arm,dma-350.yaml | 25 ++++++++++++------- >> 1 file changed, 16 insertions(+), 9 deletions(-) >> >> diff --git a/Documentation/devicetree/bindings/dma/arm,dma-350.yaml b/Documentation/devicetree/bindings/dma/arm,dma-350.yaml >> index 429f682f15d8..bec9dc32541b 100644 >> --- a/Documentation/devicetree/bindings/dma/arm,dma-350.yaml >> +++ b/Documentation/devicetree/bindings/dma/arm,dma-350.yaml >> @@ -22,15 +22,22 @@ properties: >> >> interrupts: >> minItems: 1 >> - items: >> - - description: Channel 0 interrupt >> - - description: Channel 1 interrupt >> - - description: Channel 2 interrupt >> - - description: Channel 3 interrupt >> - - description: Channel 4 interrupt >> - - description: Channel 5 interrupt >> - - description: Channel 6 interrupt >> - - description: Channel 7 interrupt >> + maxItems: 8 > > Don't need maxItems > >> + description: >> + Either one interrupt per channel (8 interrupts), or one >> + combined interrupt for all channels. >> + oneOf: >> + - items: >> + - description: Channel 0 interrupt >> + - description: Channel 1 interrupt >> + - description: Channel 2 interrupt >> + - description: Channel 3 interrupt >> + - description: Channel 4 interrupt >> + - description: Channel 5 interrupt >> + - description: Channel 6 interrupt >> + - description: Channel 7 interrupt >> + - items: >> + - description: Combined interrupt shared by all channels >> >> "#dma-cells": >> const: 1 >> -- >> 2.34.1 >>