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(unknown [172.20.64.188]) by smtprelay.cixcomputing.com (Postfix) with ESMTPSA id 86FB441609D1; Thu, 21 May 2026 15:29:26 +0800 (CST) From: Jun Guo To: peter.chen@cixtech.com, fugang.duan@cixtech.com, robh@kernel.org, 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 Cc: dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, cix-kernel-upstream@cixtech.com, linux-arm-kernel@lists.infradead.org, Jun Guo Subject: [PATCH v7 1/2] dmaengine: arm-dma350: enable ANYCH interrupt for shared IRQ wiring Date: Thu, 21 May 2026 15:29:23 +0800 Message-Id: <20260521072924.3000282-2-jun.guo@cixtech.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260521072924.3000282-1-jun.guo@cixtech.com> References: <20260521072924.3000282-1-jun.guo@cixtech.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: OSA0EPF000000CA:EE_|JH0PR06MB7210:EE_ Content-Type: text/plain X-MS-Office365-Filtering-Correlation-Id: 69bd018c-f766-415b-beaa-08deb70ab15a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|36860700016|376014|7416014|1800799024|921020|56012099003|22082099003|18002099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:222.71.101.198;CTRY:CN;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:smtprelay.cixcomputing.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(82310400026)(36860700016)(376014)(7416014)(1800799024)(921020)(56012099003)(22082099003)(18002099003);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 7UMuOIDWE+t80N65kWd9RJrP6rQKkO5lT6sDtdQ4/1FRDxpM6oCzI+EoyHPDE7LQwJ3rxGmd0iB5upumrYtqM/nVCphvr7WVU7ntN95k6O/HrWUJtz6KAR8LaRP+Ahk3nev36dYj4EJls+QY7Ce8tVM02s1mdqlXBKtq6NWCDvpXCjCPwpnZtxZ+XO71YLeUoS+xm2e16JHIN0CtT+mUTHDKZclV2QDkm4t+on7K7x+8Ljn6RMjaS9Df+H3nxS/EqsRUIqnfHCH2jb91Wgo6svJbD/WZcZbap/nQdbfzYfSuAO9kfVKitCm49cPAK4MepK2/SSiGhIVGvTksCcFSOfigHjz47/q2bvrQ1VW1r+P13Gj12ChUJOQBme5MvE7ouf6AppPG4CwwstmnL6bQffgHlJnFjs6+36SwueDczy58vZzVvsFfdRkcdNEg9N2T X-OriginatorOrg: cixtech.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 May 2026 07:29:28.3849 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 69bd018c-f766-415b-beaa-08deb70ab15a 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: OSA0EPF000000CA.apcprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: JH0PR06MB7210 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260521_002943_868145_BE2034CF X-CRM114-Status: GOOD ( 11.19 ) 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 Enable DMANSECCTRL.INTREN_ANYCHINTR during probe so channel interrupts are propagated when integrators wire DMA-350 channels onto a shared IRQ line. Signed-off-by: Jun Guo --- drivers/dma/arm-dma350.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/dma/arm-dma350.c b/drivers/dma/arm-dma350.c index 84220fa83029..09403aca8bb0 100644 --- a/drivers/dma/arm-dma350.c +++ b/drivers/dma/arm-dma350.c @@ -13,6 +13,11 @@ #include "dmaengine.h" #include "virt-dma.h" +#define DMANSECCTRL 0x200 + +#define NSEC_CTRL 0x0c +#define INTREN_ANYCHINTR_EN BIT(0) + #define DMAINFO 0x0f00 #define DMA_BUILDCFG0 0xb0 @@ -582,6 +587,10 @@ static int d350_probe(struct platform_device *pdev) dmac->dma.device_issue_pending = d350_issue_pending; INIT_LIST_HEAD(&dmac->dma.channels); + reg = readl_relaxed(base + DMANSECCTRL + NSEC_CTRL); + writel_relaxed(reg | INTREN_ANYCHINTR_EN, + base + DMANSECCTRL + NSEC_CTRL); + /* Would be nice to have per-channel caps for this... */ memset = true; for (int i = 0; i < nchan; i++) { -- 2.34.1