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Fri, 13 Mar 2026 13:20:24 -0700 Date: Fri, 13 Mar 2026 13:20:23 -0700 From: Nicolin Chen To: Qinxin Xia CC: , , , , , , , , , Subject: Re: [RFC PATCH 2/5] iommu/arm-smmu-v3: Add register display to debugfs Message-ID: References: <20260313104351.3502293-1-xiaqinxin@huawei.com> <20260313104351.3502293-3-xiaqinxin@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20260313104351.3502293-3-xiaqinxin@huawei.com> X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS2PEPF000061C1:EE_|LV2PR12MB5918:EE_ X-MS-Office365-Filtering-Correlation-Id: 0f06f9d0-3ae5-4bfa-e91a-08de813e02b4 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|82310400026|36860700016|1800799024|22082099003|56012099003|18002099003; X-Microsoft-Antispam-Message-Info: 8OeKcuLsxL7hUcqMaq4woFkFPReIgFpXe29T+0derMQbvhRxMWenYTlr91UlkTQRbDt+sz7z6CGwqpdbDrnJEIWRMFnbRV2VoKHAynFH85YB/eqs3Dda7fKld3xddJZk1KmVk6zu/n/beo9NaoZ/z2i7ScFtM06h0SqJR7O6SkKXuoPuK2X2xetsTDpaVqul6U/KuDMMk2PQCRxgZBLYNAUvURwRjSr9js5EcYPmYQzmI6z3jPd97BR+fADx3S4V1fzQRTQFyDLwyMqAyZsaqTcgzRpQfZpx1MrXYGuxTCHQyI9VK2eg/r4AEgJi/sGig4B+0f4fGTvoWAIlkqTvLCLpWJjmV5/jVyMfT5uj0MkZ4qge4dHIlLLsvmGdzhgDuHxolNE+hAbyFEwY0GZ5AqM61VbO0R6RIlZm0F+4qT4N8scuPUjdpRJYD7nlXFtHSTWROUD8gxEDiu4+c7rVbZ24WNL0VDvFrptE/Sdg3fzCsGxgIql8nYjm3O7Vq+oLyCSm0ukC+WPR8E/xc1AeWA5Z+TnvsjjjXiwU0AeuWlNauAJR+dcWcfeSjdDSZ31eRfQIP7lfX7nZFKJwHBfqux84SlMSznhQfRvcHyqobeAuFRhTi1vDri0Xz4RJyP8yaRh7p9B4ABFxezH4VdPbZQCW/vmPPPAsjS6Ot83C02s+MY/l+5PAJ3K8FSTRlYa5UG8mo7FZdUAfiGFXhzPBbQ823B39tsFWSrEBmDSAjepDhVyW8xIELtPfArGnx8ndMC5018ustptzPjKEhIFVrQ== X-Forefront-Antispam-Report: CIP:216.228.117.160;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge1.nvidia.com;CAT:NONE;SFS:(13230040)(376014)(7416014)(82310400026)(36860700016)(1800799024)(22082099003)(56012099003)(18002099003);DIR:OUT;SFP:1101; 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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 Fri, Mar 13, 2026 at 06:43:48PM +0800, Qinxin Xia wrote: > +/** > + * smmu_debugfs_registers_show() - Display SMMU register values > + * @seq: seq_file to write to > + * @v: private data (SMMU device) > + * > + * Return: 0 on success, negative error code on failure > + */ > +static int smmu_debugfs_registers_show(struct seq_file *seq, void *v) @v seems unused as well. Nicolin