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Wed, 1 May 2024 21:55:32 -0700 Date: Wed, 1 May 2024 21:55:31 -0700 From: Nicolin Chen To: Jean-Philippe Brucker CC: , , , , , , , , , , , , , , , Subject: Re: [PATCH 2/3] iommu/of: Support ats-supported device-tree property Message-ID: References: <20240429113938.192706-2-jean-philippe@linaro.org> <20240429113938.192706-4-jean-philippe@linaro.org> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20240429113938.192706-4-jean-philippe@linaro.org> X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA2PEPF00003AE5:EE_|IA0PR12MB8863:EE_ X-MS-Office365-Filtering-Correlation-Id: 6dc9b31e-535f-4b05-a92c-08dc6a641fb1 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230031|1800799015|376005|7416005|36860700004; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?pmHXAZVqIvNIqbRVIIB5i7kRNctoM5L6i+f/RXpPXhtRDze86XMxPsqrUoPu?= =?us-ascii?Q?ZxkPM57ONgQ+EpiJf7U1g6OQmpy8F7x2RPZgrAEcu5cNdUSmuDw5Jp4ExnL8?= =?us-ascii?Q?i8yTPzacUWvfqIznVOTZIPbk6MuVmyaNBxUJxxOUUEXqbRpYV/j/KJB0gebz?= =?us-ascii?Q?l2fMLiL/dl6tKvzuMlWn9tEzb6bWCUNYyNTw4FJ1cStEywtCzEy3MbsIp3gG?= =?us-ascii?Q?axHfb57HSAn/Op4XvIZrN+u4iGAClIe2pYb1YU+7D9Gvy4l6tPhUlHn9XIhV?= =?us-ascii?Q?h5aDbvPpfmKTZvQV6cvIDrSn0fzAWBLniFG9V9gUnyKOEOIWnxtDMipjqlB+?= =?us-ascii?Q?odVspxxTvnkgMSovoHZ3thQpLsSUJuDH74SEgz5NVrioE7kl9O7pnqfyatLA?= =?us-ascii?Q?pDgboAhRt4RdAmd0os4SJ0KlcsLLHnbR6rs4cTQsXU5IRMti3LSM883jRxGv?= =?us-ascii?Q?3M5HFHo48E/eMeMrUNbDR4QcsrwKb+ADrrvLUR1UG7iINhtm/iSnDgYVZyru?= =?us-ascii?Q?ZnPl8vgW73Xo88plMBqWE6WLf8DI2IiiepG4gN8uSoR2LIZ1C/EjW+v7LzBS?= =?us-ascii?Q?/FaKsM7mLbDDRf3xc13SoduZirEFBMb6rIMHegLblJM4rvNEgz/H9xUrG297?= =?us-ascii?Q?R6EhTmR2EwjESXtqJ/10jqxIMzsOf5yIk30du4MPfI0YZq3td+/JmFjdxiS2?= =?us-ascii?Q?nymf+rOFvJhyawlw9AQsMuY/0aby5HkDu9WoTzY0ICv64C3D04BF5JfPZUYe?= =?us-ascii?Q?mqtFeKxHjFZtTfATzHHu3IwEUYvCw0SwdXRRoS1nP+3uWPlyZFGanrE7IyLr?= =?us-ascii?Q?ntiwzBiVbYdWNmRcQjuV65wng20zXQguStlRIMDCxVDYEr0TSd+M1VWAZLFr?= =?us-ascii?Q?Z8QbqentA/nCOYuZXOjP/i/YfUQPi4VxU5iKtyoG+g2MTdQEc/R8VTP8Ssqm?= =?us-ascii?Q?s2UxwCUmvEtcn6pJ+dotiVtschBRtprYMARIorgf2NLhWMBTgfQzVVM5/cLe?= =?us-ascii?Q?5Vrsg56+9qo8yWKBWGTHCl9qWd9z22mvDLwSE5QSnWmrj78I1zDX3n0PXhkN?= =?us-ascii?Q?iU4C92GQoMgfHHETmr76kANUP81xXfXxJSV5BlZQ30nRpca4vflf6686pXOa?= =?us-ascii?Q?A7T9FX1aS8LB7+m9ekXTC4p+m87+qlsSmGWbfbARss9xSCUCgh2hlttJFn4g?= =?us-ascii?Q?65YQNvKM4vZ2m8eOIyd6M56bqXaAFlrmIaVuvI+Y1EglbSXSZ9WnW65XNgmI?= =?us-ascii?Q?8j4tS1YHStWZ1ac0QGuthHgKq3mGfSRuopg0lULoPALanjnu3ewTP+rUkQ+U?= =?us-ascii?Q?/G+gtkh8AK4bwTUvmo+5p8jyrT9p57EWLTRxl5pkBuwqlUvKJ/wKu0GQPFtx?= =?us-ascii?Q?W1UqW3h8XIGBuGJM28sT5gxUIRuq?= X-Forefront-Antispam-Report: CIP:216.228.118.233;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge2.nvidia.com;CAT:NONE;SFS:(13230031)(1800799015)(376005)(7416005)(36860700004);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 May 2024 04:55:43.9528 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 6dc9b31e-535f-4b05-a92c-08dc6a641fb1 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.233];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SA2PEPF00003AE5.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA0PR12MB8863 On Mon, Apr 29, 2024 at 12:39:38PM +0100, Jean-Philippe Brucker wrote: > Device-tree declares whether a PCI root-complex supports ATS by setting > the "ats-supported" property. Copy this flag into device fwspec to let > IOMMU drivers quickly check if they can enable ATS for a device. > > Signed-off-by: Jean-Philippe Brucker > Tested-by: Ketan Patil Thank you for sending this! Reviewed-by: Nicolin Chen