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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Mon, Dec 06, 2021 at 06:47:45AM -0800, Christoph Hellwig wrote: > On Mon, Dec 06, 2021 at 10:45:35AM -0400, Jason Gunthorpe via iommu wrote: > > IIRC the only thing this function does is touch ACPI and OF stuff? > > Isn't that firmware? > > > > AFAICT amba uses this because AMBA devices might be linked to DT > > descriptions? > > But DT descriptions aren't firmware. They are usually either passed onb > the bootloader or in some deeply embedded setups embedded into the > kernel image. Pedenatically yes, but do you know of a common word to refer to both OF and ACPI that is better than firmware? :) AFAICT we already use firwmare for this in a few places, eg fwnode_handle and so on. 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?wz981IQHcmE3qe40G09+HOF1+ReCjSdPgYuszb7xFAbxIG/xf1xnEfLdKo/G?= =?us-ascii?Q?ebbLgZJv3ZVReGa+SMZ1uNmlDHokb6qQ982Yf9eg6jmASlDKTJGKcN9huK5z?= =?us-ascii?Q?yYxk2Pazb4kD9p9QyGAjP59sTpa3OzbRMTar0VNEIAkPLtetHHx+/jSidyj0?= =?us-ascii?Q?h5gozntb9nrwY6mq+e3Rk149RnK94xcC/5WGOwBSdiO5mlq7lBJMfYMbcaMU?= =?us-ascii?Q?VrIcE55qziydWFSVSJYA0reaagXD2l33X1njIAv002ocML0y2FG5fF6lvYuv?= =?us-ascii?Q?ES/W1Hzm+y3uiZ4vim0KeNX36ihgfI6j4HhqXiNz72bGGpdBOM/iQiIzEsh6?= =?us-ascii?Q?r8/l4zckMLN/7f4r64WBIPoTu8pVAld6uF3Lifcjhb++75GqmVS4qkVfPa8n?= =?us-ascii?Q?YE9iu2NHsYVXAuDjfVUHg2YshwISyK/cTJvulaSSuThSVsJnwYFoTV7XhOBw?= =?us-ascii?Q?LOGpi2UkvoawhtvhSaBxWT+q9RVn6/N9FEgowE+C3rut4P9EskBxWTMnWlcM?= =?us-ascii?Q?lvGdmXd56lMbWt0Vakj+1Qu7TR9aoqNJBqUfhTNCdAYv9Zf2WvOkyJcD/BUo?= =?us-ascii?Q?L6gQLyc+ywKs5yxPSwzwTSq4TuH3p3eLKPjjXjw21xSm54GIliFoCrFunYUs?= =?us-ascii?Q?BKMlKBmqVz3StyNS+vfvaUjtHBoea9pO3i7lBTYI7tIN7WnLaJYa3ViCbfrE?= =?us-ascii?Q?Rr+z2PnSudYBvx3wpyyDTBSFZhVW336HLgyL+NCR/pUUUtntAwQ3ZX8SUQba?= =?us-ascii?Q?/KhevkRNmR4f4ZCvxmy4AzaYj06F2GU8KMqyoJuE0fvcKDRGTa5ueh+Zdfwf?= =?us-ascii?Q?IrkPJ2COoifDYAdCX+HrzObnA9b28b7SPlbAJD3q8MH+w266Q3rI+13pY7ll?= =?us-ascii?Q?rSk8R5C8QGWNo6N266OAp5sA7A2N6WRyrhaMxfomLrgsInKFdT6dJ2mOIKxm?= =?us-ascii?Q?ddV4HMmdH6kBNsf3hssQsxqOID9khSoah7vEZHCdWGPoEdgHbyHbR2IuhGKN?= =?us-ascii?Q?Yjo9UHiFia7885S8r4K5wElFEOGN2yTkIA+9zFUCwy/e7mUJunu4Pp67fNjF?= =?us-ascii?Q?/BsA8E/JQ8puxHvqZoWOAu5kHC9+0d8MS89/ue0RFrVjAfFx0Ts4VnbxGEuR?= =?us-ascii?Q?zhKkJ3OsMEXV7UCKgB1MDiEQVqpL27zE2M35O/Hi3JsJRWLdxp+shw/J9Uop?= =?us-ascii?Q?Lpmizkh7KqthS1mt8xNkk/pMfbxBCUFtNuWjZVzmG4qtVsm1m09Mwqt+8XyY?= =?us-ascii?Q?GgjgoU5MMt0fC634nKf9xa2KO55dNg5mSjfBVWnG8ELhPsw4jomJsCPu16Nv?= =?us-ascii?Q?G/WtINOWtVCHoncce5ca03q9U/PYZxV1r+eJQtb9xUDdrQH221a6lmyxUmT7?= =?us-ascii?Q?U2+G0nQ3tcOwov2mlq8uqrpL91eJGGHwyOiE3rrjnOBVR8pf1DF4C+sfeWin?= =?us-ascii?Q?5vqPEe41B4BKzdTvT1qeewn0HOwHhvdldh9wkkFIjrS6uT02DxaZO/bxRt9N?= =?us-ascii?Q?yVWXndzfTWldI9PRCGaCFEAWAKG4xPfqAK2raxDRGql8iqORG/rnPiQyFFJm?= =?us-ascii?Q?2lKtW1OBpF1RDOnKffc=3D?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: b3f94b43-9e98-4466-2753-08d9b8c9ac37 X-MS-Exchange-CrossTenant-AuthSource: BL0PR12MB5506.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Dec 2021 15:04:16.9368 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: zkaCSUCTJ14osS4oFFs0ls5R3q0vnwLB8QXdSITAVigzr0nSq/S1k6s3CVkkAqaT X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL0PR12MB5539 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Dec 06, 2021 at 06:47:45AM -0800, Christoph Hellwig wrote: > On Mon, Dec 06, 2021 at 10:45:35AM -0400, Jason Gunthorpe via iommu wrote: > > IIRC the only thing this function does is touch ACPI and OF stuff? > > Isn't that firmware? > > > > AFAICT amba uses this because AMBA devices might be linked to DT > > descriptions? > > But DT descriptions aren't firmware. They are usually either passed onb > the bootloader or in some deeply embedded setups embedded into the > kernel image. Pedenatically yes, but do you know of a common word to refer to both OF and ACPI that is better than firmware? :) AFAICT we already use firwmare for this in a few places, eg fwnode_handle and so on. Jason