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Smith" Subject: [PATCH v7 10/11] xen/dt: ifdef out DEV_DT-related bits from device_tree.{c,h} Date: Tue, 15 Jul 2025 18:11:05 +0200 Message-ID: <20250715161108.141126-11-alejandro.garciavallejo@amd.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250715161108.141126-1-alejandro.garciavallejo@amd.com> References: <20250715161108.141126-1-alejandro.garciavallejo@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1PEPF000075F3:EE_|PH7PR12MB6466:EE_ X-MS-Office365-Filtering-Correlation-Id: 152c03d7-7e9d-466d-7eec-08ddc3ba4f77 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|1800799024|376014|82310400026; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?qO50V0t30OPf57ImkchnWsnSiCrT9KUSdJe5s85Ar5yAbdJprMbSjNjihWX4?= =?us-ascii?Q?euQadtoVN/dHvcIgRYKrKdJcE/lRqkgjO9P+L6BqkEToxLxVxtVOTeVcEPOV?= =?us-ascii?Q?XXdm0ytF2GoDsEZuamkidzwKYLWOSF6erDFyGOYLUSu9CxJY1KDEG0Yyhr5Y?= =?us-ascii?Q?2Fa/MYo+pI4XK0Ur5OX2Sd1cSXnw1hljpvC5bCg++YYMLxOPdZrCNv7530Gn?= =?us-ascii?Q?pLyKdRtZcNA+eqhMxLYP9ODzYbuomjC7r7FNEUhkTZHjB1jSSKZQ0RWtWNiC?= =?us-ascii?Q?yAa4V8Bq1iLNBeTkG+mVcoG5i8lZMB1/t5i/8AQ544Blsz4AznLCTnUisY3Z?= =?us-ascii?Q?XfSW69Xb37sn4HKcSxQz2plYDOfYr7DdIrXjehHCS/aN2vuUHKeR/BC3obFk?= =?us-ascii?Q?ZGXWpKbMYcSg5iFBs47ifhVDuBWYw1JgCL/Rh/fxLRciBddvbYmwuLgRwg5f?= =?us-ascii?Q?jT0Pa0qxcdI2UQvSZ8cgRkHuGyk0nxtQPeaSRFxpFI/YTuWlmwh6+ZWhMMVd?= =?us-ascii?Q?/ol9jhyqQqLSeaL0m9xT8q7eMEpVbRbXsghlENQnQ4/TKlNMWMyxJ3CFNBvt?= =?us-ascii?Q?aUtQ/fjTHY9UnbtccFtGqb5/TTw+M9rdVItPRk0AY/I/zmV52en4moTxvT1a?= =?us-ascii?Q?2X5mFYDF/d79Tp3pCYYk1o2q/bbr6dlihwFHRNVVlSkG8FOwsPYKYSSFOOWl?= =?us-ascii?Q?38zJLg8DSUty7yJmvBKyszt8jfV/fFfme2Rfz0jQctyUrefAhkbji0nb9WK5?= =?us-ascii?Q?7yCf8Q927rgnlVFvf1fvKbYifJ+VY6PnRGA8S03HuKJK52Z8y5WtSukBCRhe?= =?us-ascii?Q?SzM1x4A/Qbr8ydlrs7pFPQ7POb/H67d+TLPA2hsEMItp/ymrbUhk2/L0WqYX?= =?us-ascii?Q?DjIUXKRo5piKPqomM0gjet9SQZozx4W7CCpcdj8fCQwdl8T2C7/PFDMbgsbw?= =?us-ascii?Q?7EhM9TXtj43aOknLXVQc2QZM0qo2uud24DgEj68XyV2ewUyQII5kOddbcMXZ?= =?us-ascii?Q?oG/UZyYNkc4gwHXcI0h9Y1Vp28ErPPnr+awZEsZIytge5hrtC4oBwrYHLeZ8?= =?us-ascii?Q?5vwWo6RYpJxjlqkZVUXuAJCeBcJxBwT80shFXs/cC0VSeVlHrjcA/h5iBccQ?= =?us-ascii?Q?UWoYuSc3HeKsnrMsw4fALesd+BW/hfQVBgS36dbIYF+BI11zzkVrEegdpPFj?= =?us-ascii?Q?VlQCY9KyEXhzU5Y9s7jV0TEAdLkPLXuiwLpX2HSoXasjMtu8NO1Ogw2h1O7y?= =?us-ascii?Q?J0fuEnazc9/AIfrMF02IPUnCoSt9zePjIrPqwliov0tzoLBEu3yVDXLJxI3h?= =?us-ascii?Q?x9EyE9PGtQe+Yhn/R8m91eGRyq7T5ngRm0oLFmX+77PjgRnT8F1Zod8z/UJe?= =?us-ascii?Q?DrWsRy1aqI9Yf0A2+Oog6uAn6qvfjXHOprGLw5IYLa+bcQaI9Tm9RLIcqWnL?= =?us-ascii?Q?qNDq69SAvYc+VTDEfxkoU6qmNBY9ARcO2/IZxDlou8tvse/+X81EWoZBugc5?= =?us-ascii?Q?06d8tkLRfzdqVzXNax9NJmZcYuiWzb3LMiCB?= X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(36860700013)(1800799024)(376014)(82310400026);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Jul 2025 16:11:51.9628 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 152c03d7-7e9d-466d-7eec-08ddc3ba4f77 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1PEPF000075F3.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB6466 X-ZohoMail-DKIM: pass (identity @amd.com) X-ZM-MESSAGEID: 1752595942781116600 Content-Type: text/plain; charset="utf-8" Architectures that don't discover devices via DT may skip anything to do with device_t during the DT unflattening phase. Make device-tree.c stop requiring CONFIG_HAS_DEVICE_TREE_DISCOVERY so it may function with CONFIG_DEVICE_TREE_PARSE alone. This allows CONFIG_DEVICE_TREE_PARSE to unflatten a DT ignoring its devices if CONFIG_HAS_DEVICE_TREE_DISCOVERY is not selected. Signed-off-by: Alejandro Vallejo Reviewed-by: Stefano Stabellini --- xen/common/device-tree/device-tree.c | 2 ++ xen/include/xen/device_tree.h | 4 ++++ 2 files changed, 6 insertions(+) diff --git a/xen/common/device-tree/device-tree.c b/xen/common/device-tree/= device-tree.c index 4ebdb2e52e..84daa3f0ed 100644 --- a/xen/common/device-tree/device-tree.c +++ b/xen/common/device-tree/device-tree.c @@ -2030,9 +2030,11 @@ static unsigned long unflatten_dt_node(const void *f= dt, ((char *)pp->value)[sz - 1] =3D 0; dt_dprintk("fixed up name for %s -> %s\n", pathp, (char *)pp->value); +#ifdef CONFIG_HAS_DEVICE_TREE_DISCOVERY /* Generic device initialization */ np->dev.type =3D DEV_DT; np->dev.of_node =3D np; +#endif /* CONFIG_HAS_DEVICE_TREE_DISCOVERY */ } } if ( allnextpp ) diff --git a/xen/include/xen/device_tree.h b/xen/include/xen/device_tree.h index 8a39a60c54..06d7643622 100644 --- a/xen/include/xen/device_tree.h +++ b/xen/include/xen/device_tree.h @@ -108,9 +108,12 @@ struct dt_device_node { */ struct list_head domain_list; =20 +#ifdef CONFIG_HAS_DEVICE_TREE_DISCOVERY struct device dev; +#endif /* CONFIG_HAS_DEVICE_TREE_DISCOVERY */ }; =20 +#ifdef CONFIG_HAS_DEVICE_TREE_DISCOVERY #define dt_to_dev(dt_node) (&(dt_node)->dev) =20 static inline struct dt_device_node *dev_to_dt(struct device *dev) @@ -119,6 +122,7 @@ static inline struct dt_device_node *dev_to_dt(struct d= evice *dev) =20 return container_of(dev, struct dt_device_node, dev); } +#endif /* CONFIG_HAS_DEVICE_TREE_DISCOVERY */ =20 #define MAX_PHANDLE_ARGS 16 struct dt_phandle_args { --=20 2.43.0