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Tue, 6 Jan 2026 22:24:54 -0800 From: Kartik Rajput To: , , , , , , , CC: Kartik Rajput , Subject: [PATCH] ACPI: bus: Use OF match data for PRP0001 matched devices Date: Wed, 7 Jan 2026 11:54:52 +0530 Message-ID: <20260107062453.10893-1-kkartik@nvidia.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN1PEPF00036F3F:EE_|DS0PR12MB9445:EE_ X-MS-Office365-Filtering-Correlation-Id: 0d1a1075-4670-4c33-2e6c-08de4db583b5 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|36860700013|376014|1800799024; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?RTVeWbGC+j93+dJY8JxUhGpJHWkTK01fg5PL7ICi/PGfQUeaVQXcBhz/N5BF?= =?us-ascii?Q?WNknd6cRcZe+INfhang56Kdvzk4BOIYIpVyB4gTGTnm4V6jpGsGO8vytAbEg?= =?us-ascii?Q?MOyFJrvJOvc12FB4qJnTUjbeerP5fTeaEoqK3q1R5OvnSwD2trfDeQSKURn/?= =?us-ascii?Q?1osqM43HSsnCSga48yaQpOMKgHyuFbXaIw43+Ylga/Dq8RWK3ntJcXiaQzal?= =?us-ascii?Q?BekUvtbxXJ/aSLcVJjOKVleVCvrXSHTW+GxwpR6PMFCx7QJfzOBS1v1fyJYN?= =?us-ascii?Q?JzAcrXrwcAA56QbRJyYze9Lnj+LtnbTr/jLS+GBjSSy8ZzXKQDrpP2/1dl5Q?= =?us-ascii?Q?hYEtMXhxF/oHkh1wcR+M7ckHAgp/QUJE1MqULNw+7xhhGjmAkjJJPCSKXTu4?= =?us-ascii?Q?ul/8Nm6+SDMoKNWDR3xjl+cBFQ/5CxtZk/JEigoD1g+SMYaFo2suxQfZYQGo?= =?us-ascii?Q?VRmiMTBHEeFQUbbXVKczR4y7ZAy5G43Cem1mOmbZrpzGmFJoQSgYceBOexwy?= =?us-ascii?Q?8QocecjPyPA1FsrqX+ZXbCVxO5jRFpIzV3ZXCYpX+kpEt5/GZziTPh8QnTMF?= =?us-ascii?Q?aa16zPFEYqRyneZl9wH5gL6kfgqwAPHba6D1qgzxji5yUDeFuTtJLapU3R4B?= =?us-ascii?Q?48z8gtI1tNUM4UtUPscL4YApWvHMlI5M+gkJRGvkRe0QlGLTL1yWmN9Poxxg?= =?us-ascii?Q?LIY/ORBaJCZphXsYb4x6lAPHM4GR7MB9cgSCFxQyZGKWnrsNg4sWyKQ7XRc/?= =?us-ascii?Q?mJBKR6U4Zi/2lpXE0DT0UWR1Jltihi/GKCTGJkC88/MVykzCJ7i/kKwgDFOD?= =?us-ascii?Q?c2CJLHzS8RYsqlRz+w4/g+lP6XxTyKV9I2n7wsVOKMp8+5jQVMjymc0GVTo8?= =?us-ascii?Q?/723/Lkwr74Po12YBiflE8cktZjMclAsb5DaMNwgJKLpLxqK+QZOsjvYD+HK?= =?us-ascii?Q?pDw/dR1efx1yaiO6JSCUaI0i5Ytk1SiHbccu4DJMdi+F0mquRS5rP+872QqQ?= =?us-ascii?Q?NJuC3JoLjQXuQhzF17ucPtrHb5U9KgcJ/yHSe6z4Kj4FptDFaJYeUY79OkXQ?= =?us-ascii?Q?4AKfcPKbWX1FudbWxiq6EL4HfjirtHo68O2UfOV4tlRsRvCYvBmHlOe8mHJT?= =?us-ascii?Q?Fgl4KJZWw3FmcVAR3TSKY7U768BJ6FBCNf6oIennu1j3Gw0itcDPPDw2zqbI?= =?us-ascii?Q?53/fBb+A4Yd17KWCL7H1Io8/aqRQNTLGY1kMkvXVhAXrKivJUuNN3PBdQxkz?= =?us-ascii?Q?hT2y/m8yHtVCxR1nS9LSMpC7us04yJH4AIlJyw1o1vmwekeelzPoTNQNogDq?= =?us-ascii?Q?nTYUH3vkql/pVUdLwkyX75c89qpgTK1VT7fau94fNxNLjO6iHbFFqPsCRne2?= =?us-ascii?Q?0vfrMZ1iRlwBDsbJaykqNBYzkZWNaEG6onhRO7u6aitZ/PvSjbS865mSLGZq?= =?us-ascii?Q?R2rUzXCSrteDaXsGpnbl/hff5P3JEuA1nM3J/yVva9FqteHlJe5HChEz1DqM?= =?us-ascii?Q?4taX17hu2AuXWfK8Vvwo2D0zqoM7p6vJJNkFsHh91AoRVo74+2Cmif6fkg?= =?us-ascii?Q?=3D=3D?= 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)(82310400026)(36860700013)(376014)(1800799024);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Jan 2026 06:25:12.5804 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0d1a1075-4670-4c33-2e6c-08de4db583b5 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SN1PEPF00036F3F.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB9445 Content-Type: text/plain; charset="utf-8" When a device is matched via PRP0001, the driver's OF (DT) match table must be used to obtain the device match data. If a driver provides both an acpi_match_table and an of_match_table, the current acpi_device_get_match_data() path consults the driver's acpi_match_table and returns NULL (no ACPI ID matches). Explicitly detect PRP0001 and fetch match data from the driver's of_match_table via acpi_of_device_get_match_data(). Fixes: 886ca88be6b3 ("ACPI / bus: Respect PRP0001 when retrieving device ma= tch data") Cc: stable@vger.kernel.org Signed-off-by: Kartik Rajput --- drivers/acpi/bus.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 5e110badac7b..4cd425fffa97 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -1031,8 +1031,9 @@ const void *acpi_device_get_match_data(const struct d= evice *dev) { const struct acpi_device_id *acpi_ids =3D dev->driver->acpi_match_table; const struct acpi_device_id *match; + struct acpi_device =3D ACPI_COMPANION(dev); =20 - if (!acpi_ids) + if (!strcmp(ACPI_DT_NAMESPACE_HID, acpi_device_hid(adev)) return acpi_of_device_get_match_data(dev); =20 match =3D acpi_match_device(acpi_ids, dev); --=20 2.43.0