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Subject: [PATCH] acpi: allow usage of acpi_tad without PRW Date: Fri, 2 Dec 2022 16:34:55 +0100 Message-Id: <20221202153454.83185-1-bart@gpxbv.nl> X-Mailer: git-send-email 2.38.1 X-ClientProxiedBy: AM0PR02CA0109.eurprd02.prod.outlook.com (2603:10a6:20b:28c::6) To AM9P193MB1348.EURP193.PROD.OUTLOOK.COM (2603:10a6:20b:309::20) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM9P193MB1348:EE_|DBAP193MB0874:EE_ X-MS-Office365-Filtering-Correlation-Id: 3c4d01b5-e914-42fc-0804-08dad47aed06 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:AM9P193MB1348.EURP193.PROD.OUTLOOK.COM; PTR:; CAT:NONE; SFS:(13230022)(136003)(39830400003)(366004)(346002)(396003)(376002)(451199015)(36756003)(6512007)(52116002)(86362001)(6486002)(966005)(6506007)(110136005)(478600001)(6666004)(66556008)(26005)(41300700001)(107886003)(5660300002)(8936002)(2906002)(316002)(4326008)(8676002)(66946007)(66476007)(38100700002)(2616005)(38350700002)(1076003)(186003)(83380400001); DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: gpxbv.nl X-MS-Exchange-CrossTenant-Network-Message-Id: 3c4d01b5-e914-42fc-0804-08dad47aed06 X-MS-Exchange-CrossTenant-AuthSource: AM9P193MB1348.EURP193.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Dec 2022 15:36:05.4977 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 96472e6e-8450-41c1-a7c5-ce4263c73b54 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: VaQzQZXGGonpcYhUUOwMq8inL/9GFPtcbGDe/9E+lN3gkpBjtif0GgZcUVIClTCd X-MS-Exchange-Transport-CrossTenantHeadersStamped: DBAP193MB0874 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org From: "Bart Groeneveld | GPX Solutions B.V." Not all tads have the PRW capability, which is totally OK, according to the ACPI spec [1]: > _PRW is only required for devices that have the ability to wake > the system from a system sleeping state. This partially solves [2] and [3]. [1]: https://uefi.org/sites/default/files/resources/ACPI_Spec_6_4_Jan22.pdf [2]: https://bugzilla.kernel.org/show_bug.cgi?id=212313 [3]: https://github.com/linux-surface/linux-surface/issues/415 Signed-off-by: Bart Groeneveld | GPX Solutions B.V. --- drivers/acpi/acpi_tad.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/acpi/acpi_tad.c b/drivers/acpi/acpi_tad.c index e9b8e8305e23..67f71fa4362f 100644 --- a/drivers/acpi/acpi_tad.c +++ b/drivers/acpi/acpi_tad.c @@ -604,11 +604,6 @@ static int acpi_tad_probe(struct platform_device *pdev) return -ENODEV; } - if (!acpi_has_method(handle, "_PRW")) { - dev_info(dev, "Missing _PRW\n"); - return -ENODEV; - } - dd = devm_kzalloc(dev, sizeof(*dd), GFP_KERNEL); if (!dd) return -ENOMEM;