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Thu, 29 Jun 2023 13:46:52 -0700 From: "Jeff Brasen" To: CC: , , , Jeff Brasen Subject: [PATCH] ArmPkg/ArmPsciMpServices Add EFI_NOT_READY return Date: Thu, 29 Jun 2023 20:46:48 +0000 Message-ID: <0048beef351cf6fb6646a171c0a6eb01f2d3829f.1688071551.git.jbrasen@nvidia.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-NVConfidentiality: public Return-Path: jbrasen@nvidia.com X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN8NAM11FT082:EE_|SJ0PR12MB5487:EE_ X-MS-Office365-Filtering-Correlation-Id: 3cfc4595-11e3-48cc-4842-08db78e20133 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: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:(13230028)(6029001)(4636009)(136003)(39860400002)(376002)(396003)(346002)(451199021)(40470700004)(46966006)(36840700001)(2906002)(40480700001)(426003)(86362001)(478600001)(83380400001)(336012)(40460700003)(54906003)(36860700001)(82310400005)(6666004)(47076005)(82740400003)(2616005)(7696005)(356005)(107886003)(7636003)(70586007)(4326008)(5660300002)(6916009)(316002)(70206006)(26005)(186003)(41300700001)(8936002)(36756003)(8676002);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Jun 2023 20:47:07.9106 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 3cfc4595-11e3-48cc-4842-08db78e20133 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: BN8NAM11FT082.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR12MB5487 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain Add EFI_NOT_READY return if the CPU can not be enabled if the processor is already on. This can occur in normal use if the CPU is still being turned off from a previous call when this is called again. Signed-off-by: Jeff Brasen --- ArmPkg/Drivers/ArmPsciMpServicesDxe/ArmPsciMpServicesDxe.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/ArmPkg/Drivers/ArmPsciMpServicesDxe/ArmPsciMpServicesDxe.c b/A= rmPkg/Drivers/ArmPsciMpServicesDxe/ArmPsciMpServicesDxe.c index f822a9877c..e7f4223513 100644 --- a/ArmPkg/Drivers/ArmPsciMpServicesDxe/ArmPsciMpServicesDxe.c +++ b/ArmPkg/Drivers/ArmPsciMpServicesDxe/ArmPsciMpServicesDxe.c @@ -103,7 +103,9 @@ DispatchCpu ( =20 ArmCallSmc (&Args); =20 - if (Args.Arg0 !=3D ARM_SMC_PSCI_RET_SUCCESS) { + if (Args.Arg0 =3D=3D ARM_SMC_PSCI_RET_ALREADY_ON) { + Status =3D EFI_NOT_READY; + } else if (Args.Arg0 !=3D ARM_SMC_PSCI_RET_SUCCESS) { DEBUG ((DEBUG_ERROR, "PSCI_CPU_ON call failed: %d\n", Args.Arg0)); Status =3D EFI_DEVICE_ERROR; } --=20 2.25.1