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Wed, 6 May 2026 09:06:41 -0500 Received: from localhost (uda0133052.dhcp.ti.com [128.247.81.232]) by lelvem-mr05.itg.ti.com (8.18.1/8.18.1) with ESMTP id 646E6fD21514332; Wed, 6 May 2026 09:06:41 -0500 Date: Wed, 6 May 2026 09:06:41 -0500 From: Nishanth Menon To: "Thomas Richard (TI)" CC: Tero Kristo , Santosh Shilimkar , Michael Turquette , Stephen Boyd , Gregory CLEMENT , , Udit Kumar , Abhash Kumar , "Thomas Petazzoni" , , , , Dhruva Gole , Kendall Willis Subject: Re: [PATCH v7 1/4] firmware: ti_sci: add BOARDCFG_MANAGED mode support Message-ID: <20260506140641.4vukihz33vzzeanq@eternal> References: <20260506-ti-sci-jacinto-s2r-restore-irq-v7-0-037098a35215@bootlin.com> <20260506-ti-sci-jacinto-s2r-restore-irq-v7-1-037098a35215@bootlin.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20260506-ti-sci-jacinto-s2r-restore-irq-v7-1-037098a35215@bootlin.com> X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH3PEPF00000013:EE_|PH7PR10MB6081:EE_ X-MS-Office365-Filtering-Correlation-Id: fc3d99a6-caa4-4106-8207-08deab78b2e7 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|36860700016|376014|7416014|1800799024|22082099003|56012099003|18002099003; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: HGyiabP9bPE4e/ZjJ6yPB1YDajYzodv/aXxcYAVyREydl1eF31Yk5n1bh4I342TvbT/f7heyYb989JlwwgHee+cfi+XNEkk6qc3XQ+2K6B+ha8rZVG0J+asEIL15XuYT1V2QEir6UcYA5J68nx/G+LABWCHhAkKF12q1v8laVr1ukxqz84VluI8iRggeG/20wMNsHBVo09BHbW8L7JGk38LSEq62UnlDj6zpbXTw9frfQrgyCkfenkRHpD2Uo7u4I9rF20xWTKW8PlGHY7AF6pJGIzr3mqa9YKoOx6Fc3mtnYwggBeoM8w7fGaNyO/9tdD5vfqDQRq0uePkTFkrKFLbo6pQSbsDEvpLfAk0fD5dHBCvLrrjOWiSnbSS0lx9vsIxRbWy5aK9ycZJ5Dzg6mWTUadqufF/bDLiXqSEfByRGCjTggWzjrVVgfflcK+7T X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 May 2026 14:06:41.7907 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: fc3d99a6-caa4-4106-8207-08deab78b2e7 X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.23.194];Helo=[lewvzet200.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: CH3PEPF00000013.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR10MB6081 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260506_070648_540028_B5363A9B X-CRM114-Status: GOOD ( 14.20 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 10:35-20260506, Thomas Richard (TI) wrote: > In BOARDCFG_MANAGED mode, the low power mode configuration is done > statically for the DM via the boardcfg. Constraints are not supported, and > prepare_sleep() is not needed. > minor nit: [..] > diff --git a/drivers/firmware/ti_sci.h b/drivers/firmware/ti_sci.h > index 4616127e33ff..d90de59e29eb 100644 > --- a/drivers/firmware/ti_sci.h > +++ b/drivers/firmware/ti_sci.h > @@ -150,6 +150,7 @@ struct ti_sci_msg_req_reboot { > * MSG_FLAG_CAPS_LPM_DM_MANAGED: LPM can be managed by DM > * MSG_FLAG_CAPS_LPM_ABORT: Abort entry to LPM > * MSG_FLAG_CAPS_IO_ISOLATION: IO Isolation support > + * MSG_FLAG_CAPS_LPM_BOARDCFG_MANAGED: LPM config done statically for the DM via boardcfg will be good to keep this under 100 chars > * > * Response to a generic message with message type TI_SCI_MSG_QUERY_FW_CAPS > * providing currently available SOC/firmware capabilities. SoC that don't > @@ -162,6 +163,7 @@ struct ti_sci_msg_resp_query_fw_caps { > #define MSG_FLAG_CAPS_LPM_DM_MANAGED TI_SCI_MSG_FLAG(5) > #define MSG_FLAG_CAPS_LPM_ABORT TI_SCI_MSG_FLAG(9) > #define MSG_FLAG_CAPS_IO_ISOLATION TI_SCI_MSG_FLAG(7) > +#define MSG_FLAG_CAPS_LPM_BOARDCFG_MANAGED TI_SCI_MSG_FLAG(12) > #define MSG_MASK_CAPS_LPM GENMASK_ULL(4, 1) > u64 fw_caps; > } __packed; > > -- > 2.53.0 > -- Regards, Nishanth Menon Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D https://ti.com/opensource