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dkim=none (message not signed) header.d=none;dmarc=fail action=none header.from=foss.st.com; Received-SPF: Fail (protection.outlook.com: domain of foss.st.com does not designate 164.130.1.59 as permitted sender) receiver=protection.outlook.com; client-ip=164.130.1.59; helo=smtpO365.st.com; Received: from smtpO365.st.com (164.130.1.59) by DB1PEPF000509FD.mail.protection.outlook.com (10.167.242.39) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9700.17 via Frontend Transport; Fri, 13 Mar 2026 10:57:51 +0000 Received: from STKDAG1NODE2.st.com (10.75.128.133) by smtpo365.st.com (10.250.44.71) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.29; Fri, 13 Mar 2026 12:00:09 +0100 Received: from localhost (10.48.87.194) by STKDAG1NODE2.st.com (10.75.128.133) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.29; Fri, 13 Mar 2026 11:57:38 +0100 From: Christophe Roullier To: Andrew Lunn , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Alexandre Torgue , Russell King , , , Maxime Chevallier , Vladimir Oltean , Christophe Roullier CC: , , , Subject: [PATCH v2 1/2] net: stmmac: fix pinctrl management during suspend/resume Date: Fri, 13 Mar 2026 11:57:16 +0100 Message-ID: <20260313105718.359614-2-christophe.roullier@foss.st.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260313105718.359614-1-christophe.roullier@foss.st.com> References: <20260313105718.359614-1-christophe.roullier@foss.st.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: ENXCAS1NODE2.st.com (10.75.128.138) To STKDAG1NODE2.st.com (10.75.128.133) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DB1PEPF000509FD:EE_|AS8PR10MB6889:EE_ X-MS-Office365-Filtering-Correlation-Id: f3cbec5e-0f8b-420a-cd68-08de80ef5f61 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|376014|1800799024|82310400026|36860700016|921020|18002099003|22082099003|56012099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:164.130.1.59;CTRY:IT;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:smtpO365.st.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(7416014)(376014)(1800799024)(82310400026)(36860700016)(921020)(18002099003)(22082099003)(56012099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: TJcSO0XGfJSQua/kvGSpwp/pvv7qa4B7ADZg4MivnXBMEzwf2cQ5k2I6ZyuqKuHffPcLn38zNfSkb6Fw/lE2xrOSP5kNTW8QHe/rpsKRCNgjEiFRgiRuXN39JPe4QBo6XMIHnrwxN1c0JCRfFwouYg5jYe7G+bY6GwqeHGIa+E/uS5XfJOPz5odDXIEkF20lTs6lKyBiQ3jgPaDjleGaYIQAWsMKLReVdlHsF0/IXdx5doJfkE769LKdBOp6U9Wi30TWM17z+MGGfHm9SDDE+w077E3UPtwbxVYT6GAfvQMg78cGsjGfSYuVe310gXBoc07HXg4ZiZLG1DnF7V3syYx48jtpiBGdgPPeWsqrn1Tya1iFNXW6euySCfONauco9mRXfqasy+f6qWYql3G10pCy0UXqVrrcOgdWudJVAirxek+mQ7LyBYXwY8Yzj7QL X-OriginatorOrg: foss.st.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Mar 2026 10:57:51.7913 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: f3cbec5e-0f8b-420a-cd68-08de80ef5f61 X-MS-Exchange-CrossTenant-Id: 75e027c9-20d5-47d5-b82f-77d7cd041e8f X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=75e027c9-20d5-47d5-b82f-77d7cd041e8f;Ip=[164.130.1.59];Helo=[smtpO365.st.com] X-MS-Exchange-CrossTenant-AuthSource: DB1PEPF000509FD.eurprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR10MB6889 In the deepest low-power modes, the pinctrl configuration is lost and is never restored if the interface is down. This commit ensures that the pinctrl state is set in all cases. Signed-off-by: Christophe Roullier --- drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 11150bddd8726..26ac1cdc561c2 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -8150,8 +8150,11 @@ int stmmac_suspend(struct device *dev) struct stmmac_priv *priv = netdev_priv(ndev); u8 chan; - if (!ndev || !netif_running(ndev)) + if (!ndev || !netif_running(ndev)) { + /* Select sleep pin state */ + pinctrl_pm_select_sleep_state(dev); goto suspend_bsp; + } mutex_lock(&priv->lock); @@ -8252,8 +8255,11 @@ int stmmac_resume(struct device *dev) return ret; } - if (!netif_running(ndev)) + if (!netif_running(ndev)) { + /* Select default pin state */ + pinctrl_pm_select_default_state(priv->device); return 0; + } /* Power Down bit, into the PM register, is cleared * automatically as soon as a magic packet or a Wake-up frame -- 2.43.0