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Fri, 10 Jul 2020 15:49:44 +0000 From: Philippe Schenker To: Rob Herring , devicetree@vger.kernel.org, linux-usb@vger.kernel.org, Peter Chen , Shawn Guo Cc: Philippe Schenker , Fabio Estevam , Greg Kroah-Hartman , NXP Linux Team , Pengutronix Kernel Team , Sascha Hauer , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/3] usb: chipidea: imx: support disabling runtime-pm Date: Fri, 10 Jul 2020 17:49:33 +0200 Message-Id: <20200710154935.697190-2-philippe.schenker@toradex.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200710154935.697190-1-philippe.schenker@toradex.com> References: <20200710154935.697190-1-philippe.schenker@toradex.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: GV0P278CA0047.CHEP278.PROD.OUTLOOK.COM (2603:10a6:710:29::16) To AM6PR05MB6120.eurprd05.prod.outlook.com (2603:10a6:20b:a8::25) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from philippe-pc.toradex.int (31.10.206.124) by GV0P278CA0047.CHEP278.PROD.OUTLOOK.COM (2603:10a6:710:29::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3174.23 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData: mM1vZzn/o8uZum0qTCXYZe9irbClIWkAqTFgBTczpuV4xTTlCV/s6B9aA/FDFW7vTb7ZNXjK53N/sBXuawOrUOJQpZRHR5jKoqf18PJPrUlFI9AWQIv1iDcJWgHlT4CmUgrbdJXUlDVXLh2dHaCHOPX2Yn1wKOoveJpyHVg7ye9JyAGndY/iCJ9mAzu09EKqdWbResqhNbStMx1xFTPVlD+sS7TEanvMXM/U7zigkADiNayDlM5zdY7LRDtSETqbDRLc9JXTEBysquuNLd8JorE1nzBGp4CkHX4OF0WV9E0/mXQhk7zwYeU3KylS1j95TIsRmksXrm43dpIQV6wtqZdw2uSFMbF75wmHm4SJgg/Zj0+Q3hWVZMxl1mZ7Sn5O5roiNYYu5JV2Eq7aVVLeHOAx2MacRh51tUG8+imEuBS9aPocJoRAI8pRLlckYzPFJ2GrrWSr9Z9wKkrvkqMdFduxo5bERuKHmYY2orxG7I8= X-OriginatorOrg: toradex.com X-MS-Exchange-CrossTenant-Network-Message-Id: d8e28cc3-7397-4dcf-b450-08d824e8ddd6 X-MS-Exchange-CrossTenant-AuthSource: AM6PR05MB6120.eurprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Jul 2020 15:49:44.7072 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: d9995866-0d9b-4251-8315-093f062abab4 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: kjtnirtwbXSi0BOa4IBT78WW7q8MCSQxjQcpzf6zdDoZphsQB9mJRessXwR1KXGvw6Ps7AAMSoUo3DBsN3R6tKzgamKpjHUuYFZqxr4MSh8= X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM6PR05MB5879 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Chipidea depends on some hardware signals to be there in order for runtime-pm to work well. Add the possibility to disable runtime power management that is necessary for certain boards. Signed-off-by: Philippe Schenker --- drivers/usb/chipidea/ci_hdrc_imx.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c index 5ae16368a0c7..5078d0695eb7 100644 --- a/drivers/usb/chipidea/ci_hdrc_imx.c +++ b/drivers/usb/chipidea/ci_hdrc_imx.c @@ -434,6 +434,9 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev) usb_phy_init(pdata.usb_phy); } + if (of_property_read_bool(np, "disable-runtime-pm")) + pdata.flags &= ~CI_HDRC_SUPPORTS_RUNTIME_PM; + if (pdata.flags & CI_HDRC_SUPPORTS_RUNTIME_PM) data->supports_runtime_pm = true; -- 2.27.0