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Wed, 24 Jun 2020 10:33:16 +0000 From: Daniel Baluta To: khilman@kernel.org, ulf.hansson@linaro.org, linux-pm@vger.kernel.org, rjw@rjwysocki.net Cc: linux-kernel@vger.kernel.org, kernel@pengutronix.de, alsa-devel@alsa-project.org, linux-imx@nxp.com Subject: [PATCH v3 0/2] Introduce multi PM domains helpers Date: Wed, 24 Jun 2020 13:32:45 +0300 Message-Id: <20200624103247.7115-1-daniel.baluta@oss.nxp.com> X-Mailer: git-send-email 2.17.1 Content-Type: text/plain; charset=a Content-Transfer-Encoding: 8bit X-ClientProxiedBy: AM0PR01CA0100.eurprd01.prod.exchangelabs.com (2603:10a6:208:10e::41) To VI1PR0401MB2287.eurprd04.prod.outlook.com (2603:10a6:800:2e::19) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from fsr-ub1864-103.ro-buh02.nxp.com (83.217.231.2) by AM0PR01CA0100.eurprd01.prod.exchangelabs.com (2603:10a6:208:10e::41) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3109.22 via Frontend Transport; Wed, 24 Jun 2020 10:33:15 +0000 X-Mailer: git-send-email 2.17.1 X-Originating-IP: [83.217.231.2] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 10905119-2311-42eb-4723-08d8182a011b X-MS-TrafficTypeDiagnostic: VI1PR0401MB2445: X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:7691; 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In order to help drivers, we introduce multi PM domains helpers that are able to activate/deactivate multi PM domains. First patch introduces the helpers and second patch demonstrates how a driver can use them instead of hardcoding the PM domains handling. Changes since v2: » - fix kernel test robot reported issues (missing static inline for newly introduced functions in headers and arguments swapped for devm_kzalloc). Changes since v1: (addressed Ranjani's comments) » - enhanced description for dev_multi_pm_attach return value » - renamed exit_unroll_pm label to exit_detach_pm Ideally would be to have patch 1/2 merged via power tree and then I will submit again patch 2/2 on sound tree. Daniel Baluta (2): PM / domains: Introduce multi PM domains helpers ASoC: SOF: Use multi PM domains helpers drivers/base/power/common.c | 93 +++++++++++++++++++++++++++++++++++++ include/linux/pm_domain.h | 19 ++++++++ sound/soc/sof/imx/imx8.c | 60 ++++-------------------- 3 files changed, 121 insertions(+), 51 deletions(-) -- 2.17.1