From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D037AC433B4 for ; Mon, 3 May 2021 14:20:56 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 44AAA61159 for ; Mon, 3 May 2021 14:20:56 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 44AAA61159 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kontron.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:In-Reply-To:Date:Message-ID:From: References:Cc:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=tSW7LKUti6szB5RsEyV2B9hAC/v4OCsUroob5WOyy0U=; b=d7ra+W8AUEvXoSGsq88Dn7630 pgV+5nI6LId+xWsiFe+7/eHZfoS1CFVhu3VAUIyKqyMPab6xY2I30TaJUwQ9AhYdD3DFzhV6XlDL5 0b4mvHmLul/iCt046CNPADrzyVzPZZ3NkQBbobyM6SPxSWFoMfptJcC4L4lR0QJnOlShTq3UAWuPJ Vax2UQLm1defj61bdCa1dU4NNvq+jIJTtUomUA1A3jNIGGEXiYbpBFV8GENOvLUexSFc7bgB25rxk cX0mW9PZV2k6Dqn6svoeAdIYP7cy8Qa7bH6KildiFAjN9mBR6JqWXqMPWgfZrflfny4pHe1IdgdW8 HWbCD4/SA==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1ldZPW-00E2LL-IB; Mon, 03 May 2021 14:18:58 +0000 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1ldZPQ-00E2Jp-6U for linux-arm-kernel@desiato.infradead.org; Mon, 03 May 2021 14:18:53 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=MIME-Version: Content-Transfer-Encoding:Content-Type:In-Reply-To:Date:Message-ID:From: References:Cc:To:Subject:Sender:Reply-To:Content-ID:Content-Description; bh=zynJJBTcenqp3PDoRtQOW6Ocd0GrOsKVNMUvsbHXUCk=; b=k7e22CFSwQaVI1UAIiZQbl/P0b r+7kndCGtfmCfXO3vBKdI0k9vQxr7f6h1CMN+acU4qzSDCZl4avYEvMLlABXiKjftjMVbM3oux5M8 cEfDcJsXpcZZmyFLDo0iGWIEmAFJwVSSx+WgrNZZBbI2anxagdmXNsMzH3PUH6l1Y5u/G+cRgSoY+ X1fcrwr0wAa3yB7YW5roEPpRh197/2HDfpL7V/qQYzM+63Bvh2qFiHYDM4ZC1ylLfflJJP2zFu9H0 FvEzDWv2YWn3umG5Q51hq+SFduKOxJN+VMA1SGmgRcSCjRJqGsuxvk4NtYXzSsidpatHGvkaNRR11 jZ0XNnmg==; Received: from mail-eopbgr40118.outbound.protection.outlook.com ([40.107.4.118] helo=EUR03-DB5-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1ldZPN-0037NT-1G for linux-arm-kernel@lists.infradead.org; Mon, 03 May 2021 14:18:50 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=dHSOamusZzuh9BNNm00skl+zym4nQFlDejrK/IZrwiYRqY6u5/H1wR5ackICuR/S8bUZCSNXuL9a9i6tjvShz8J3gYrKVk/E2mkqAzib/UwHgElrDJFN5aSc4owkTBmp4lsS1dfNG0pYK0ZlFUclKQqEBiZlXd3EnVngK/kqv+KT7SC+2m96WvQcyLO8ttHpj/d4iUA7r2c/PVdbHVj+4c3rimtyjpAFAdEILWgaMDJiuBltQ+B4UziXdSt9VeHmUalod5UHdvyP9mHeaO6c0A8Bh4UtcHjTNZQGgts1KmBfR9So6orDvuFWeinJLJg02OnEdjLWO1iPgygsb3pxoA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=zynJJBTcenqp3PDoRtQOW6Ocd0GrOsKVNMUvsbHXUCk=; b=m4kCXJdhLtidK70tZP9Im/g/ie7oZORZSFicAwWGaXVhp7dI13LRmYkt8rwfj/V4TqDvgnn7Bld5dkEHpkfYlIBlFuiNsoi0OIswfYwYfPexfzK5z2toBBhA9GDWwkM2WDaaBtGiVpbtFcfhdxij2X1P2O0tVWfxlPe6zhoB4NwlqhEWKK010AMLGznpoCpWqqHS+rvjzJWDDymjcP3hysJ5ddegBy1q2+hTPCEXdhICRtQr6X2A0VI3lWdUL0oYwG7T/EQ+S5uKOHSZwriVodfDvwH2PnB+8l0AnpeZTve/ql6st3e6J4uCHFDHfUH8xGSCnACec7VPWYpuzkLAiQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=kontron.de; dmarc=pass action=none header.from=kontron.de; dkim=pass header.d=kontron.de; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mysnt.onmicrosoft.com; s=selector2-mysnt-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=zynJJBTcenqp3PDoRtQOW6Ocd0GrOsKVNMUvsbHXUCk=; b=K9xH2DevKKKtBT4Hvw2O99SbFkUt2QgoEvHF7eyKLL/o9WJrkYLfB1hzLwJFY28qJYaJUpXB0ACTShhXmrpp9iyeMnESSQKJIXMTssZkry3GxmUF+45nFXjOtEqaCyjBMfIRK062pnFfcYqTumQjOLu54Of3ugAwj4JLzGBgIbI= Authentication-Results: nxp.com; dkim=none (message not signed) header.d=none;nxp.com; dmarc=none action=none header.from=kontron.de; Received: from AM0PR10MB2963.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:208:157::14) by AM0PR10MB3521.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:20b:159::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4087.25; Mon, 3 May 2021 14:18:46 +0000 Received: from AM0PR10MB2963.EURPRD10.PROD.OUTLOOK.COM ([fe80::3d8a:f56b:3a0c:8a87]) by AM0PR10MB2963.EURPRD10.PROD.OUTLOOK.COM ([fe80::3d8a:f56b:3a0c:8a87%7]) with mapi id 15.20.4087.044; Mon, 3 May 2021 14:18:46 +0000 Subject: Re: [PATCH 06/16] soc: imx: gpcv2: add runtime PM support for power-domains To: "Peng Fan (OSS)" , robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de Cc: kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, p.zabel@pengutronix.de, l.stach@pengutronix.de, krzk@kernel.org, agx@sigxcpu.org, marex@denx.de, andrew.smirnov@gmail.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, ping.bai@nxp.com, aford173@gmail.com, abel.vesa@nxp.com References: <20210429073050.21039-1-peng.fan@oss.nxp.com> <20210429073050.21039-7-peng.fan@oss.nxp.com> From: Frieder Schrempf Message-ID: <450c97d8-a7c1-fcf0-2485-529ff702989e@kontron.de> Date: Mon, 3 May 2021 16:18:44 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 In-Reply-To: <20210429073050.21039-7-peng.fan@oss.nxp.com> Content-Language: en-US X-Originating-IP: [109.250.134.29] X-ClientProxiedBy: AM5PR0101CA0026.eurprd01.prod.exchangelabs.com (2603:10a6:206:16::39) To AM0PR10MB2963.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:208:157::14) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from [192.168.10.27] (109.250.134.29) by AM5PR0101CA0026.eurprd01.prod.exchangelabs.com (2603:10a6:206:16::39) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4087.27 via Frontend Transport; Mon, 3 May 2021 14:18:45 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: b82bf9c3-70a1-4cdf-80e1-08d90e3e5d0e X-MS-TrafficTypeDiagnostic: AM0PR10MB3521: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:529; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:AM0PR10MB2963.EURPRD10.PROD.OUTLOOK.COM; PTR:; CAT:NONE; SFS:(4636009)(346002)(366004)(376002)(396003)(136003)(39850400004)(7416002)(83380400001)(36756003)(31696002)(26005)(66946007)(6486002)(4326008)(478600001)(16526019)(186003)(53546011)(66556008)(66476007)(16576012)(5660300002)(8936002)(316002)(38100700002)(2906002)(86362001)(956004)(2616005)(8676002)(31686004)(44832011)(43740500002); DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData: =?utf-8?B?NE5yVnJFcUJVbzdaUU5xQlNVaUcwUmgwZlFhSXBnOGlJcVp4eENlYWFFeGFh?= =?utf-8?B?WGpXZE9IMW91WU1kMWN5VlFFL0lSSi9OWlZpenFKSVRHa29kV2VENzVDUHdS?= =?utf-8?B?WlhSQmNicnJSV25wWEhpMUZvOTd0WFhpeDRQUXdzNzNmVHF3NmkvSVY0Mzd4?= =?utf-8?B?WGZ5YXMvK1dUSTMrTUIvVyt5WmpJaFpxRUZ4Ri9kblFWZldwVXJvL25GRkwy?= =?utf-8?B?TUVOZXI4a2dTajNQczl1dmNyM0piZDNkcWxJVHNsQXN3ZXZReVMvQjhQQ2Y0?= =?utf-8?B?YUcrNjVrN3o0eUJNeXpTMmlBNHYwZGVnQ2o3eDJ6UE0yaTFDc1RzUzBlME96?= =?utf-8?B?VWh3aStOUVUrbzFzZkxET3A1WFB1UUZsS1VoYktsUWh1bDdvVk1VTzhnU3d6?= =?utf-8?B?YnA3Z2dzVDVuTDlITzN0bnErSndUTzlVdVRGTnZ2VnR2d3hkUTRDSk8xeFFi?= =?utf-8?B?KzBMMVUvNE9uUDV5TDMxTS9HeHZ3S1ViWXY3aWNkem8vUGk3TUJ6Vmxsak5Q?= =?utf-8?B?c3hZWkdWMjRXelhyb1NubklPdG1OZUo0cFhVcTBxUlo2WHBsd0lIQXlVZ2xB?= =?utf-8?B?ZnVVdEovcDVoekxtMDNPNzdxNlV2TmRuMkVRTTlJdm50WW0wNStEbTFXdkx5?= =?utf-8?B?QjdYZ0JOYlZQOEtOcDFNZytYLy9yM3pZeEdBc3R3OGVkeWl0WnJZWmVhTk9w?= =?utf-8?B?NkVnbXJKSUhJRko4WUxXYjhjUDdsaXVRWlRyVUhNajZvNVhnZWFmelkxK09L?= =?utf-8?B?ZCtjcDMwREhpVEdJR0xHTnM5cHBuZ0JYaGNvblFIcDBXRFNlalpYcjVERVB0?= =?utf-8?B?bTRUT1JPMEtIaUVlVnRuYlpONldJV3hTcWhLcXRZY3E1K2JvVTgzTGdjd29H?= =?utf-8?B?YytXRllWY29kREN0bndxdWtUZ1FGMFJVNlZQdUxOYlVKUzF1SkQzcU9mUEM0?= =?utf-8?B?d3JHQm5RTnJOS3BMRGNKRUYzTjhYT2xiNEVqZjlqM254S2ZwVWZwOVlZUnFh?= =?utf-8?B?ZWtrb0crdWxWcTkzNmlyQmJiTDBMLzlNejVldG9scDZFUDQyLzhVSkFwRFJw?= =?utf-8?B?UjFNSFhrZXBrSzlVdG9VSVRoMTFxaXdUOTFTWW04bUZOb1pkWFY0VmxDRDlC?= =?utf-8?B?VktjNzV2MGkzOHBZVnVXd0NCSHYzQ0o5c0IwODFoUUdBaUwxeEw5VldqWEtx?= =?utf-8?B?SUFJcGtkK25YU3FiNnl4QjVLRnZqRXY4MkVTZ3FQV05hV0Vya0Q3T2xNNEFR?= =?utf-8?B?RW9MSmFVbmVEUDVMUUdheFREOVNkd1lFZFJOZGxUU3ozVE1Yek0yYitkTy90?= =?utf-8?B?VkxMV1FDaitxWVpRajVRVHJpcW8rbDYzWUdzcmt4ZWhOaWkrUEtKTDlKT0dG?= =?utf-8?B?Uk1xNjU5K0VRbCsvUW5Mc21MK21hWHVxbVRSTlVJejdhcjB4NVNOU3lzN3p1?= =?utf-8?B?U3VwUGhnaGcxNW9jdG96RjI0V3pCMEZ2V2dRZlRTVFY1WmFLTktpV2JybGFQ?= =?utf-8?B?YllrR2djekp0T0pZa3l6MWNjQXVkbTNXNDNEdnlsMmJiRnVrZ2xrTzVUN09Z?= =?utf-8?B?SnVzRFVMWE1hSlY2OGRjVlFDaWQ3bnZXSXN2OU5TSUQ0Wjl1RzdheXZjdU1L?= =?utf-8?B?cE15c3k4TW1JeThlcFVKQ2g1K2F3bFBadzAvUmhNWVVvZDVULzNLOC9RT3hX?= =?utf-8?B?OFR1WllZL2h2eEpQYmg0cE91ZFRvUUxXU2FKemJnMVJWTG85RlBnRHlyQ0Uv?= =?utf-8?Q?/XCD4hnkieQoBtvpFBaEzxuAzoTQd+j2NhneSrj?= X-OriginatorOrg: kontron.de X-MS-Exchange-CrossTenant-Network-Message-Id: b82bf9c3-70a1-4cdf-80e1-08d90e3e5d0e X-MS-Exchange-CrossTenant-AuthSource: AM0PR10MB2963.EURPRD10.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 May 2021 14:18:46.3147 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 8c9d3c97-3fd9-41c8-a2b1-646f3942daf1 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: Yxtp4V/VR5cpklX/8AUFvsRIYH07LsY+5gRZJztkwYjSxFGmc6U5vBAFO8g2MDyu3J11QsK+QAz2frDam/tP3w+HRoTP3FS9UKGbiVgyTOY= X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR10MB3521 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210503_071849_393870_5D18B039 X-CRM114-Status: GOOD ( 18.84 ) 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: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 29.04.21 09:30, Peng Fan (OSS) wrote: > From: Lucas Stach > > This allows to nest domains into other power domains and have the > parent domain powered up/down as required by the child domains. > > Signed-off-by: Lucas Stach With the fix from patch 13/16 squashed: Reviewed-by: Frieder Schrempf > --- > drivers/soc/imx/gpcv2.c | 18 +++++++++++++++++- > 1 file changed, 17 insertions(+), 1 deletion(-) > > diff --git a/drivers/soc/imx/gpcv2.c b/drivers/soc/imx/gpcv2.c > index d27025e37a9e..87165619a689 100644 > --- a/drivers/soc/imx/gpcv2.c > +++ b/drivers/soc/imx/gpcv2.c > @@ -12,6 +12,7 @@ > #include > #include > #include > +#include > #include > #include > #include > @@ -141,11 +142,17 @@ static int imx_pgc_power_up(struct generic_pm_domain *genpd) > u32 reg_val; > int ret; > > + ret = pm_runtime_get_sync(domain->dev); > + if (ret) { > + pm_runtime_put_noidle(domain->dev); > + return ret; > + } > + > if (!IS_ERR(domain->regulator)) { > ret = regulator_enable(domain->regulator); > if (ret) { > dev_err(domain->dev, "failed to enable regulator\n"); > - return ret; > + goto out_put_pm; > } > } > > @@ -200,6 +207,8 @@ static int imx_pgc_power_up(struct generic_pm_domain *genpd) > out_regulator_disable: > if (!IS_ERR(domain->regulator)) > regulator_disable(domain->regulator); > +out_put_pm: > + pm_runtime_put(domain->dev); > > return ret; > } > @@ -262,6 +271,8 @@ static int imx_pgc_power_down(struct generic_pm_domain *genpd) > } > } > > + pm_runtime_put(domain->dev); > + > return 0; > > out_clk_disable: > @@ -519,6 +530,8 @@ static int imx_pgc_domain_probe(struct platform_device *pdev) > return dev_err_probe(domain->dev, domain->num_clks, > "Failed to get domain's clocks\n"); > > + pm_runtime_enable(domain->dev); > + > regmap_update_bits(domain->regmap, GPC_PGC_CPU_MAPPING, > domain->bits.map, domain->bits.map); > > @@ -542,6 +555,7 @@ static int imx_pgc_domain_probe(struct platform_device *pdev) > out_domain_unmap: > regmap_update_bits(domain->regmap, GPC_PGC_CPU_MAPPING, > domain->bits.map, 0); > + pm_runtime_disable(domain->dev); > > return ret; > } > @@ -556,6 +570,8 @@ static int imx_pgc_domain_remove(struct platform_device *pdev) > regmap_update_bits(domain->regmap, GPC_PGC_CPU_MAPPING, > domain->bits.map, 0); > > + pm_runtime_disable(domain->dev); > + > return 0; > } > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel