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Wed, 19 May 2021 07:06:42 +0000 From: Dong Aisheng To: linux-pm@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, dongas86@gmail.com, linux-imx@nxp.com, cw00.choi@samsung.com, myungjoo.ham@samsung.com, kyungmin.park@samsung.com, shawnguo@kernel.org, kernel@pengutronix.de, abel.vesa@nxp.com, Dong Aisheng Subject: [PATCH 1/2] PM / devfreq: imx-bus: Remove imx_bus_get_dev_status Date: Wed, 19 May 2021 15:05:44 +0800 Message-Id: <20210519070545.1728197-1-aisheng.dong@nxp.com> X-Mailer: git-send-email 2.25.1 X-Originating-IP: [119.31.174.66] X-ClientProxiedBy: SG2PR02CA0056.apcprd02.prod.outlook.com (2603:1096:4:54::20) To AM6PR04MB4966.eurprd04.prod.outlook.com (2603:10a6:20b:2::14) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.66) by SG2PR02CA0056.apcprd02.prod.outlook.com (2603:1096:4:54::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4129.25 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 14566ea2-4c74-406e-dc35-08d91a94a7a8 X-MS-Exchange-CrossTenant-AuthSource: AM6PR04MB4966.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 May 2021 07:06:42.2647 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 4E/vgIqUQfAO+yYJczxLB8h67YELmHlZPCP/f5akE1qzvGXWveuVzLusOQLnsp35jwlX8DoYJeDEOW5KNMhzgw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR04MB7733 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Current driver actually does not support simple ondemand governor as it's unable to provide device load information. So removing the unnecessary callback to avoid confusing. Right now the driver is using userspace governor by default. polling_ms was also dropped as it's not needed for non-ondemand governor. Cc: Chanwoo Choi Signed-off-by: Dong Aisheng --- drivers/devfreq/imx-bus.c | 14 -------------- 1 file changed, 14 deletions(-) diff --git a/drivers/devfreq/imx-bus.c b/drivers/devfreq/imx-bus.c index 3fc3fd77492d..f3f6e25053ed 100644 --- a/drivers/devfreq/imx-bus.c +++ b/drivers/devfreq/imx-bus.c @@ -45,18 +45,6 @@ static int imx_bus_get_cur_freq(struct device *dev, unsigned long *freq) return 0; } -static int imx_bus_get_dev_status(struct device *dev, - struct devfreq_dev_status *stat) -{ - struct imx_bus *priv = dev_get_drvdata(dev); - - stat->busy_time = 0; - stat->total_time = 0; - stat->current_frequency = clk_get_rate(priv->clk); - - return 0; -} - static void imx_bus_exit(struct device *dev) { struct imx_bus *priv = dev_get_drvdata(dev); @@ -129,9 +117,7 @@ static int imx_bus_probe(struct platform_device *pdev) return ret; } - priv->profile.polling_ms = 1000; priv->profile.target = imx_bus_target; - priv->profile.get_dev_status = imx_bus_get_dev_status; priv->profile.exit = imx_bus_exit; priv->profile.get_cur_freq = imx_bus_get_cur_freq; priv->profile.initial_freq = clk_get_rate(priv->clk); From patchwork Wed May 19 07:05:45 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aisheng Dong X-Patchwork-Id: 12266463 X-Patchwork-Delegate: cw00.choi@samsung.com 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=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 0BA23C433ED for ; Wed, 19 May 2021 07:06:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DC9A5610CD for ; 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dmarc=none action=none header.from=nxp.com; Received: from AM6PR04MB4966.eurprd04.prod.outlook.com (2603:10a6:20b:2::14) by AS8PR04MB7733.eurprd04.prod.outlook.com (2603:10a6:20b:288::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4129.26; Wed, 19 May 2021 07:06:46 +0000 Received: from AM6PR04MB4966.eurprd04.prod.outlook.com ([fe80::b10a:ad0:a6f5:db9b]) by AM6PR04MB4966.eurprd04.prod.outlook.com ([fe80::b10a:ad0:a6f5:db9b%2]) with mapi id 15.20.4129.033; Wed, 19 May 2021 07:06:46 +0000 From: Dong Aisheng To: linux-pm@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, dongas86@gmail.com, linux-imx@nxp.com, cw00.choi@samsung.com, myungjoo.ham@samsung.com, kyungmin.park@samsung.com, shawnguo@kernel.org, kernel@pengutronix.de, abel.vesa@nxp.com, Dong Aisheng Subject: [PATCH 2/2] devfreq: imx8m-ddrc: de-select DEVFREQ_GOV_SIMPLE_ONDEMAND Date: Wed, 19 May 2021 15:05:45 +0800 Message-Id: <20210519070545.1728197-2-aisheng.dong@nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210519070545.1728197-1-aisheng.dong@nxp.com> References: <20210519070545.1728197-1-aisheng.dong@nxp.com> X-Originating-IP: [119.31.174.66] X-ClientProxiedBy: SG2PR02CA0056.apcprd02.prod.outlook.com (2603:1096:4:54::20) To AM6PR04MB4966.eurprd04.prod.outlook.com (2603:10a6:20b:2::14) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.66) by SG2PR02CA0056.apcprd02.prod.outlook.com (2603:1096:4:54::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4129.25 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 92d9a1b7-4349-4049-d4f2-08d91a94a9f3 X-MS-Exchange-CrossTenant-AuthSource: AM6PR04MB4966.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 May 2021 07:06:46.2194 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: LUWDCWZzXa7SsKjyPwoqwBhS7r7MStGxcQMqDELLKS7O2Z/Go+3Rr/y7teUt2Ud01vGmyZ3mRbQ9DNCugVtUUA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR04MB7733 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org The driver can't support simple ondemand governor due to missing .get_dev_status() capability. Cc: Chanwoo Choi Signed-off-by: Dong Aisheng --- drivers/devfreq/Kconfig | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig index 20373a893b44..e87d01c0b76a 100644 --- a/drivers/devfreq/Kconfig +++ b/drivers/devfreq/Kconfig @@ -103,7 +103,6 @@ config ARM_IMX8M_DDRC_DEVFREQ tristate "i.MX8M DDRC DEVFREQ Driver" depends on (ARCH_MXC && HAVE_ARM_SMCCC) || \ (COMPILE_TEST && HAVE_ARM_SMCCC) - select DEVFREQ_GOV_SIMPLE_ONDEMAND select DEVFREQ_GOV_USERSPACE help This adds the DEVFREQ driver for the i.MX8M DDR Controller. It allows