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=-8.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 B67CDC433E1 for ; Wed, 20 May 2020 14:54:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 923E62072C for ; Wed, 20 May 2020 14:54:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="hcjAoKuY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726791AbgETOyL (ORCPT ); Wed, 20 May 2020 10:54:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60102 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726436AbgETOyK (ORCPT ); Wed, 20 May 2020 10:54:10 -0400 Received: from mail-wm1-x341.google.com (mail-wm1-x341.google.com [IPv6:2a00:1450:4864:20::341]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 10FA8C061A0E; Wed, 20 May 2020 07:54:10 -0700 (PDT) Received: by mail-wm1-x341.google.com with SMTP id m185so3181821wme.3; Wed, 20 May 2020 07:54:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:autocrypt:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=eVboQ/vbhLQ48NyZbNUxNWK6am4qR68FCbQ1gWq93oo=; b=hcjAoKuYNCz3b/BMtse8aODsCZcTPl8ilKNAVQMg2KTXru9sUyn+ADzewnQyixrjG5 bTWCgU0wmDUCuXdDMFxCGBUPlxa20qEeKkTuu7TRuGi+eKwlDbYFi1f2+iVaDgoJsCuo +5q6IW4WyNSfq40rmw4s6MaaDDqYAV4P8cY0ZLxhd2KEcteJ0hw7eFiz5AfTTkhldhsP Y+bOJVT4f/Odp8myDqfwtBa2bEoj/72nHgeAqFGSe1vJxjRW5D1Exvl9BPei7t8rlh1f gSCeodt6cVjtVkMzx7nzgsGj9ADb49ocC7Q3NRHhfJ2i5nnaINkZ2Rp4potcrvyfWvzo 0YNw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:autocrypt :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=eVboQ/vbhLQ48NyZbNUxNWK6am4qR68FCbQ1gWq93oo=; b=TATf+4Z2lr8UicjNT7/B0HYaTwxD4CEaxaca+RuB/yPTb30jrF7UgqPk5WEeUyG1fD CwCNhC3dc3EVpxsSjzX6azw7qFF2QGHD18trBXgHa8wlMsn7r5crPLv0bnpvhtiEnJ5y U4xMIzysyNePTyha7WgjLdkkmCJOdNyS6LQ4foc5fCsfymp+E0/txhGvadOTyRzFJ49f C2eKNG8372zhTtiA7VfO0QENCuVSV09WBR7OjERW0k4ypxVZpUT1flbeg3jVwf6u6ozx E2Uqr9rrjd5cGtxwO1EdGS67iLAtKFz47kghoECdSsZvex7vpEnMZm9DtdroyYB/RcuC +Bpg== X-Gm-Message-State: AOAM5335L6+O13V00XcFfaRGNRdo+n9YEa9V+Gsu/gDxJBLcUtBkTOuL yEbsfDmYKbNrh3eamrWgKTw= X-Google-Smtp-Source: ABdhPJxPrwrHkI6ZwMjUmVq2c2tvKeQtjxuidicgri85UBZxYca0OmLPuSuxs/2af7bkhwmNsAPJjA== X-Received: by 2002:a1c:7e43:: with SMTP id z64mr4817044wmc.72.1589986448765; Wed, 20 May 2020 07:54:08 -0700 (PDT) Received: from ziggy.stardust ([213.195.113.243]) by smtp.gmail.com with ESMTPSA id w18sm3038776wro.33.2020.05.20.07.54.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 20 May 2020 07:54:07 -0700 (PDT) Subject: Re: [PATCH 01/12] OPP: Allow required-opps even if the device doesn't have power-domains To: "Andrew-sh.Cheng" , MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Rob Herring , Mark Rutland , "Rafael J . Wysocki" , Viresh Kumar , Nishanth Menon , Stephen Boyd , Liam Girdwood , Mark Brown Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, srv_heupstream@mediatek.com, Saravana Kannan References: <20200520034307.20435-1-andrew-sh.cheng@mediatek.com> <20200520034307.20435-2-andrew-sh.cheng@mediatek.com> From: Matthias Brugger Autocrypt: addr=matthias.bgg@gmail.com; prefer-encrypt=mutual; keydata= mQINBFP1zgUBEAC21D6hk7//0kOmsUrE3eZ55kjc9DmFPKIz6l4NggqwQjBNRHIMh04BbCMY fL3eT7ZsYV5nur7zctmJ+vbszoOASXUpfq8M+S5hU2w7sBaVk5rpH9yW8CUWz2+ZpQXPJcFa OhLZuSKB1F5JcvLbETRjNzNU7B3TdS2+zkgQQdEyt7Ij2HXGLJ2w+yG2GuR9/iyCJRf10Okq gTh//XESJZ8S6KlOWbLXRE+yfkKDXQx2Jr1XuVvM3zPqH5FMg8reRVFsQ+vI0b+OlyekT/Xe 0Hwvqkev95GG6x7yseJwI+2ydDH6M5O7fPKFW5mzAdDE2g/K9B4e2tYK6/rA7Fq4cqiAw1+u EgO44+eFgv082xtBez5WNkGn18vtw0LW3ESmKh19u6kEGoi0WZwslCNaGFrS4M7OH+aOJeqK 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+abzEL6QDAAxn9md8KwrA3RtucNh87cHlDXfUBKa7SRvBjTczDg+HEPNk2u3hrz1j3l2rliQ y1UfYx7Vk/TrdwUIJgKS8QAr8Lw9WuvY2hSqL9vEjx8VAkPWNWPwrQ== Message-ID: Date: Wed, 20 May 2020 16:54:06 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <20200520034307.20435-2-andrew-sh.cheng@mediatek.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 20/05/2020 05:42, Andrew-sh.Cheng wrote: > From: Saravana Kannan > > A Device-A can have a (minimum) performance requirement on another > Device-B to be able to function correctly. This performance requirement > on Device-B can also change based on the current performance level of > Device-A. > > The existing required-opps feature fits well to describe this need. So, > instead of limiting required-opps to point to only PM-domain devices, > allow it to point to any device. > > Signed-off-by: Saravana Kannan Please check all patches, they are missing your Signed-off-by Regards, Matthias > --- > drivers/opp/core.c | 2 +- > drivers/opp/of.c | 11 ----------- > 2 files changed, 1 insertion(+), 12 deletions(-) > > diff --git a/drivers/opp/core.c b/drivers/opp/core.c > index ba43e6a3dc0a..51403c1f2481 100644 > --- a/drivers/opp/core.c > +++ b/drivers/opp/core.c > @@ -755,7 +755,7 @@ static int _set_required_opps(struct device *dev, > return 0; > > /* Single genpd case */ > - if (!genpd_virt_devs) { > + if (!genpd_virt_devs && required_opp_tables[0]->is_genpd) { > pstate = likely(opp) ? opp->required_opps[0]->pstate : 0; > ret = dev_pm_genpd_set_performance_state(dev, pstate); > if (ret) { > diff --git a/drivers/opp/of.c b/drivers/opp/of.c > index 9cd8f0adacae..6d33de668a7b 100644 > --- a/drivers/opp/of.c > +++ b/drivers/opp/of.c > @@ -195,17 +195,6 @@ static void _opp_table_alloc_required_tables(struct opp_table *opp_table, > > if (IS_ERR(required_opp_tables[i])) > goto free_required_tables; > - > - /* > - * We only support genpd's OPPs in the "required-opps" for now, > - * as we don't know how much about other cases. Error out if the > - * required OPP doesn't belong to a genpd. > - */ > - if (!required_opp_tables[i]->is_genpd) { > - dev_err(dev, "required-opp doesn't belong to genpd: %pOF\n", > - required_np); > - goto free_required_tables; > - } > } > > goto put_np; > 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=-8.0 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 CA054C433E0 for ; Wed, 20 May 2020 14:54:24 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 392C6207C4 for ; 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Wed, 20 May 2020 07:54:08 -0700 (PDT) Received: from ziggy.stardust ([213.195.113.243]) by smtp.gmail.com with ESMTPSA id w18sm3038776wro.33.2020.05.20.07.54.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 20 May 2020 07:54:07 -0700 (PDT) Subject: Re: [PATCH 01/12] OPP: Allow required-opps even if the device doesn't have power-domains To: "Andrew-sh.Cheng" , MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Rob Herring , Mark Rutland , "Rafael J . Wysocki" , Viresh Kumar , Nishanth Menon , Stephen Boyd , Liam Girdwood , Mark Brown References: <20200520034307.20435-1-andrew-sh.cheng@mediatek.com> <20200520034307.20435-2-andrew-sh.cheng@mediatek.com> From: Matthias Brugger Autocrypt: addr=matthias.bgg@gmail.com; prefer-encrypt=mutual; keydata= mQINBFP1zgUBEAC21D6hk7//0kOmsUrE3eZ55kjc9DmFPKIz6l4NggqwQjBNRHIMh04BbCMY fL3eT7ZsYV5nur7zctmJ+vbszoOASXUpfq8M+S5hU2w7sBaVk5rpH9yW8CUWz2+ZpQXPJcFa OhLZuSKB1F5JcvLbETRjNzNU7B3TdS2+zkgQQdEyt7Ij2HXGLJ2w+yG2GuR9/iyCJRf10Okq gTh//XESJZ8S6KlOWbLXRE+yfkKDXQx2Jr1XuVvM3zPqH5FMg8reRVFsQ+vI0b+OlyekT/Xe 0Hwvqkev95GG6x7yseJwI+2ydDH6M5O7fPKFW5mzAdDE2g/K9B4e2tYK6/rA7Fq4cqiAw1+u EgO44+eFgv082xtBez5WNkGn18vtw0LW3ESmKh19u6kEGoi0WZwslCNaGFrS4M7OH+aOJeqK fx5dIv2CEbxc6xnHY7dwkcHikTA4QdbdFeUSuj4YhIZ+0QlDVtS1QEXyvZbZky7ur9rHkZvP ZqlUsLJ2nOqsmahMTIQ8Mgx9SLEShWqD4kOF4zNfPJsgEMB49KbS2o9jxbGB+JKupjNddfxZ HlH1KF8QwCMZEYaTNogrVazuEJzx6JdRpR3sFda/0x5qjTadwIW6Cl9tkqe2h391dOGX1eOA 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MIME-Version: 1.0 In-Reply-To: <20200520034307.20435-2-andrew-sh.cheng@mediatek.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200520_075410_640198_5A6C0B78 X-CRM114-Status: GOOD ( 22.62 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Saravana Kannan , srv_heupstream@mediatek.com, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On 20/05/2020 05:42, Andrew-sh.Cheng wrote: > From: Saravana Kannan > > A Device-A can have a (minimum) performance requirement on another > Device-B to be able to function correctly. This performance requirement > on Device-B can also change based on the current performance level of > Device-A. > > The existing required-opps feature fits well to describe this need. So, > instead of limiting required-opps to point to only PM-domain devices, > allow it to point to any device. > > Signed-off-by: Saravana Kannan Please check all patches, they are missing your Signed-off-by Regards, Matthias > --- > drivers/opp/core.c | 2 +- > drivers/opp/of.c | 11 ----------- > 2 files changed, 1 insertion(+), 12 deletions(-) > > diff --git a/drivers/opp/core.c b/drivers/opp/core.c > index ba43e6a3dc0a..51403c1f2481 100644 > --- a/drivers/opp/core.c > +++ b/drivers/opp/core.c > @@ -755,7 +755,7 @@ static int _set_required_opps(struct device *dev, > return 0; > > /* Single genpd case */ > - if (!genpd_virt_devs) { > + if (!genpd_virt_devs && required_opp_tables[0]->is_genpd) { > pstate = likely(opp) ? opp->required_opps[0]->pstate : 0; > ret = dev_pm_genpd_set_performance_state(dev, pstate); > if (ret) { > diff --git a/drivers/opp/of.c b/drivers/opp/of.c > index 9cd8f0adacae..6d33de668a7b 100644 > --- a/drivers/opp/of.c > +++ b/drivers/opp/of.c > @@ -195,17 +195,6 @@ static void _opp_table_alloc_required_tables(struct opp_table *opp_table, > > if (IS_ERR(required_opp_tables[i])) > goto free_required_tables; > - > - /* > - * We only support genpd's OPPs in the "required-opps" for now, > - * as we don't know how much about other cases. Error out if the > - * required OPP doesn't belong to a genpd. > - */ > - if (!required_opp_tables[i]->is_genpd) { > - dev_err(dev, "required-opp doesn't belong to genpd: %pOF\n", > - required_np); > - goto free_required_tables; > - } > } > > goto put_np; > _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek 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=-8.0 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 DC3ECC433DF for ; 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Wysocki" , Viresh Kumar , Nishanth Menon , Stephen Boyd , Liam Girdwood , Mark Brown References: <20200520034307.20435-1-andrew-sh.cheng@mediatek.com> <20200520034307.20435-2-andrew-sh.cheng@mediatek.com> From: Matthias Brugger Autocrypt: addr=matthias.bgg@gmail.com; prefer-encrypt=mutual; keydata= mQINBFP1zgUBEAC21D6hk7//0kOmsUrE3eZ55kjc9DmFPKIz6l4NggqwQjBNRHIMh04BbCMY fL3eT7ZsYV5nur7zctmJ+vbszoOASXUpfq8M+S5hU2w7sBaVk5rpH9yW8CUWz2+ZpQXPJcFa OhLZuSKB1F5JcvLbETRjNzNU7B3TdS2+zkgQQdEyt7Ij2HXGLJ2w+yG2GuR9/iyCJRf10Okq gTh//XESJZ8S6KlOWbLXRE+yfkKDXQx2Jr1XuVvM3zPqH5FMg8reRVFsQ+vI0b+OlyekT/Xe 0Hwvqkev95GG6x7yseJwI+2ydDH6M5O7fPKFW5mzAdDE2g/K9B4e2tYK6/rA7Fq4cqiAw1+u EgO44+eFgv082xtBez5WNkGn18vtw0LW3ESmKh19u6kEGoi0WZwslCNaGFrS4M7OH+aOJeqK fx5dIv2CEbxc6xnHY7dwkcHikTA4QdbdFeUSuj4YhIZ+0QlDVtS1QEXyvZbZky7ur9rHkZvP ZqlUsLJ2nOqsmahMTIQ8Mgx9SLEShWqD4kOF4zNfPJsgEMB49KbS2o9jxbGB+JKupjNddfxZ HlH1KF8QwCMZEYaTNogrVazuEJzx6JdRpR3sFda/0x5qjTadwIW6Cl9tkqe2h391dOGX1eOA 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MIME-Version: 1.0 In-Reply-To: <20200520034307.20435-2-andrew-sh.cheng@mediatek.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200520_075410_640198_5A6C0B78 X-CRM114-Status: GOOD ( 22.62 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Saravana Kannan , srv_heupstream@mediatek.com, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 20/05/2020 05:42, Andrew-sh.Cheng wrote: > From: Saravana Kannan > > A Device-A can have a (minimum) performance requirement on another > Device-B to be able to function correctly. This performance requirement > on Device-B can also change based on the current performance level of > Device-A. > > The existing required-opps feature fits well to describe this need. So, > instead of limiting required-opps to point to only PM-domain devices, > allow it to point to any device. > > Signed-off-by: Saravana Kannan Please check all patches, they are missing your Signed-off-by Regards, Matthias > --- > drivers/opp/core.c | 2 +- > drivers/opp/of.c | 11 ----------- > 2 files changed, 1 insertion(+), 12 deletions(-) > > diff --git a/drivers/opp/core.c b/drivers/opp/core.c > index ba43e6a3dc0a..51403c1f2481 100644 > --- a/drivers/opp/core.c > +++ b/drivers/opp/core.c > @@ -755,7 +755,7 @@ static int _set_required_opps(struct device *dev, > return 0; > > /* Single genpd case */ > - if (!genpd_virt_devs) { > + if (!genpd_virt_devs && required_opp_tables[0]->is_genpd) { > pstate = likely(opp) ? opp->required_opps[0]->pstate : 0; > ret = dev_pm_genpd_set_performance_state(dev, pstate); > if (ret) { > diff --git a/drivers/opp/of.c b/drivers/opp/of.c > index 9cd8f0adacae..6d33de668a7b 100644 > --- a/drivers/opp/of.c > +++ b/drivers/opp/of.c > @@ -195,17 +195,6 @@ static void _opp_table_alloc_required_tables(struct opp_table *opp_table, > > if (IS_ERR(required_opp_tables[i])) > goto free_required_tables; > - > - /* > - * We only support genpd's OPPs in the "required-opps" for now, > - * as we don't know how much about other cases. Error out if the > - * required OPP doesn't belong to a genpd. > - */ > - if (!required_opp_tables[i]->is_genpd) { > - dev_err(dev, "required-opp doesn't belong to genpd: %pOF\n", > - required_np); > - goto free_required_tables; > - } > } > > goto put_np; > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel