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=-5.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 2DDABC55ABD for ; Mon, 9 Nov 2020 05:00:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DAF5D2084C for ; Mon, 9 Nov 2020 05:00:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="jEZAcCQJ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729396AbgKIFAP (ORCPT ); Mon, 9 Nov 2020 00:00:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58932 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728993AbgKIFAO (ORCPT ); Mon, 9 Nov 2020 00:00:14 -0500 Received: from mail-pl1-x644.google.com (mail-pl1-x644.google.com [IPv6:2607:f8b0:4864:20::644]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B171BC0613CF for ; Sun, 8 Nov 2020 21:00:14 -0800 (PST) Received: by mail-pl1-x644.google.com with SMTP id x23so4130738plr.6 for ; Sun, 08 Nov 2020 21:00:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to :user-agent; bh=pqRYwsgE80dyuksaxFD472eZJVu82XkbBKetRcMgwkU=; b=jEZAcCQJcoNyrqtopd159IVehbQnFdrCz6Gv6znnBL+oQ9Lbu4SwHrg2soadRKeK2K tHih4WST3i/TCcj6zG3NcC99f5l/4cWK9Hfln+BVXXbkrR1PnWTasCM5zfT/TMCZDGt9 4y9fQy768qLLnTE3MNoBwJpSS+n1y2hy4CEdK5c9TZgDv/CsZCyWoBuiaAscEi6XOXaz fFRrm9tIKwCRdg8pkO9cL1mnHke7AsuFQHSxVtVK1lOFWXAcbU0rrIszlYFyBsfjnS5J 5MYwsJUwjmTVqE/xB66miJ9Smg7Qnite7DZudEoTQOg9GTVBnz2CKxeWfhRk9Fxccles G1MA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to:user-agent; bh=pqRYwsgE80dyuksaxFD472eZJVu82XkbBKetRcMgwkU=; b=e6Nl84fh7n2ZPZhuYg2QaOxqhwGVDmjrXzaPak/ikxHhvlZ2X2DocToGZq6rnwby2r ay3isYxl9wLxtl4yYqr5vRG2KjhR9wCym/653lEjHlX5mKBf4w1QJQ8B9JmeaacFCpOp mKHA/6Pj9IiDsZPGHDnFma4AjcotJnxN7kQlrStdfNF5yDnDYi0W+r6fgQCCn1pHHsuV r4w8n7wlvYpX0d0gCP7tb/YM9JxXqZYkKxxV2TWZYz5efMUuF/yxjL1tTxe22m10249N X1lQaC+pDyZSx1yjKz3BRU00BFS96zKPlIinBsy4vhZYAUmDXbCZbQS4Ry0GUBm0tz4j dEpA== X-Gm-Message-State: AOAM531o5Op30KOJAWnfp6z3+wTdqsaZVQo0v8A8Rhssj+awd1ZkElZG HFOWlD/r/mcHpIIoTUwY2UTd4A== X-Google-Smtp-Source: ABdhPJxqVzbXuE7r2OTnlJIGnZcPTN9Z6rBdnUMyX2RPUkOj+pqZMZGHLq2naeoWPtp+jW/061Xf1w== X-Received: by 2002:a17:902:a612:b029:d6:6ae:4d47 with SMTP id u18-20020a170902a612b02900d606ae4d47mr10993684plq.50.1604898014065; Sun, 08 Nov 2020 21:00:14 -0800 (PST) Received: from localhost ([122.172.12.172]) by smtp.gmail.com with ESMTPSA id gx24sm3171830pjb.38.2020.11.08.21.00.12 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sun, 08 Nov 2020 21:00:12 -0800 (PST) Date: Mon, 9 Nov 2020 10:30:10 +0530 From: Viresh Kumar To: Frank Lee Cc: Dmitry Osipenko , Thierry Reding , Jonathan Hunter , Alan Stern , Peter Chen , Mark Brown , Liam Girdwood , Adrian Hunter , Krzysztof Kozlowski , Greg Kroah-Hartman , Lee Jones , Uwe =?utf-8?Q?Kleine-K=C3=B6nig?= , Ulf Hansson , Mauro Carvalho Chehab , Rob Herring , Marek Szyprowski , Peter Geis , Nicolas Chauvet , driver-dev , linux-pwm@vger.kernel.org, linux-samsung-soc , DTML , linux-usb@vger.kernel.org, "open list:SECURE DIGITAL HO..." , Linux Kernel Mailing List , dri-devel , linux-tegra@vger.kernel.org, linux-media@vger.kernel.org Subject: Re: [PATCH v1 17/30] mmc: sdhci-tegra: Support OPP and core voltage scaling Message-ID: <20201109050010.g47zojh6wafvwqva@vireshk-i7> References: <20201104234427.26477-1-digetx@gmail.com> <20201104234427.26477-18-digetx@gmail.com> <6fa54ce6-d5ae-d04f-7c77-b62c148d92b7@gmail.com> <20201106061513.uyys7njcqcdlah67@vireshk-i7> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: NeoMutt/20180716-391-311a52 Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org On 06-11-20, 21:41, Frank Lee wrote: > On Fri, Nov 6, 2020 at 9:18 PM Dmitry Osipenko wrote: > > > > 06.11.2020 09:15, Viresh Kumar пишет: > > > Setting regulators for count as 0 doesn't sound good to me. > > > > > > But, I understand that you don't want to have that if (have_regulator) > > > check, and it is a fair request. What I will instead do is, allow all > > > dev_pm_opp_put*() API to start accepting a NULL pointer for the OPP > > > table and fail silently. And so you won't be required to have this > > > unwanted check. But you will be required to save the pointer returned > > > back by dev_pm_opp_set_regulators(), which is the right thing to do > > > anyways. > > > > Perhaps even a better variant could be to add a devm versions of the OPP > > API functions, then drivers won't need to care about storing the > > opp_table pointer if it's unused by drivers. > > I think so. The consumer may not be so concerned about the status of > these OPP tables. > If the driver needs to manage the release, it needs to add a pointer > to their driver global structure. > > Maybe it's worth having these devm interfaces for opp. Sure if there are enough users of this, I am all for it. I was fine with the patches you sent, just that there were not a lot of users of it and so I pushed them back. If we find that we have more users of it now, we can surely get that back. -- viresh 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=-5.0 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 6C037C55ABD for ; Mon, 9 Nov 2020 05:00:29 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (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 CE82E2083B for ; Mon, 9 Nov 2020 05:00:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="jEZAcCQJ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CE82E2083B Authentication-Results: mail.kernel.org; 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Sun, 08 Nov 2020 21:00:12 -0800 (PST) Date: Mon, 9 Nov 2020 10:30:10 +0530 From: Viresh Kumar To: Frank Lee Subject: Re: [PATCH v1 17/30] mmc: sdhci-tegra: Support OPP and core voltage scaling Message-ID: <20201109050010.g47zojh6wafvwqva@vireshk-i7> References: <20201104234427.26477-1-digetx@gmail.com> <20201104234427.26477-18-digetx@gmail.com> <6fa54ce6-d5ae-d04f-7c77-b62c148d92b7@gmail.com> <20201106061513.uyys7njcqcdlah67@vireshk-i7> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20180716-391-311a52 X-BeenThere: driverdev-devel@linuxdriverproject.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Driver Project Developer List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Chen , Ulf Hansson , DTML , dri-devel , Adrian Hunter , Thierry Reding , Dmitry Osipenko , Lee Jones , Marek Szyprowski , driver-dev , linux-samsung-soc , Nicolas Chauvet , Krzysztof Kozlowski , Jonathan Hunter , Alan Stern , Uwe =?utf-8?Q?Kleine-K=C3=B6nig?= , linux-media@vger.kernel.org, linux-pwm@vger.kernel.org, Mark Brown , linux-tegra@vger.kernel.org, Mauro Carvalho Chehab , Greg Kroah-Hartman , linux-usb@vger.kernel.org, "open list:SECURE DIGITAL HO..." , Liam Girdwood , Linux Kernel Mailing List , Rob Herring , Peter Geis Content-Type: text/plain; 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bh=pqRYwsgE80dyuksaxFD472eZJVu82XkbBKetRcMgwkU=; b=GBb+kWVie7nRCQ1qbZv9jK1T97/jWbGos1zBQDPgV4zRsNlijlU08myHIHkAHctz4a Vyc74YOYn6inDKavw4vmdJi9AcRDQ2zHL+zmnB8QPnrqcnD0017kPBk/r09Hms1EA4ST svFeYs0JQZIYT8+ekcfxvwFplkQWJotLnjEh78DvTjHQ/KqbIVy6YOrwRgtrpeB07XW0 rs3Awj2MYL9ybjlOewSctHxMvWlMkvvEQ46XmZlR4Bp6cpLbCFih2qAlJo0o38YJEayH BGDVwdZueenpsp9hgS4/F/QsELGaNWQviXj78J4tEGfmlE+gZ388eR4oJUPpGx8vd4G5 tGhQ== X-Gm-Message-State: AOAM533YHvhvxzGhu5+QBQ6A5Gah8JdziZapDFvznJiK+8y5cmBEzRbP ld52ZHO8B7ghSYbSH9usnT/k7A== X-Google-Smtp-Source: ABdhPJxqVzbXuE7r2OTnlJIGnZcPTN9Z6rBdnUMyX2RPUkOj+pqZMZGHLq2naeoWPtp+jW/061Xf1w== X-Received: by 2002:a17:902:a612:b029:d6:6ae:4d47 with SMTP id u18-20020a170902a612b02900d606ae4d47mr10993684plq.50.1604898014065; Sun, 08 Nov 2020 21:00:14 -0800 (PST) Received: from localhost ([122.172.12.172]) by smtp.gmail.com with ESMTPSA id gx24sm3171830pjb.38.2020.11.08.21.00.12 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sun, 08 Nov 2020 21:00:12 -0800 (PST) Date: Mon, 9 Nov 2020 10:30:10 +0530 From: Viresh Kumar To: Frank Lee Subject: Re: [PATCH v1 17/30] mmc: sdhci-tegra: Support OPP and core voltage scaling Message-ID: <20201109050010.g47zojh6wafvwqva@vireshk-i7> References: <20201104234427.26477-1-digetx@gmail.com> <20201104234427.26477-18-digetx@gmail.com> <6fa54ce6-d5ae-d04f-7c77-b62c148d92b7@gmail.com> <20201106061513.uyys7njcqcdlah67@vireshk-i7> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20180716-391-311a52 X-Mailman-Approved-At: Mon, 09 Nov 2020 08:52:30 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Chen , Ulf Hansson , DTML , dri-devel , Adrian Hunter , Thierry Reding , Dmitry Osipenko , Lee Jones , Marek Szyprowski , driver-dev , linux-samsung-soc , Nicolas Chauvet , Krzysztof Kozlowski , Jonathan Hunter , Alan Stern , Uwe =?utf-8?Q?Kleine-K=C3=B6nig?= , linux-media@vger.kernel.org, linux-pwm@vger.kernel.org, Mark Brown , linux-tegra@vger.kernel.org, Mauro Carvalho Chehab , Greg Kroah-Hartman , linux-usb@vger.kernel.org, "open list:SECURE DIGITAL HO..." , Liam Girdwood , Linux Kernel Mailing List , Rob Herring , Peter Geis Content-Type: text/plain; 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