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[109.252.192.83]) by smtp.googlemail.com with ESMTPSA id v20sm248899lfd.178.2020.11.05.09.54.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 05 Nov 2020 09:54:49 -0800 (PST) Subject: Re: [PATCH v1 21/30] usb: host: ehci-tegra: Support OPP and SoC core voltage scaling To: Alan Stern Cc: Thierry Reding , Jonathan Hunter , Peter Chen , Mark Brown , Liam Girdwood , Adrian Hunter , Krzysztof Kozlowski , Greg Kroah-Hartman , Lee Jones , =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= , Ulf Hansson , Mauro Carvalho Chehab , Rob Herring , Marek Szyprowski , Peter Geis , Nicolas Chauvet , linux-samsung-soc@vger.kernel.org, devel@driverdev.osuosl.org, linux-usb@vger.kernel.org, linux-pwm@vger.kernel.org, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org, linux-tegra@vger.kernel.org References: <20201104234427.26477-1-digetx@gmail.com> <20201104234427.26477-22-digetx@gmail.com> <20201105160743.GA1613614@rowland.harvard.edu> From: Dmitry Osipenko Message-ID: Date: Thu, 5 Nov 2020 20:54:48 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20201105160743.GA1613614@rowland.harvard.edu> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org 05.11.2020 19:07, Alan Stern пишет: > Do you really want to use the same error unwinding for opp_table values > obtained from dev_pm_opp_set_regulators() as from > dev_pm_opp_get_opp_table()? They both are pointing at the same opp_table, which is refcounted. The dev_pm_opp_set_regulators() is dev_pm_opp_get_opp_table() + it sets regulator for the table. https://elixir.bootlin.com/linux/v5.10-rc2/source/drivers/opp/core.c#L1756 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=-4.8 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,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 A7217C2D0A3 for ; Fri, 6 Nov 2020 08:34:45 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 332D220A8B for ; Fri, 6 Nov 2020 08:34:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="XXHF9HTK" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 332D220A8B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7B8C66EA71; Fri, 6 Nov 2020 08:34:43 +0000 (UTC) Received: from mail-lf1-x142.google.com (mail-lf1-x142.google.com [IPv6:2a00:1450:4864:20::142]) by gabe.freedesktop.org (Postfix) with ESMTPS id D07636ED64 for ; Thu, 5 Nov 2020 17:54:51 +0000 (UTC) Received: by mail-lf1-x142.google.com with SMTP id 126so3559869lfi.8 for ; Thu, 05 Nov 2020 09:54:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=gA6OLdD6ilrl1MlK7OiJsrdds83PpowmxPmjVFzKPLU=; b=XXHF9HTK2ugJChM+FIFMCW2E53QGEH1yguNWVVsZT4/1tb/wA72NsMDzQdgSY44iRC mV3oLf1MLXH5haz2YuP1CDRT8aUuzPTl7F2/RMHftpwIeYEBCAs3NG+BR4dNeGs187mI XbuGXQroBJTTOWAvgupbT5YRyuuxAIsIhg4fLFlZAAdVH++d1JBlqRiVgDhJ8kvrw9/J CoeoXoFGkh8y4iwGjCRTehbz/gI/F1PorRz0eVlctXoG9S08Uk7T6RBaUSdPCHSWuFmU /CTWZV/yrLcMfC8ZqzKcUNZKBSSDhWAWRgAsWN1XiInqnWC0QIShxySn34YF6hnFOplx 3LEQ== 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:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=gA6OLdD6ilrl1MlK7OiJsrdds83PpowmxPmjVFzKPLU=; b=ePak25IQzZrcjoS7rAiLbnGrpZzrrPgFFYsZ6t07IBeOEW9nkJQnCH6eHf36rEinw2 MrtX3+Vy+sebOQl16v/iDEUyhI1nHZdE06mfQG7xttQ3HxCDmWIBXuSq3Bn9wsVuC91t OP+ioLi5OyosEFFDjMWQYutBcBWHkatcY7cXCGzRmol/UsNug+BVKldoFl0EWHlG8TPG Um16LANOywPmR0PSGJJPV8z8SbjizvYNL0mTdNuz6LOKhb585ugMXQOjz8orIVg7iyAQ Q0fURzxm2AWeKlTMtnBaQ05d4VMnl/HyRr7OEHTmTg6c2BI+dOukM8MoRkOC9kNY6WET f53A== X-Gm-Message-State: AOAM533K5jtaPVYg3SuR7k5VoxdWZL3FCrc+91oYql4LypbR27mc+irx apgoKFd7D7sMrLqa8RUDU/o= X-Google-Smtp-Source: ABdhPJyehz6KeITPmKFKw6lYd3zXe4BcIJiDjnQqHKJZPRp9Z41GNG8/Y3X7JzcgSQn251Z5j8SlyQ== X-Received: by 2002:a19:4206:: with SMTP id p6mr1372241lfa.151.1604598890223; Thu, 05 Nov 2020 09:54:50 -0800 (PST) Received: from [192.168.2.145] (109-252-192-83.dynamic.spd-mgts.ru. [109.252.192.83]) by smtp.googlemail.com with ESMTPSA id v20sm248899lfd.178.2020.11.05.09.54.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 05 Nov 2020 09:54:49 -0800 (PST) Subject: Re: [PATCH v1 21/30] usb: host: ehci-tegra: Support OPP and SoC core voltage scaling To: Alan Stern References: <20201104234427.26477-1-digetx@gmail.com> <20201104234427.26477-22-digetx@gmail.com> <20201105160743.GA1613614@rowland.harvard.edu> From: Dmitry Osipenko Message-ID: Date: Thu, 5 Nov 2020 20:54:48 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20201105160743.GA1613614@rowland.harvard.edu> Content-Language: en-US X-Mailman-Approved-At: Fri, 06 Nov 2020 08:34:42 +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 , Liam Girdwood , dri-devel@lists.freedesktop.org, Adrian Hunter , devicetree@vger.kernel.org, Thierry Reding , Lee Jones , Marek Szyprowski , devel@driverdev.osuosl.org, linux-samsung-soc@vger.kernel.org, Nicolas Chauvet , Krzysztof Kozlowski , Jonathan Hunter , =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= , linux-media@vger.kernel.org, linux-pwm@vger.kernel.org, Rob Herring , linux-tegra@vger.kernel.org, Mauro Carvalho Chehab , Greg Kroah-Hartman , linux-usb@vger.kernel.org, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, Mark Brown , Peter Geis Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" MDUuMTEuMjAyMCAxOTowNywgQWxhbiBTdGVybiDQv9C40YjQtdGCOgo+IERvIHlvdSByZWFsbHkg d2FudCB0byB1c2UgdGhlIHNhbWUgZXJyb3IgdW53aW5kaW5nIGZvciBvcHBfdGFibGUgdmFsdWVz IAo+IG9idGFpbmVkIGZyb20gZGV2X3BtX29wcF9zZXRfcmVndWxhdG9ycygpIGFzIGZyb20gCj4g ZGV2X3BtX29wcF9nZXRfb3BwX3RhYmxlKCk/CgpUaGV5IGJvdGggYXJlIHBvaW50aW5nIGF0IHRo ZSBzYW1lIG9wcF90YWJsZSwgd2hpY2ggaXMgcmVmY291bnRlZC4KClRoZSBkZXZfcG1fb3BwX3Nl dF9yZWd1bGF0b3JzKCkgaXMgZGV2X3BtX29wcF9nZXRfb3BwX3RhYmxlKCkgKyBpdCBzZXRzCnJl Z3VsYXRvciBmb3IgdGhlIHRhYmxlLgoKaHR0cHM6Ly9lbGl4aXIuYm9vdGxpbi5jb20vbGludXgv djUuMTAtcmMyL3NvdXJjZS9kcml2ZXJzL29wcC9jb3JlLmMjTDE3NTYKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApk cmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Au b3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==