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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-kernel@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