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Wed, 02 Oct 2019 07:33:13 -0700 (PDT) Received: from pi3 ([194.230.155.145]) by smtp.googlemail.com with ESMTPSA id s12sm40423949wra.82.2019.10.02.07.33.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Oct 2019 07:33:12 -0700 (PDT) Date: Wed, 2 Oct 2019 16:33:10 +0200 From: Krzysztof Kozlowski To: Sylwester Nawrocki Subject: Re: [PATCH v4 1/6] opp: Handle target/min/max voltage in dev_pm_opp_adjust_voltage() Message-ID: <20191002143310.GA15898@pi3> References: <20190910123618.27985-1-s.nawrocki@samsung.com> <20190910123618.27985-2-s.nawrocki@samsung.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190910123618.27985-2-s.nawrocki@samsung.com> User-Agent: Mutt/1.12.1 (2019-06-15) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191002_073315_637683_231C3917 X-CRM114-Status: GOOD ( 17.10 ) 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, linux-samsung-soc@vger.kernel.org, linux-pm@vger.kernel.org, vireshk@kernel.org, b.zolnierkie@samsung.com, linux-kernel@vger.kernel.org, robh+dt@kernel.org, kgene@kernel.org, linux-arm-kernel@lists.infradead.org, m.szyprowski@samsung.com 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 Tue, Sep 10, 2019 at 02:36:13PM +0200, Sylwester Nawrocki wrote: > To be squashed with patch "PM / OPP: Support adjusting OPP voltages > at runtime". > > Signed-off-by: Sylwester Nawrocki > --- > Changes since v3: > - new patch > > drivers/opp/core.c | 10 ++++++++-- > include/linux/pm_opp.h | 3 ++- > 2 files changed, 10 insertions(+), 3 deletions(-) I'll take the ASV driver via samsung-soc but I see it depends on this one. Please provide me a stable tag with it or an Ack. Best regards, Krzysztof > > diff --git a/drivers/opp/core.c b/drivers/opp/core.c > index 407a07f29b12..4ebe5a6c280b 100644 > --- a/drivers/opp/core.c > +++ b/drivers/opp/core.c > @@ -2057,14 +2057,18 @@ static int _opp_set_availability(struct device *dev, unsigned long freq, > * dev_pm_opp_adjust_voltage() - helper to change the voltage of an OPP > * @dev: device for which we do this operation > * @freq: OPP frequency to adjust voltage of > - * @u_volt: new OPP voltage > + * @u_volt: new OPP target voltage > + * @u_volt_min: new OPP min voltage > + * @u_volt_max: new OPP max voltage > * > * Return: -EINVAL for bad pointers, -ENOMEM if no memory available for the > * copy operation, returns 0 if no modifcation was done OR modification was > * successful. > */ > int dev_pm_opp_adjust_voltage(struct device *dev, unsigned long freq, > - unsigned long u_volt) > + unsigned long u_volt, unsigned long u_volt_min, > + unsigned long u_volt_max) > + > { > struct opp_table *opp_table; > struct dev_pm_opp *tmp_opp, *opp = ERR_PTR(-ENODEV); > @@ -2098,6 +2102,8 @@ int dev_pm_opp_adjust_voltage(struct device *dev, unsigned long freq, > goto adjust_unlock; > > opp->supplies->u_volt = u_volt; > + opp->supplies->u_volt_min = u_volt_min; > + opp->supplies->u_volt_max = u_volt_max; > > dev_pm_opp_get(opp); > mutex_unlock(&opp_table->lock); > diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h > index 86947d53e8c4..0ee1daafe6af 100644 > --- a/include/linux/pm_opp.h > +++ b/include/linux/pm_opp.h > @@ -113,7 +113,8 @@ void dev_pm_opp_remove(struct device *dev, unsigned long freq); > void dev_pm_opp_remove_all_dynamic(struct device *dev); > > int dev_pm_opp_adjust_voltage(struct device *dev, unsigned long freq, > - unsigned long u_volt); > + unsigned long u_volt, unsigned long u_volt_min, > + unsigned long u_volt_max); > > int dev_pm_opp_enable(struct device *dev, unsigned long freq); > > -- > 2.17.1 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel