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[178.174.189.39]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5354079bbf2sm1790646e87.20.2024.09.02.15.48.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Sep 2024 15:48:22 -0700 (PDT) From: Ulf Hansson To: Viresh Kumar , Nishanth Menon , Stephen Boyd , Dikshita Agarwal Cc: Bjorn Andersson , Konrad Dybcio , Nikunj Kela , Bryan O'Donoghue , Thierry Reding , Mikko Perttunen , Jonathan Hunter , Stephan Gerhold , Ilia Lin , Stanimir Varbanov , Vikash Garodia , Ulf Hansson , linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] OPP: Add helper to retrieve the OF node for an OPP table Date: Tue, 3 Sep 2024 00:48:14 +0200 Message-Id: <20240902224815.78220-2-ulf.hansson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240902224815.78220-1-ulf.hansson@linaro.org> References: <20240902224815.78220-1-ulf.hansson@linaro.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" As being shown from a subsequent change it can be useful for a OPP consumer to retrieve the corresponding OF node for an OPP table. Therefore, let's add an OPP helper for it. Signed-off-by: Ulf Hansson --- drivers/opp/of.c | 12 ++++++++++++ include/linux/pm_opp.h | 6 ++++++ 2 files changed, 18 insertions(+) diff --git a/drivers/opp/of.c b/drivers/opp/of.c index fd5ed2858258..f0950339da55 100644 --- a/drivers/opp/of.c +++ b/drivers/opp/of.c @@ -1461,6 +1461,18 @@ struct device_node *dev_pm_opp_get_of_node(struct de= v_pm_opp *opp) } EXPORT_SYMBOL_GPL(dev_pm_opp_get_of_node); =20 +/** + * dev_pm_opp_table_to_of_node() - Finds the node for an OPP table + * @opp_table: The opp_table to return the node for + * + * Return: The DT node corresponding to the @opp_table. + */ +struct device_node *dev_pm_opp_table_to_of_node(struct opp_table *opp_tabl= e) +{ + return opp_table->np; +} +EXPORT_SYMBOL_GPL(dev_pm_opp_table_to_of_node); + /* * Callback function provided to the Energy Model framework upon registrat= ion. * It provides the power used by @dev at @kHz if it is the frequency of an diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h index 451a7465a605..7894e631cded 100644 --- a/include/linux/pm_opp.h +++ b/include/linux/pm_opp.h @@ -469,6 +469,7 @@ void dev_pm_opp_of_cpumask_remove_table(const struct cp= umask *cpumask); int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, struct cpumask = *cpumask); struct device_node *dev_pm_opp_of_get_opp_desc_node(struct device *dev); struct device_node *dev_pm_opp_get_of_node(struct dev_pm_opp *opp); +struct device_node *dev_pm_opp_table_to_of_node(struct opp_table *table); int of_get_required_opp_performance_state(struct device_node *np, int inde= x); bool dev_pm_opp_of_has_required_opp(struct device *dev); int dev_pm_opp_of_find_icc_paths(struct device *dev, struct opp_table *opp= _table); @@ -528,6 +529,11 @@ static inline struct device_node *dev_pm_opp_get_of_no= de(struct dev_pm_opp *opp) return NULL; } =20 +static inline struct device_node *dev_pm_opp_table_to_of_node(struct opp_t= able *table) +{ + return NULL; +} + static inline int dev_pm_opp_of_register_em(struct device *dev, struct cpumask *cpus) { --=20 2.34.1