linux-kernel - [PATCH v9 3/8] opp: Change type of dev_pm_opp_attach

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Date:   Fri, 27 Aug 2021 04:34:10 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Kevin Hilman <khilman@...nel.org>,
        Viresh Kumar <vireshk@...nel.org>,
        Stephen Boyd <sboyd@...nel.org>, Nishanth Menon <nm@...com>
Cc:     linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-pm@...r.kernel.org
Subject: [PATCH v9 3/8] opp: Change type of dev_pm_opp_attach_genpd(names) argument

Elements of the 'names' array are not changed by the code, constify them
for consistency.

Signed-off-by: Dmitry Osipenko <digetx@...il.com>
---
 drivers/opp/core.c     | 6 +++---
 include/linux/pm_opp.h | 8 ++++----
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index e26da1d4d6be..8d947e4f8c68 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -2349,12 +2349,12 @@ static void _opp_detach_genpd(struct opp_table *opp_table)
  * "required-opps" are added in DT.
  */
 struct opp_table *dev_pm_opp_attach_genpd(struct device *dev,
-		const char **names, struct device ***virt_devs)
+		const char * const *names, struct device ***virt_devs)
 {
 	struct opp_table *opp_table;
 	struct device *virt_dev;
 	int index = 0, ret = -EINVAL;
-	const char **name = names;
+	const char * const *name = names;
 
 	opp_table = _add_opp_table(dev, false);
 	if (IS_ERR(opp_table))
@@ -2458,7 +2458,7 @@ static void devm_pm_opp_detach_genpd(void *data)
  *
  * Return: 0 on success and errorno otherwise.
  */
-int devm_pm_opp_attach_genpd(struct device *dev, const char **names,
+int devm_pm_opp_attach_genpd(struct device *dev, const char * const *names,
 			     struct device ***virt_devs)
 {
 	struct opp_table *opp_table;
diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h
index 57e75144dd88..b77f2b41c30b 100644
--- a/include/linux/pm_opp.h
+++ b/include/linux/pm_opp.h
@@ -156,9 +156,9 @@ int devm_pm_opp_set_clkname(struct device *dev, const char *name);
 struct opp_table *dev_pm_opp_register_set_opp_helper(struct device *dev, int (*set_opp)(struct dev_pm_set_opp_data *data));
 void dev_pm_opp_unregister_set_opp_helper(struct opp_table *opp_table);
 int devm_pm_opp_register_set_opp_helper(struct device *dev, int (*set_opp)(struct dev_pm_set_opp_data *data));
-struct opp_table *dev_pm_opp_attach_genpd(struct device *dev, const char **names, struct device ***virt_devs);
+struct opp_table *dev_pm_opp_attach_genpd(struct device *dev, const char * const *names, struct device ***virt_devs);
 void dev_pm_opp_detach_genpd(struct opp_table *opp_table);
-int devm_pm_opp_attach_genpd(struct device *dev, const char **names, struct device ***virt_devs);
+int devm_pm_opp_attach_genpd(struct device *dev, const char * const *names, struct device ***virt_devs);
 struct dev_pm_opp *dev_pm_opp_xlate_required_opp(struct opp_table *src_table, struct opp_table *dst_table, struct dev_pm_opp *src_opp);
 int dev_pm_opp_xlate_performance_state(struct opp_table *src_table, struct opp_table *dst_table, unsigned int pstate);
 int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq);
@@ -377,7 +377,7 @@ static inline int devm_pm_opp_set_clkname(struct device *dev, const char *name)
 	return -EOPNOTSUPP;
 }
 
-static inline struct opp_table *dev_pm_opp_attach_genpd(struct device *dev, const char **names, struct device ***virt_devs)
+static inline struct opp_table *dev_pm_opp_attach_genpd(struct device *dev, const char * const *names, struct device ***virt_devs)
 {
 	return ERR_PTR(-EOPNOTSUPP);
 }
@@ -385,7 +385,7 @@ static inline struct opp_table *dev_pm_opp_attach_genpd(struct device *dev, cons
 static inline void dev_pm_opp_detach_genpd(struct opp_table *opp_table) {}
 
 static inline int devm_pm_opp_attach_genpd(struct device *dev,
-					   const char **names,
+					   const char * const *names,
 					   struct device ***virt_devs)
 {
 	return -EOPNOTSUPP;
-- 
2.32.0