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Message-Id: <0929adcdec2aad013235f36c8c5c2910b6f64a66.1656660185.git.viresh.kumar@linaro.org>
Date: Fri, 1 Jul 2022 13:50:20 +0530
From: Viresh Kumar <viresh.kumar@...aro.org>
To: Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>,
Stephen Boyd <sboyd@...nel.org>,
"Rafael J. Wysocki" <rafael@...nel.org>
Cc: Viresh Kumar <viresh.kumar@...aro.org>, linux-pm@...r.kernel.org,
Vincent Guittot <vincent.guittot@...aro.org>,
Dmitry Osipenko <dmitry.osipenko@...labora.com>,
linux-kernel@...r.kernel.org
Subject: [PATCH V2 25/30] OPP: Remove dev_pm_opp_set_regulators() and friends
Now that everyone has migrated to dev_pm_opp_set_config(), remove the
public interface for dev_pm_opp_set_regulators() and friends.
Tested-by: Dmitry Osipenko <dmitry.osipenko@...labora.com>
Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
---
drivers/opp/core.c | 93 +++++++++---------------------------------
include/linux/pm_opp.h | 17 --------
2 files changed, 19 insertions(+), 91 deletions(-)
diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index c77ea05ee2cd..fc3cd87ee7df 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -991,8 +991,8 @@ static int _set_opp_custom(const struct opp_table *opp_table,
int size;
/*
- * We support this only if dev_pm_opp_set_regulators() was called
- * earlier.
+ * We support this only if dev_pm_opp_set_config() was called
+ * earlier to set regulators.
*/
if (opp_table->sod_supplies) {
size = sizeof(*old_opp->supplies) * opp_table->regulator_count;
@@ -2097,7 +2097,7 @@ void dev_pm_opp_put_prop_name(struct opp_table *opp_table)
EXPORT_SYMBOL_GPL(dev_pm_opp_put_prop_name);
/**
- * dev_pm_opp_set_regulators() - Set regulator names for the device
+ * _opp_set_regulators() - Set regulator names for the device
* @dev: Device for which regulator name is being set.
* @names: Array of pointers to the names of the regulator.
* @count: Number of regulators.
@@ -2108,36 +2108,22 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_put_prop_name);
*
* This must be called before any OPPs are initialized for the device.
*/
-struct opp_table *dev_pm_opp_set_regulators(struct device *dev,
- const char * const names[],
- unsigned int count)
+static int _opp_set_regulators(struct opp_table *opp_table, struct device *dev,
+ const char * const names[], unsigned int count)
{
struct dev_pm_opp_supply *supplies;
- struct opp_table *opp_table;
struct regulator *reg;
int ret, i;
- opp_table = _add_opp_table(dev, false);
- if (IS_ERR(opp_table))
- return opp_table;
-
- /* This should be called before OPPs are initialized */
- if (WARN_ON(!list_empty(&opp_table->opp_list))) {
- ret = -EBUSY;
- goto err;
- }
-
/* Another CPU that shares the OPP table has set the regulators ? */
if (opp_table->regulators)
- return opp_table;
+ return 0;
opp_table->regulators = kmalloc_array(count,
sizeof(*opp_table->regulators),
GFP_KERNEL);
- if (!opp_table->regulators) {
- ret = -ENOMEM;
- goto err;
- }
+ if (!opp_table->regulators)
+ return -ENOMEM;
for (i = 0; i < count; i++) {
reg = regulator_get_optional(dev, names[i]);
@@ -2167,7 +2153,7 @@ struct opp_table *dev_pm_opp_set_regulators(struct device *dev,
}
mutex_unlock(&opp_table->lock);
- return opp_table;
+ return 0;
free_regulators:
while (i != 0)
@@ -2176,26 +2162,20 @@ struct opp_table *dev_pm_opp_set_regulators(struct device *dev,
kfree(opp_table->regulators);
opp_table->regulators = NULL;
opp_table->regulator_count = -1;
-err:
- dev_pm_opp_put_opp_table(opp_table);
- return ERR_PTR(ret);
+ return ret;
}
-EXPORT_SYMBOL_GPL(dev_pm_opp_set_regulators);
/**
- * dev_pm_opp_put_regulators() - Releases resources blocked for regulator
- * @opp_table: OPP table returned from dev_pm_opp_set_regulators().
+ * _opp_put_regulators() - Releases resources blocked for regulator
+ * @opp_table: OPP table returned from _opp_set_regulators().
*/
-void dev_pm_opp_put_regulators(struct opp_table *opp_table)
+static void _opp_put_regulators(struct opp_table *opp_table)
{
int i;
- if (unlikely(!opp_table))
- return;
-
if (!opp_table->regulators)
- goto put_opp_table;
+ return;
if (opp_table->enabled) {
for (i = opp_table->regulator_count - 1; i >= 0; i--)
@@ -2218,41 +2198,7 @@ void dev_pm_opp_put_regulators(struct opp_table *opp_table)
kfree(opp_table->regulators);
opp_table->regulators = NULL;
opp_table->regulator_count = -1;
-
-put_opp_table:
- dev_pm_opp_put_opp_table(opp_table);
-}
-EXPORT_SYMBOL_GPL(dev_pm_opp_put_regulators);
-
-static void devm_pm_opp_regulators_release(void *data)
-{
- dev_pm_opp_put_regulators(data);
-}
-
-/**
- * devm_pm_opp_set_regulators() - Set regulator names for the device
- * @dev: Device for which regulator name is being set.
- * @names: Array of pointers to the names of the regulator.
- * @count: Number of regulators.
- *
- * This is a resource-managed variant of dev_pm_opp_set_regulators().
- *
- * Return: 0 on success and errorno otherwise.
- */
-int devm_pm_opp_set_regulators(struct device *dev,
- const char * const names[],
- unsigned int count)
-{
- struct opp_table *opp_table;
-
- opp_table = dev_pm_opp_set_regulators(dev, names, count);
- if (IS_ERR(opp_table))
- return PTR_ERR(opp_table);
-
- return devm_add_action_or_reset(dev, devm_pm_opp_regulators_release,
- opp_table);
}
-EXPORT_SYMBOL_GPL(devm_pm_opp_set_regulators);
/**
* dev_pm_opp_set_clkname() - Set clk name for the device
@@ -2627,7 +2573,7 @@ static void _opp_clear_config(struct opp_config_data *data)
if (data->flags & OPP_CONFIG_GENPD)
dev_pm_opp_detach_genpd(data->opp_table);
if (data->flags & OPP_CONFIG_REGULATOR)
- dev_pm_opp_put_regulators(data->opp_table);
+ _opp_put_regulators(data->opp_table);
if (data->flags & OPP_CONFIG_SUPPORTED_HW)
dev_pm_opp_put_supported_hw(data->opp_table);
if (data->flags & OPP_CONFIG_REGULATOR_HELPER)
@@ -2737,12 +2683,11 @@ int dev_pm_opp_set_config(struct device *dev, struct dev_pm_opp_config *config)
/* Configure supplies */
if (config->regulator_names) {
- err = dev_pm_opp_set_regulators(dev, config->regulator_names,
- config->regulator_count);
- if (IS_ERR(err)) {
- ret = PTR_ERR(err);
+ ret = _opp_set_regulators(opp_table, dev,
+ config->regulator_names,
+ config->regulator_count);
+ if (ret)
goto err;
- }
data->flags |= OPP_CONFIG_REGULATOR;
}
diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h
index 467bed35130e..0dc45d4403ce 100644
--- a/include/linux/pm_opp.h
+++ b/include/linux/pm_opp.h
@@ -192,9 +192,6 @@ void dev_pm_opp_put_supported_hw(struct opp_table *opp_table);
int devm_pm_opp_set_supported_hw(struct device *dev, const u32 *versions, unsigned int count);
struct opp_table *dev_pm_opp_set_prop_name(struct device *dev, const char *name);
void dev_pm_opp_put_prop_name(struct opp_table *opp_table);
-struct opp_table *dev_pm_opp_set_regulators(struct device *dev, const char * const names[], unsigned int count);
-void dev_pm_opp_put_regulators(struct opp_table *opp_table);
-int devm_pm_opp_set_regulators(struct device *dev, const char * const names[], unsigned int count);
struct opp_table *dev_pm_opp_set_clkname(struct device *dev, const char *name);
void dev_pm_opp_put_clkname(struct opp_table *opp_table);
int devm_pm_opp_set_clkname(struct device *dev, const char *name);
@@ -412,20 +409,6 @@ static inline struct opp_table *dev_pm_opp_set_prop_name(struct device *dev, con
static inline void dev_pm_opp_put_prop_name(struct opp_table *opp_table) {}
-static inline struct opp_table *dev_pm_opp_set_regulators(struct device *dev, const char * const names[], unsigned int count)
-{
- return ERR_PTR(-EOPNOTSUPP);
-}
-
-static inline void dev_pm_opp_put_regulators(struct opp_table *opp_table) {}
-
-static inline int devm_pm_opp_set_regulators(struct device *dev,
- const char * const names[],
- unsigned int count)
-{
- return -EOPNOTSUPP;
-}
-
static inline struct opp_table *dev_pm_opp_set_clkname(struct device *dev, const char *name)
{
return ERR_PTR(-EOPNOTSUPP);
--
2.31.1.272.g89b43f80a514
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