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Message-Id: <c8dc74650009e96ef5f8741b77e3e49e50ba458c.1653564321.git.viresh.kumar@linaro.org>
Date: Thu, 26 May 2022 17:12:25 +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>,
Rafael Wysocki <rjw@...ysocki.net>,
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
linux-kernel@...r.kernel.org
Subject: [PATCH 26/31] OPP: Remove dev_pm_opp_set_supported_hw() and friends
Now that everyone has migrated to dev_pm_opp_set_config(), remove the
public interface for dev_pm_opp_set_supported_hw() and friends.
Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
---
drivers/opp/core.c | 88 +++++++++++-------------------------------
include/linux/pm_opp.h | 19 ---------
2 files changed, 22 insertions(+), 85 deletions(-)
diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index 9297b5e944f7..07cb8ff33a6d 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -1948,7 +1948,7 @@ int _opp_add_v1(struct opp_table *opp_table, struct device *dev,
}
/**
- * dev_pm_opp_set_supported_hw() - Set supported platforms
+ * _opp_set_supported_hw() - Set supported platforms
* @dev: Device for which supported-hw has to be set.
* @versions: Array of hierarchy of versions to match.
* @count: Number of elements in the array.
@@ -1958,84 +1958,39 @@ int _opp_add_v1(struct opp_table *opp_table, struct device *dev,
* OPPs, which are available for those versions, based on its 'opp-supported-hw'
* property.
*/
-struct opp_table *dev_pm_opp_set_supported_hw(struct device *dev,
- const u32 *versions, unsigned int count)
+static int _opp_set_supported_hw(struct opp_table *opp_table,
+ const u32 *versions, unsigned int count)
{
- struct opp_table *opp_table;
-
- opp_table = _add_opp_table(dev, false);
- if (IS_ERR(opp_table))
- return opp_table;
-
- /* Make sure there are no concurrent readers while updating opp_table */
- WARN_ON(!list_empty(&opp_table->opp_list));
-
/* Another CPU that shares the OPP table has set the property ? */
if (opp_table->supported_hw)
- return opp_table;
+ return 0;
opp_table->supported_hw = kmemdup(versions, count * sizeof(*versions),
GFP_KERNEL);
- if (!opp_table->supported_hw) {
- dev_pm_opp_put_opp_table(opp_table);
- return ERR_PTR(-ENOMEM);
- }
+ if (!opp_table->supported_hw)
+ return -ENOMEM;
opp_table->supported_hw_count = count;
- return opp_table;
+ return 0;
}
-EXPORT_SYMBOL_GPL(dev_pm_opp_set_supported_hw);
/**
- * dev_pm_opp_put_supported_hw() - Releases resources blocked for supported hw
- * @opp_table: OPP table returned by dev_pm_opp_set_supported_hw().
+ * _opp_put_supported_hw() - Releases resources blocked for supported hw
+ * @opp_table: OPP table returned by _opp_set_supported_hw().
*
* This is required only for the V2 bindings, and is called for a matching
- * dev_pm_opp_set_supported_hw(). Until this is called, the opp_table structure
+ * _opp_set_supported_hw(). Until this is called, the opp_table structure
* will not be freed.
*/
-void dev_pm_opp_put_supported_hw(struct opp_table *opp_table)
-{
- if (unlikely(!opp_table))
- return;
-
- kfree(opp_table->supported_hw);
- opp_table->supported_hw = NULL;
- opp_table->supported_hw_count = 0;
-
- dev_pm_opp_put_opp_table(opp_table);
-}
-EXPORT_SYMBOL_GPL(dev_pm_opp_put_supported_hw);
-
-static void devm_pm_opp_supported_hw_release(void *data)
-{
- dev_pm_opp_put_supported_hw(data);
-}
-
-/**
- * devm_pm_opp_set_supported_hw() - Set supported platforms
- * @dev: Device for which supported-hw has to be set.
- * @versions: Array of hierarchy of versions to match.
- * @count: Number of elements in the array.
- *
- * This is a resource-managed variant of dev_pm_opp_set_supported_hw().
- *
- * Return: 0 on success and errorno otherwise.
- */
-int devm_pm_opp_set_supported_hw(struct device *dev, const u32 *versions,
- unsigned int count)
+static void _opp_put_supported_hw(struct opp_table *opp_table)
{
- struct opp_table *opp_table;
-
- opp_table = dev_pm_opp_set_supported_hw(dev, versions, count);
- if (IS_ERR(opp_table))
- return PTR_ERR(opp_table);
-
- return devm_add_action_or_reset(dev, devm_pm_opp_supported_hw_release,
- opp_table);
+ if (opp_table->supported_hw) {
+ kfree(opp_table->supported_hw);
+ opp_table->supported_hw = NULL;
+ opp_table->supported_hw_count = 0;
+ }
}
-EXPORT_SYMBOL_GPL(devm_pm_opp_set_supported_hw);
/**
* dev_pm_opp_set_prop_name() - Set prop-extn name
@@ -2615,10 +2570,12 @@ struct opp_table *dev_pm_opp_set_config(struct device *dev,
// Configure supported hardware
if (config->supported_hw) {
- ret = dev_pm_opp_set_supported_hw(dev, config->supported_hw,
- config->supported_hw_count);
- if (IS_ERR(ret))
+ err = _opp_set_supported_hw(opp_table, config->supported_hw,
+ config->supported_hw_count);
+ if (err) {
+ ret = ERR_PTR(err);
goto err;
+ }
}
// Configure supplies
@@ -2668,8 +2625,7 @@ void dev_pm_opp_clear_config(struct opp_table *opp_table)
_opp_put_regulators(opp_table);
- if (opp_table->supported_hw)
- dev_pm_opp_put_supported_hw(opp_table);
+ _opp_put_supported_hw(opp_table);
if (opp_table->set_opp)
dev_pm_opp_unregister_set_opp_helper(opp_table);
diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h
index 11896ebe1fb1..b80982e5a067 100644
--- a/include/linux/pm_opp.h
+++ b/include/linux/pm_opp.h
@@ -184,9 +184,6 @@ struct opp_table *dev_pm_opp_set_config(struct device *dev, struct dev_pm_opp_co
int devm_pm_opp_set_config(struct device *dev, struct dev_pm_opp_config *config);
void dev_pm_opp_clear_config(struct opp_table *opp_table);
-struct opp_table *dev_pm_opp_set_supported_hw(struct device *dev, const u32 *versions, unsigned int count);
-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_clkname(struct device *dev, const char *name);
@@ -369,22 +366,6 @@ static inline int dev_pm_opp_unregister_notifier(struct device *dev, struct noti
return -EOPNOTSUPP;
}
-static inline struct opp_table *dev_pm_opp_set_supported_hw(struct device *dev,
- const u32 *versions,
- unsigned int count)
-{
- return ERR_PTR(-EOPNOTSUPP);
-}
-
-static inline void dev_pm_opp_put_supported_hw(struct opp_table *opp_table) {}
-
-static inline int devm_pm_opp_set_supported_hw(struct device *dev,
- const u32 *versions,
- unsigned int count)
-{
- return -EOPNOTSUPP;
-}
-
static inline struct opp_table *dev_pm_opp_register_set_opp_helper(struct device *dev,
int (*set_opp)(struct dev_pm_set_opp_data *data))
{
--
2.31.1.272.g89b43f80a514
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