Messages in this thread Patch in this message | | | From | Viresh Kumar <> | Subject | [PATCH 28/31] OPP: Remove dev_pm_opp_register_set_opp_helper() and friends | Date | Thu, 26 May 2022 17:12:27 +0530 |
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Now that everyone has migrated to dev_pm_opp_set_config(), remove the public interface for dev_pm_opp_register_set_opp_helper() and friends.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> --- drivers/opp/core.c | 89 ++++++++++-------------------------------- include/linux/pm_opp.h | 17 -------- 2 files changed, 21 insertions(+), 85 deletions(-)
diff --git a/drivers/opp/core.c b/drivers/opp/core.c index c2590c0c05a0..412af91d2039 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -2200,7 +2200,7 @@ static void _opp_put_clkname(struct opp_table *opp_table) } /** - * dev_pm_opp_register_set_opp_helper() - Register custom set OPP helper + * _opp_register_set_opp_helper() - Register custom set OPP helper * @dev: Device for which the helper is getting registered. * @set_opp: Custom set OPP helper. * @@ -2209,32 +2209,18 @@ static void _opp_put_clkname(struct opp_table *opp_table) * * This must be called before any OPPs are initialized for the device. */ -struct opp_table *dev_pm_opp_register_set_opp_helper(struct device *dev, - int (*set_opp)(struct dev_pm_set_opp_data *data)) +static int _opp_register_set_opp_helper(struct opp_table *opp_table, + struct device *dev, int (*set_opp)(struct dev_pm_set_opp_data *data)) { struct dev_pm_set_opp_data *data; - struct opp_table *opp_table; - - if (!set_opp) - return ERR_PTR(-EINVAL); - - 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))) { - dev_pm_opp_put_opp_table(opp_table); - return ERR_PTR(-EBUSY); - } /* Another CPU that shares the OPP table has set the helper ? */ if (opp_table->set_opp) - return opp_table; + return 0; data = kzalloc(sizeof(*data), GFP_KERNEL); if (!data) - return ERR_PTR(-ENOMEM); + return -ENOMEM; mutex_lock(&opp_table->lock); opp_table->set_opp_data = data; @@ -2247,60 +2233,26 @@ struct opp_table *dev_pm_opp_register_set_opp_helper(struct device *dev, opp_table->set_opp = set_opp; - return opp_table; + return 0; } -EXPORT_SYMBOL_GPL(dev_pm_opp_register_set_opp_helper); /** - * dev_pm_opp_unregister_set_opp_helper() - Releases resources blocked for - * set_opp helper - * @opp_table: OPP table returned from dev_pm_opp_register_set_opp_helper(). + * _opp_unregister_set_opp_helper() - Releases resources blocked for set_opp helper + * @opp_table: OPP table returned from _opp_register_set_opp_helper(). * * Release resources blocked for platform specific set_opp helper. */ -void dev_pm_opp_unregister_set_opp_helper(struct opp_table *opp_table) -{ - if (unlikely(!opp_table)) - return; - - opp_table->set_opp = NULL; - - mutex_lock(&opp_table->lock); - kfree(opp_table->set_opp_data); - opp_table->set_opp_data = NULL; - mutex_unlock(&opp_table->lock); - - dev_pm_opp_put_opp_table(opp_table); -} -EXPORT_SYMBOL_GPL(dev_pm_opp_unregister_set_opp_helper); - -static void devm_pm_opp_unregister_set_opp_helper(void *data) -{ - dev_pm_opp_unregister_set_opp_helper(data); -} - -/** - * devm_pm_opp_register_set_opp_helper() - Register custom set OPP helper - * @dev: Device for which the helper is getting registered. - * @set_opp: Custom set OPP helper. - * - * This is a resource-managed version of dev_pm_opp_register_set_opp_helper(). - * - * Return: 0 on success and errorno otherwise. - */ -int devm_pm_opp_register_set_opp_helper(struct device *dev, - int (*set_opp)(struct dev_pm_set_opp_data *data)) +static void _opp_unregister_set_opp_helper(struct opp_table *opp_table) { - struct opp_table *opp_table; - - opp_table = dev_pm_opp_register_set_opp_helper(dev, set_opp); - if (IS_ERR(opp_table)) - return PTR_ERR(opp_table); + if (opp_table->set_opp) { + opp_table->set_opp = NULL; - return devm_add_action_or_reset(dev, devm_pm_opp_unregister_set_opp_helper, - opp_table); + mutex_lock(&opp_table->lock); + kfree(opp_table->set_opp_data); + opp_table->set_opp_data = NULL; + mutex_unlock(&opp_table->lock); + } } -EXPORT_SYMBOL_GPL(devm_pm_opp_register_set_opp_helper); static void _opp_detach_genpd(struct opp_table *opp_table) { @@ -2513,9 +2465,11 @@ struct opp_table *dev_pm_opp_set_config(struct device *dev, // Configure opp helper if (config->set_opp) { - ret = dev_pm_opp_register_set_opp_helper(dev, config->set_opp); - if (IS_ERR(ret)) + err = _opp_register_set_opp_helper(opp_table, dev, config->set_opp); + if (err) { + ret = ERR_PTR(err); goto err; + } } // Configure supported hardware @@ -2577,8 +2531,7 @@ void dev_pm_opp_clear_config(struct opp_table *opp_table) _opp_put_supported_hw(opp_table); - if (opp_table->set_opp) - dev_pm_opp_unregister_set_opp_helper(opp_table); + _opp_unregister_set_opp_helper(opp_table); if (opp_table->prop_name) dev_pm_opp_put_prop_name(opp_table); diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h index 7afa8160590d..0ad60c7dca02 100644 --- a/include/linux/pm_opp.h +++ b/include/linux/pm_opp.h @@ -186,9 +186,6 @@ void dev_pm_opp_clear_config(struct opp_table *opp_table); 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_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 * 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 * const *names, struct device ***virt_devs); @@ -363,20 +360,6 @@ static inline int dev_pm_opp_unregister_notifier(struct device *dev, struct noti 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)) -{ - return ERR_PTR(-EOPNOTSUPP); -} - -static inline void dev_pm_opp_unregister_set_opp_helper(struct opp_table *opp_table) {} - -static inline int devm_pm_opp_register_set_opp_helper(struct device *dev, - int (*set_opp)(struct dev_pm_set_opp_data *data)) -{ - return -EOPNOTSUPP; -} - static inline struct opp_table *dev_pm_opp_set_prop_name(struct device *dev, const char *name) { return ERR_PTR(-EOPNOTSUPP); -- 2.31.1.272.g89b43f80a514
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