diff options
| author | Viresh Kumar <viresh.kumar@linaro.org> | 2017-01-02 14:41:03 +0530 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2017-01-27 11:49:09 +0100 |
| commit | dc2c9ad52af45ebecf9743aacb1916ebb2f1e848 (patch) | |
| tree | 41001b1691bdad8d1b52a63561ffa9659d5412bd /drivers/devfreq | |
| parent | 3aa26a3b2ea63c4d09420e74421370655aa1cf8f (diff) | |
| download | linux-dc2c9ad52af45ebecf9743aacb1916ebb2f1e848.tar.bz2 | |
PM / OPP: Don't expose srcu_head to register notifiers
Let the OPP core provide helpers to register notifiers for any device,
instead of exposing srcu_head outside of the core.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/devfreq')
| -rw-r--r-- | drivers/devfreq/devfreq.c | 26 |
1 files changed, 2 insertions, 24 deletions
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c index 47206a21bb90..a545c0fee6e1 100644 --- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -1265,18 +1265,7 @@ EXPORT_SYMBOL(devfreq_recommended_opp); */ int devfreq_register_opp_notifier(struct device *dev, struct devfreq *devfreq) { - struct srcu_notifier_head *nh; - int ret = 0; - - rcu_read_lock(); - nh = dev_pm_opp_get_notifier(dev); - if (IS_ERR(nh)) - ret = PTR_ERR(nh); - rcu_read_unlock(); - if (!ret) - ret = srcu_notifier_chain_register(nh, &devfreq->nb); - - return ret; + return dev_pm_opp_register_notifier(dev, &devfreq->nb); } EXPORT_SYMBOL(devfreq_register_opp_notifier); @@ -1292,18 +1281,7 @@ EXPORT_SYMBOL(devfreq_register_opp_notifier); */ int devfreq_unregister_opp_notifier(struct device *dev, struct devfreq *devfreq) { - struct srcu_notifier_head *nh; - int ret = 0; - - rcu_read_lock(); - nh = dev_pm_opp_get_notifier(dev); - if (IS_ERR(nh)) - ret = PTR_ERR(nh); - rcu_read_unlock(); - if (!ret) - ret = srcu_notifier_chain_unregister(nh, &devfreq->nb); - - return ret; + return dev_pm_opp_unregister_notifier(dev, &devfreq->nb); } EXPORT_SYMBOL(devfreq_unregister_opp_notifier); |