PM / domains: Remove the pm_genpd_add|remove_callbacks APIs

There are no users of these APIs. To simplify the generic power domain
let's remove them.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

1 files changed, 0 insertions, 106 deletions

diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index eee55c1e5fde..e613e3cb96d8 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -1744,112 +1744,6 @@ int pm_genpd_remove_subdomain(struct generic_pm_domain *genpd,
 }
 
 /**
- * pm_genpd_add_callbacks - Add PM domain callbacks to a given device.
- * @dev: Device to add the callbacks to.
- * @ops: Set of callbacks to add.
- * @td: Timing data to add to the device along with the callbacks (optional).
- *
- * Every call to this routine should be balanced with a call to
- * __pm_genpd_remove_callbacks() and they must not be nested.
- */
-int pm_genpd_add_callbacks(struct device *dev, struct gpd_dev_ops *ops,
-                           struct gpd_timing_data *td)
-{
-        struct generic_pm_domain_data *gpd_data_new, *gpd_data = NULL;
-        int ret = 0;
-
-        if (!(dev && ops))
-                return -EINVAL;
-
-        gpd_data_new = __pm_genpd_alloc_dev_data(dev);
-        if (!gpd_data_new)
-                return -ENOMEM;
-
-        pm_runtime_disable(dev);
-        device_pm_lock();
-
-        ret = dev_pm_get_subsys_data(dev);
-        if (ret)
-                goto out;
-
-        spin_lock_irq(&dev->power.lock);
-
-        if (dev->power.subsys_data->domain_data) {
-                gpd_data = to_gpd_data(dev->power.subsys_data->domain_data);
-        } else {
-                gpd_data = gpd_data_new;
-                dev->power.subsys_data->domain_data = &gpd_data->base;
-        }
-        gpd_data->refcount++;
-        gpd_data->ops = *ops;
-        if (td)
-                gpd_data->td = *td;
-
-        spin_unlock_irq(&dev->power.lock);
-
- out:
-        device_pm_unlock();
-        pm_runtime_enable(dev);
-
-        if (gpd_data != gpd_data_new)
-                __pm_genpd_free_dev_data(dev, gpd_data_new);
-
-        return ret;
-}
-EXPORT_SYMBOL_GPL(pm_genpd_add_callbacks);
-
-/**
- * __pm_genpd_remove_callbacks - Remove PM domain callbacks from a given device.
- * @dev: Device to remove the callbacks from.
- * @clear_td: If set, clear the device's timing data too.
- *
- * This routine can only be called after pm_genpd_add_callbacks().
- */
-int __pm_genpd_remove_callbacks(struct device *dev, bool clear_td)
-{
-        struct generic_pm_domain_data *gpd_data = NULL;
-        bool remove = false;
-        int ret = 0;
-
-        if (!(dev && dev->power.subsys_data))
-                return -EINVAL;
-
-        pm_runtime_disable(dev);
-        device_pm_lock();
-
-        spin_lock_irq(&dev->power.lock);
-
-        if (dev->power.subsys_data->domain_data) {
-                gpd_data = to_gpd_data(dev->power.subsys_data->domain_data);
-                gpd_data->ops = (struct gpd_dev_ops){ NULL };
-                if (clear_td)
-                        gpd_data->td = (struct gpd_timing_data){ 0 };
-
-                if (--gpd_data->refcount == 0) {
-                        dev->power.subsys_data->domain_data = NULL;
-                        remove = true;
-                }
-        } else {
-                ret = -EINVAL;
-        }
-
-        spin_unlock_irq(&dev->power.lock);
-
-        device_pm_unlock();
-        pm_runtime_enable(dev);
-
-        if (ret)
-                return ret;
-
-        dev_pm_put_subsys_data(dev);
-        if (remove)
-                __pm_genpd_free_dev_data(dev, gpd_data);
-
-        return 0;
-}
-EXPORT_SYMBOL_GPL(__pm_genpd_remove_callbacks);
-
-/**
  * pm_genpd_attach_cpuidle - Connect the given PM domain with cpuidle.
  * @genpd: PM domain to be connected with cpuidle.
  * @state: cpuidle state this domain can disable/enable.