PM / QoS: Export dev_pm_qos_update_user_latency_tolerance

nvme wants a module parameter that overrides the default latency
tolerance.  This makes it easy for nvme to reflect that default in
sysfs.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/base/power/qos.c b/drivers/base/power/qos.c
index 6a1f2c7e01eacd04bd197065c15361636c7de291..58fcc758334e5bd230a5929a70844d35f4615628 100644 (file)
--- a/drivers/base/power/qos.c
+++ b/drivers/base/power/qos.c
@@ -886,6 +886,7 @@ int dev_pm_qos_update_user_latency_tolerance(struct device *dev, s32 val)
        mutex_unlock(&dev_pm_qos_mtx);
        return ret;
 }
+EXPORT_SYMBOL_GPL(dev_pm_qos_update_user_latency_tolerance);
 
 /**
  * dev_pm_qos_expose_latency_tolerance - Expose latency tolerance to userspace