i3c: master: Enable runtime PM for master controller

[thirdparty/kernel/stable.git] / drivers / i3c / master.c

diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c
index f32c591ae325cf555625c8b2d1a42678cee42ee0..3b4d6a8edca36d58f9201892e8beaa9cc6280f72 100644 (file)
--- a/drivers/i3c/master.c
+++ b/drivers/i3c/master.c
@@ -13,6 +13,7 @@
 #include <linux/kernel.h>
 #include <linux/list.h>
 #include <linux/of.h>
+#include <linux/pm_runtime.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <linux/workqueue.h>
@@ -2812,6 +2813,10 @@ int i3c_master_register(struct i3c_master_controller *master,
 
        i3c_bus_notify(i3cbus, I3C_NOTIFY_BUS_ADD);
 
+       pm_runtime_no_callbacks(&master->dev);
+       pm_suspend_ignore_children(&master->dev, true);
+       pm_runtime_enable(&master->dev);
+
        /*
         * We're done initializing the bus and the controller, we can now
         * register I3C devices discovered during the initial DAA.
@@ -2849,6 +2854,7 @@ void i3c_master_unregister(struct i3c_master_controller *master)
        i3c_master_i2c_adapter_cleanup(master);
        i3c_master_unregister_i3c_devs(master);
        i3c_master_bus_cleanup(master);
+       pm_runtime_disable(&master->dev);
        device_unregister(&master->dev);
 }
 EXPORT_SYMBOL_GPL(i3c_master_unregister);