1 files changed, 24 insertions, 30 deletions

diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 6649176de940..bea4c5021d26 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -32,7 +32,6 @@
 #include <linux/init.h>
 #include <linux/idr.h>
 #include <linux/mutex.h>
-#include <linux/of_i2c.h>
 #include <linux/of_device.h>
 #include <linux/completion.h>
 #include <linux/hardirq.h>
@@ -197,11 +196,12 @@ static int i2c_device_pm_suspend(struct device *dev)
 {
         const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
 
-        if (pm_runtime_suspended(dev))
-                return 0;
-
-        if (pm)
-                return pm->suspend ? pm->suspend(dev) : 0;
+        if (pm) {
+                if (pm_runtime_suspended(dev))
+                        return 0;
+                else
+                        return pm->suspend ? pm->suspend(dev) : 0;
+        }
 
         return i2c_legacy_suspend(dev, PMSG_SUSPEND);
 }
@@ -216,12 +216,6 @@ static int i2c_device_pm_resume(struct device *dev)
         else
                 ret = i2c_legacy_resume(dev);
 
-        if (!ret) {
-                pm_runtime_disable(dev);
-                pm_runtime_set_active(dev);
-                pm_runtime_enable(dev);
-        }
-
         return ret;
 }
 
@@ -229,11 +223,12 @@ static int i2c_device_pm_freeze(struct device *dev)
 {
         const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
 
-        if (pm_runtime_suspended(dev))
-                return 0;
-
-        if (pm)
-                return pm->freeze ? pm->freeze(dev) : 0;
+        if (pm) {
+                if (pm_runtime_suspended(dev))
+                        return 0;
+                else
+                        return pm->freeze ? pm->freeze(dev) : 0;
+        }
 
         return i2c_legacy_suspend(dev, PMSG_FREEZE);
 }
@@ -242,11 +237,12 @@ static int i2c_device_pm_thaw(struct device *dev)
 {
         const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
 
-        if (pm_runtime_suspended(dev))
-                return 0;
-
-        if (pm)
-                return pm->thaw ? pm->thaw(dev) : 0;
+        if (pm) {
+                if (pm_runtime_suspended(dev))
+                        return 0;
+                else
+                        return pm->thaw ? pm->thaw(dev) : 0;
+        }
 
         return i2c_legacy_resume(dev);
 }
@@ -255,11 +251,12 @@ static int i2c_device_pm_poweroff(struct device *dev)
 {
         const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
 
-        if (pm_runtime_suspended(dev))
-                return 0;
-
-        if (pm)
-                return pm->poweroff ? pm->poweroff(dev) : 0;
+        if (pm) {
+                if (pm_runtime_suspended(dev))
+                        return 0;
+                else
+                        return pm->poweroff ? pm->poweroff(dev) : 0;
+        }
 
         return i2c_legacy_suspend(dev, PMSG_HIBERNATE);
 }
@@ -876,9 +873,6 @@ static int i2c_register_adapter(struct i2c_adapter *adap)
         if (adap->nr < __i2c_first_dynamic_bus_num)
                 i2c_scan_static_board_info(adap);
 
-        /* Register devices from the device tree */
-        of_i2c_register_devices(adap);
-
         /* Notify drivers */
         mutex_lock(&core_lock);
         bus_for_each_drv(&i2c_bus_type, NULL, adap, __process_new_adapter);