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Diffstat (limited to 'drivers/of/of_i2c.c')
-rw-r--r--drivers/of/of_i2c.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/of/of_i2c.c b/drivers/of/of_i2c.c
index f37fbeb66a4..1e173f35767 100644
--- a/drivers/of/of_i2c.c
+++ b/drivers/of/of_i2c.c
@@ -90,8 +90,22 @@ struct i2c_client *of_find_i2c_device_by_node(struct device_node *node)
if (!dev)
return NULL;
- return to_i2c_client(dev);
+ return i2c_verify_client(dev);
}
EXPORT_SYMBOL(of_find_i2c_device_by_node);
+/* must call put_device() when done with returned i2c_adapter device */
+struct i2c_adapter *of_find_i2c_adapter_by_node(struct device_node *node)
+{
+ struct device *dev;
+
+ dev = bus_find_device(&i2c_bus_type, NULL, node,
+ of_dev_node_match);
+ if (!dev)
+ return NULL;
+
+ return i2c_verify_adapter(dev);
+}
+EXPORT_SYMBOL(of_find_i2c_adapter_by_node);
+
MODULE_LICENSE("GPL");