diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index cc3c143b1c6a..4979728f7fb2 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -1559,6 +1559,7 @@ static int i2c_register_adapter(struct i2c_adapter *adap)
 	dev_dbg(&adap->dev, "adapter [%s] registered\n", adap->name);
 
 	pm_runtime_no_callbacks(&adap->dev);
+	pm_suspend_ignore_children(&adap->dev, true);
 	pm_runtime_enable(&adap->dev);
 
 #ifdef CONFIG_I2C_COMPAT