greybus: i2c-gb: actually add the i2c adapter properly...

diff --git a/drivers/staging/greybus/i2c-gb.c b/drivers/staging/greybus/i2c-gb.c
index a481e06c8b67f50a136adbd5064583aa25ea77a8..7fcbcef641a50d304ea3bdf609ee0ca870b477d4 100644 (file)
--- a/drivers/staging/greybus/i2c-gb.c
+++ b/drivers/staging/greybus/i2c-gb.c
@@ -79,6 +79,7 @@ static int i2c_gb_probe(struct greybus_device *gdev, const struct greybus_device
 {
        struct i2c_gb_data *i2c_gb_data;
        struct i2c_adapter *adapter;
+       int retval;
 
        i2c_gb_data = kzalloc(sizeof(*i2c_gb_data), GFP_KERNEL);
        if (!i2c_gb_data)
@@ -93,12 +94,24 @@ static int i2c_gb_probe(struct greybus_device *gdev, const struct greybus_device
        adapter->owner = THIS_MODULE;
        adapter->class = I2C_CLASS_HWMON | I2C_CLASS_SPD;
        adapter->algo = &smbus_algorithm;
+       adapter->dev.parent = &gdev->dev;
+       adapter->retries = 3;   /* we have to pick something... */
+       snprintf(adapter->name, sizeof(adapter->name), "Greybus i2c adapter");
+       retval = i2c_add_adapter(adapter);
+       if (retval) {
+               dev_err(&gdev->dev, "Can not add SMBus adapter\n");
+               goto error;
+       }
 
        i2c_gb_data->gdev = gdev;
        i2c_gb_data->adapter = adapter;
 
        greybus_set_drvdata(gdev, i2c_gb_data);
        return 0;
+error:
+       kfree(adapter);
+       kfree(i2c_gb_data);
+       return retval;
 }
 
 static void i2c_gb_disconnect(struct greybus_device *gdev)