mfd: max77686: Return correct error when pdata isn't found

When platform data is not found an -EIO (I/O error) code is returned.
This doesn't seem to be the correct error so better return -EINVAL
(Invalid argument) which is what most drivers do in this case.

Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

diff --git a/drivers/mfd/max77686.c b/drivers/mfd/max77686.c
index 12d4c17ae1c0bfb97f9647651da7673e5f839c54..ada4976d9876d0bc17cc4e196f8ffc5ee7be2892 100644 (file)
--- a/drivers/mfd/max77686.c
+++ b/drivers/mfd/max77686.c
@@ -129,7 +129,7 @@ static int max77686_i2c_probe(struct i2c_client *i2c,
 
        if (!pdata) {
                dev_err(&i2c->dev, "No platform data found.\n");
-               return -EIO;
+               return -EINVAL;
        }
 
        max77686 = devm_kzalloc(&i2c->dev,