Improve a little bit code readability and use dev_info/err for printing
messages.
Signed-off-by: NKrzysztof Kozlowski <k.kozlowski.k@gmail.com>
Acked-by: NVladimir Zapolskiy <vz@mleia.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>