NULL check on clocks obtained using common clock APIs should not
be done. Use IS_ERR only.
Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: NSylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>