Split off part of devfreq_get_devfreq_by_phandle into a separate
function. This allows callers to fetch devfreq instances by enumerating
devicetree instead of explicit phandles.
Acked-by: NKrzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: NLukasz Luba <lukasz.luba@arm.com>
Signed-off-by: NLeonard Crestez <leonard.crestez@nxp.com>
[cw00.choi: Export devfreq_get_devfreq_by_node function and
 add function to devfreq.h when CONFIG_PM_DEVFREQ is enabled.]
Signed-off-by: NChanwoo Choi <cw00.choi@samsung.com>