On 10/20, Viresh Kumar wrote:

The generic opp_set_rate() handler isn't sufficient for platforms with
complex DVFS.  For example, some TI platforms have multiple regulators
for a CPU device. The order in which various supplies need to be
programmed is only known to the platform code and its best to leave it
to it.

This patch implements APIs to register platform specific opp_set_rate()
callback.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
---

Overall it looks ok, but I'd prefer set_opp instead of set_rate.

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