The use_count problem of regulator

[Joonyoung Shim]

Hi, all.

I have one simple question.

In the regulator framework, if the regulator is enabled for example by 
boot_on constraint, when regulator_get is called at the driver probe 
function, the use_count of struct regulator_dev is zero. But if 
regulator_has_full_constraints() is used, even though above the 
regulator is using, it is disabled by regulator_init_complete() because
the use_count is zero.

Of course, we can use regulator_get_exclusive instead of regulator_get,
but if the regulator can be shared, i think this will be a problem.

Thanks.
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