Re: [PATCH 2/4] regulator: core: notify regulator enable with the voltage value

[Mark Brown]

On Mon, Aug 16, 2021 at 11:20:01AM +0800, Jianqun Xu wrote:

> +			ret = _regulator_get_voltage(rdev);
> +			if (ret < 0)
> +				ret = 0;
> +
>  			_notifier_call_chain(rdev, REGULATOR_EVENT_ENABLE,
> -					     NULL);
> +					     &ret);

This is going to be really expensive for devices without a cache and
it's going to be *very* rarely used if ever.

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