Re: [RFC] MMC: Proposals on reworking clock and power management

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On Thu, Oct 28, 2010 at 5:39 PM, Kishore Kadiyala
<kishorek.kadiyala@xxxxxxxxx> wrote:
> Wouldn't adapting the host driver just to PM-Runtime will answer the
> above issues?

It's not enough.

When the card is runtime suspended, sure, the host controller will
immediately get idle notification by runtime PM core.

But you may still want to gate the clock to the host controller on bus
inactivity, even if the card is not runtime suspended. The decision to
do this should come from the mmc core.
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