On Sun, Jan 23, 2011 at 7:20 AM, Nicolas Pitre <[email protected]> wrote: > First case: you want to stop the clock _to_ the _card_ when not talking > to it. That has nothing to do with power saving performed within the > host controller. This is for reducing power consumption by the _card_ > (and possibly by the clock generator). The runtime PM stuff has no > business here as the decision to gate the clock on the card require > MMC/SD protocol knowledge.
But why can't it be implemented using the runtime PM framework ? It's just plumbing; the decision and knowledge stays at the MMC core. It's possible to do it without making any compromises of use cases and requirements. And if something is missing in the runtime PM framework, it can be changed. It just needs someone who cares. -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
