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SubjectRe: [PATCH] call drv->shutdown at rmmod

> There is a problem of semantics here. Is shutdown() supposed to shutdown
> the hardware device (ie. low power) or just the driver ? If yes, then
> it's duplicate of the PM callbacks. My understanding of the shutdown()
> callback is that it was more than "stop driver activity, put device into
> idle state" to prepare for a shutdown/reboot (though we do also sleep
> IDE drives in this case, but this is because of that nasty cache flush
> issue).

You have it right - ->shutdown() is only supposed to queisce the device.


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