Re: [ide-dev 3/5] generic Power Management for IDE devices

From: Alan Cox
Date: Thu Feb 03 2005 - 06:21:18 EST


On Maw, 2005-02-01 at 23:03, Bartlomiej Zolnierkiewicz wrote:
> On Sat, 22 Jan 2005 19:41:24 +0100, Pavel Machek <pavel@xxxxxxx> wrote:
> > Why do you need to have state-machine? During suspend we are running
> > single-threaded, it should be okay to just do the calls directly.
> > Pavel
>
> If we are running single-threaded I also see no reason for state-machine.
> Ben?

There may be outstanding I/O running at the time of the suspend. You
want to keep everything nicely ordered. The state machine suspend code
looks to me the right answer and is cleaner.

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