Messages in this thread | | | Subject | Re: [ide-dev 3/5] generic Power Management for IDE devices | From | Alan Cox <> | Date | Thu, 03 Feb 2005 10:03:00 +0000 |
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On Maw, 2005-02-01 at 23:03, Bartlomiej Zolnierkiewicz wrote: > On Sat, 22 Jan 2005 19:41:24 +0100, Pavel Machek <pavel@suse.cz> 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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