Re: Calling suspend() in halt/restart/shutdown -> not a good idea

Pavel Machek <[email protected]> writes:

> Hi!
>
>> Why are we calling driver suspend routines in these ? This is _not_
>
> Well, reason is that if you remove device_suspend() you'll get
> emergency hard disk park during powerdown. As harddrives can survive
> only limited number of emergency stops, that is not a good idea.

Then the practical question is: do we suspend the disk by
calling device_suspend() for every device.  Or do we modify
the ->shutdown() method for the disk.

Eric
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Follow-Ups:
- Re: Calling suspend() in halt/restart/shutdown -> not a good idea
  - From: Benjamin Herrenschmidt <[email protected]>
- Re: Calling suspend() in halt/restart/shutdown -> not a good idea
  - From: Pavel Machek <[email protected]>

References:
- Calling suspend() in halt/restart/shutdown -> not a good idea
  - From: Benjamin Herrenschmidt <[email protected]>
- Re: Calling suspend() in halt/restart/shutdown -> not a good idea
  - From: Pavel Machek <[email protected]>

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