Re: [PATCH] libata: skip EH autopsy and recovery during suspend

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On Thursday, September 02, 2010, Tejun Heo wrote:
> For some mysterious reason, certain hardware reacts badly to usual EH
> actions while the system is going for suspend.  As the devices won't
> be needed until the system is resumed, ask EH to skip usual autopsy
> and recovery and proceed directly to suspend.

Putting the issue at hand aside, I'm not really sure if using SCSI EH for
suspending the controller is a good idea.  It seems overly complicated and
it doesn't match the new PCI suspend model with separate ->suspend(),
->freeze() and ->poweroff() callbacks.  Moreover, the passing of pm_message_t
back and forth doesn't make things clear either.

Would it be possible to rework this thing entirely at one point?

Rafael
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