Re: [PATCH 2/3] scsi: add hooks for host runtime power management

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On Thu, 3 Nov 2011, Tejun Heo wrote:

> Hello,
> 
> On Thu, Nov 3, 2011 at 7:37 AM, Lin Ming <ming.m.lin@xxxxxxxxx> wrote:
> >> Yes, it is a problem. �But it looks like the underlying issue is that
> >> you're using the SCSI error handler to do something it was not intended
> >> for. �Can't you suspend and resume the ATA port without using the error
> >> handler?
> >
> > The system suspend and resume of the ATA port uses the error handler.
> > I think the runtime suspend and resume should use the error handler too.
> >
> > Tejun,
> >
> > Could you comment more on this?
> 
> I don't know. I haven't really thought about it but as it's currently
> designed, I don't think it'll be possible to avoid going through EH to
> put ATA ports into suspend mode.

Why not?

Alan Stern

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