Re: [PATCH] libata: device suspend/resume

Jens Axboe
2005-05-24T07:09:20Z

On Tue, May 24 2005, Hannes Reinecke wrote:
> Jeff Garzik wrote:
> [ .. ]
> >
> > Longer term, SATA PM through SCSI will have three facets:
> >
> > * Device PM. This is best handled by the device class driver (sd/sr/st).
> >
> > * Bus PM. This is best handled by the transport class driver (need to
> > write for SATA and SAS).
> >
> > * Host PM. This is handled in the obvious manner, using existing PM
> > driver hooks. PCI D0/D3, etc.
> >
> > I can describe how this will look when libata is divorced from SCSI, if
> > you would like, too...
>
> Divorced from SCSI? Care to elaborate?

libata being a scsi citizen was just a temporary solution, Jeff has
promised to turn it into a real block driver for years :)

--
Jens Axboe