Re: sata suspend resume ...

[Hugh Dickins]

On Sun, 23 Apr 2006, Hugh Dickins wrote:
> On Fri, 21 Apr 2006, Jeff Garzik wrote:
> 
> > So you really want an ata_make_sure_bus_is_awake_and_working() called at that
> > location.  ata_busy_sleep()'s purpose is to bring a PATA-like bus to the
> > bus-idle state.  So, when working on suspend/resume, the software needs to
> > have points at which the bus state is controlled/queried/asserted.
> 
> As you can see from my questions, I haven't a clue around here.  So for
> now I'll just have to keep that ata_busy_sleep with the patches I apply
> to my kernel, until someone with a clue makes it redundant.  And it is
> now there in the LKML archives for those who find it useful.

I'm glad to report that my ata_busy_sleep is already unnecessary in
2.6.17-rc2-mm1 (and probably in at least -rc1-mm3 before it): unlike in
2.6.17-rc3, T43p resumes reliably from RAM with unpatched libata-core.c.
Something has gone seriously right!  Thanks...

Hugh
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