On Fri, 2 Mar 2007, Tejun Heo wrote: > Some LLDs were missing scsi device PM callbacks while having host/port > suspend support. Add missing ones. > > Signed-off-by: Tejun Heo <htejun at gmail.com> > --- > This should fix the problem you're seeing on sil680. These patches > are against 2.6.20.1. Patches for libata-dev#upstream is separately > posted to linux-ide in the following thread. Yep, this looks good now, I think, thanks! I still have to fix some badness, but it looks unrelated. The disk switches off and on now automatically as expected. I'll do further tests, but, it looks quite good as it stands. Thanks Guennadi --- Guennadi Liakhovetski