Re: [PATCH v4] ata: libata: disable LPM for WDC WD20EFAX-68FB5N0 hard drives

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On Wed, Jun 11, 2025 at 04:14:44PM +0300, Mikko Juhani Korhonen wrote:
> ma 9.6.2025 klo 16.49 Niklas Cassel (cassel@xxxxxxxxxx) kirjoitti:
> > > It is unfortunate that the BIOS manufacturer has managed to mess this up,
> > > but since this is the first motherboard where I've heard about the problem
> > > of LPM only working on certain ports, even though it is a per controller
> > > thing, just not having good power saving for this motherboard seems fine.
> > >
> > > I suggest that we simply add the DMI name of your motherboard to
> > > ahci_broken_lpm().
> >
> > (As without that series, it is not possible to add an entry
> > where there is no good BIOS version that has been released.)
> 
> Hello Niklas,
> 
> thanks - ok we are assuming that this is something that happens only
> on this motherboard for this AMD 0x43EB controller at least for now.


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