Re: [PATCH PROPOSAL] libata/pci: Move D3 hack handling from libata into PCI

From: Jesse Barnes
Date: Thu Jul 24 2008 - 16:11:40 EST


On Thursday, July 24, 2008 9:18 am Alan Cox wrote:
> Libata has some hacks to deal with certain controllers going silly in D3
> state. The right way to handle this is to keep a PCI device flag for such
> devices. That can then be generalised for no ATA devices with power
> problems.
>
> Signed-off-by: Alan Cox <alan@xxxxxxxxxx>

Looks pretty reasonable to me; do you want me to take the drivers/ata bits
along with the PCI stuff?

Btw, what happens to these devices in D3hot? Do they behave like they're in
D3cold or something and require a reset? Or do they otherwise kill the bus
somehow?

Thanks,
Jesse
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