Messages in this thread | | | Date | Wed, 15 Mar 2006 17:50:37 -0500 | From | Jeff Garzik <> | Subject | Re: libata/sata_nv latency on NVIDIA CK804 [was Re: AMD64 X2 lost ticks on PM timer] |
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Ingo Molnar wrote: > * Jeff Garzik <jeff@garzik.org> wrote: > > >>It won't work at all... > > > ok. > > >>You have to stop talking to PCI IDE registers completely (consumes 5 >>PCI BARs), and talk exclusively to the MMIO 6th PCI BAR, at >>non-standard offsets and a using a proprietary DMA descriptor format >>[all public now in that link I just sent]. > > > just to make it easier to test: i've attached the new sata_nv.c file, > which, to test it, should be copied over the existing > drivers/scsi/sata_nv.c file, correct?
Alas, it is far from that simple :(
The code I linked to isn't in a working state. NV contributed it largely as "it worked at one time" documentation of a previously-undocumented register interface.
Someone needs to debug it.
Jeff
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