> > Unfortunately it doesn't work for me on MCP51 if I change
> GENERIC to
> > ADMA. So I wonder whether MCP51 has ADMA mode or what needs
> to be done
> > to get NCQ working. :-(
>
> What happened when you tried it? It would be useful if you
> could change the #undef in these lines:
>
> 53 #undef ATA_DEBUG /* debugging output */
> 54 #undef ATA_VERBOSE_DEBUG /* yet more debugging output */
>
> in include/linux/libata.h to #define and rebuild and try it
> then, that will spew out a bunch more output and I can see if
> any reasonable looking values are showing up at all. I was
> capturing this output the crude way, booting with vga=6 to
> get a smaller font and taking a picture of the screen :-)
> Also, maybe post the lspci -v output from the SATA controller..
>
> If that doesn't provide any insight, maybe the docs Jeff has
> provide the answer for whether or not the MCP5x/MCP61
> controllers have the same interface as the CK804/MCP04..
No, only CK804 and MCP04 support ADMA. We'll be publishing some patches
for NCQ support for MCP55/MCP61 soon.
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