On Wed, 22 Nov 2006 18:26:10 -0800
Andrew Morton <[email protected]> wrote:
> I doubt if it's appropriate to do all this via ifdefs. Users don't compile
> their kernels - others compile them for the users. We need the one kernel
> binary to support both modes. Possible?
I'm not sure we do. What the Jmicron drivers do is
- If SATA (libata) is enabled (module or built in) then turn on AHCI
- If it is not enabled then support the chip fully in SFF mode via
drivers/ide
As the AHCI mode is fundamentally better (both with respect to standards
and to performance) this makes sense.
I think the SB600 should do the same - if support is in the
kernel/modules - then turn on AHCI mode. If not then don't. No user
options needed, no complex config questions.
Alan
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