Alan wrote:
On Mon, 4 Dec 2006 12:47:37 -0700
Erik Andersen <[email protected]> wrote:
This patch vs 2.6.19, based on the not-actually-working-for-me
code lurking in libata-dev.git#promise-sata-pata, makes the PATA
ports on my promise sata card actually work. Since the plan as
Nice, this is pretty much what is needed to polish up the other split
PATA/SATA cases.
Disagree. Internal libata is set up so that you can have different
ata_port::flags and ata_port::ops for each port, which is what enables
proper hardware sharing between SATA and PATA.
Two things need to happen:
1) probe_ent needs to permit a driver to supply multiple flags/ops
pairs, not just one for the whole driver, and pass that through to the
proper data structures during ata_port init.
2) a VERY FEW details like ->irq_clear() are really ata_host level
hooks, but they live in ata_port_operations because there is no
ata_host_operations. Fix these.
Once those issues are fixed, PATA+SATA can be easily support on the
combinations of hardware that have been desperately wanting it:
sata_promise, sata_sis, sata_via (sata_uli too?)
Jeff
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