Hello
David Daney wrote:
As part of our efforts to get the Cavium OCTEON processor support
merged (see: http://marc.info/?l=linux-mips&m=122600487218824), we
have this CF driver for your consideration.
Most OCTEON variants have *no* DMA or interrupt support on the CF
interface so a simple bit-banging approach is taken. Although if
DMA is
available, we do take advantage of it.
The register definitions are part of the chip support patch set
mentioned above, and are not included here.
At this point I would like to get feedback as to whether this is a
good approach for the CF driver, or perhaps generate ideas about other
possible approaches.
It's totally unacceptable for drivers/ide/ as this is
self-containeed driver no using IDE core for anything, so this can
only fit well to drivers/block/.
Not quite true, it is using ide_fix_driveid() and ide_fixstring(), but
I get your point.
Overlooked those. I just saw that it looked very alike the version
that I've seen -- hidden deep inside arch/mips/ at that time. :-)
OTOH, CF support via self-contained driver is certainly a waste of
code since IDE core and (libata) are here to drive the CF devices as
well. What we need is a "normal" IDE or libata (at your option) driver.
I will have to try it to see if the hardware has the necessary support.
It sure does have the necessary support -- this is a part of CF spec.
Thanks,
David Daney
WBR, Sergei
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