Hi Tuomas,
There's still the Amiga Zorro ESP patch out in limbo - DaveM
suggested a change to enable SCSI-2 features to help with extended
message bytes but that did not work as intended. Haven't had time to
follow that one up. Tuomas' fix to the driver to bypass DMA for
message in works OK though - do you want it submitted back to
linux-scsi as is, or wait for a perfect solution (pun on me ...)?
Just to refresh your memory, the final fix was not to bypass DMA at
any level (I did that for the command transfer, but that didn't help),
but to have a dedicated slave_configure() function in the Amiga Zorro
ESP driver that would not enable TCQ.
You guessed right about memory failing me - it wasn't about DMA in the
end (for some reason, I seem to have DMA stuck in my mind at the
moment), Do you see any other avenues to try and enable tagged commands
in the ESP chip? We tried one config register only so far...
Cheers,
Michael
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