Hi,
> After an initial failure in February this year I have now gotten my
> Blizzard SCSI Kit IV to work with the esp_scsi core.
Congratulations!
> It turns out the DMA engine doesn't like a transfer size of only 2 bytes
> (at least not when receiving). The bytes were in the FSC FIFO, but
> didn't get transferred to DRAM and the final interrupt didn't occur so
> the driver got stuck.
>
> The old driver used to do such small transfers using PIO, so that is
> what I do now in the glue driver.
>
> What is the way to go? Revive the glue named drivers/scsi/blz1230.c?
> Or should it be renamed?
I'd rename it to blz1230_esp.c.
> Some of the other drivers may be a little more problematic because they
> had more driver operations which are not present in the esp_scsi DMA
> abstraction.
Can you fall back to PIO for those cases?
Michael
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