> It seems ide-floppy needs some special handlings in interrupt handling
> too like delaying data transfer by several ticks after device indicates
> readiness.  Apart from separate high level driver, we might have to
> modify libata HSM implementation if we're gonna support these devices.

The data transfer delay may well be down to the DMA bug

> Can someone more knowledgeable explain what needs to be done differently
> from standard ATAPI for these devices?

In theory not a lot if anything. I don't have a ZIP drive but have got an
old Iomega Clik! PCMCIA drive somewhere if you need an ide-floppy device
Tejun.

Alan
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