On Sul, 2005-02-13 at 18:51, Jeff Garzik wrote:
> libata-dev now has two drivers that support PATA, pata_pdc2027x and 
> ata_piix, and the core is getting close (DMA blacklist in, C/H/S support 
> close).

Do you have DMA change down sorted - CRC error, drop speed and/or switch
to PIO then later flip back. Thats one real horror to get right and one
thats badly screwy in the current IDE code (-ac IDE can hang the box for
ages, base will sometimes crash)

> * With ATA passthru (in libata-dev currently), libata supports SMART and 
> the HDIO_CMD/HDIO_TASK generalized ioctls.  Should I care about 
> supporting other ioctls?

I'd rather the libata driver just had the sane ioctls

> * pci_enable_device() issues?

Nothing really special there, pci_disable_device can be funny thats all.

> * power management differences?

AFAIK only the "I have a cache but no flush command" issue

I'm all for burying the old IDE layer

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