Re: [PATCH] ide: Fix ata_id_has_dword_io to return DWORD I/O support properly

Sergei Shtylyov
2008-12-19T11:34:52Z

Hello, I just wrote:

>> I remain unconvinced we should be looking at it anywhere except specific
>> pure ISA cycle pass through hardware and thus it belongs as a helper for
>>
>
> I'm still not getting how drive can support or not support "DWORD
> I/O" -- you certainly can't have 32-bit I/O cycle on ISA (only on
> EISA) and you certainly cannot translate 32-bit cycle to the ATA bus.
> I remember I had some hypotheses before but they turned out to be
> inconsistent.

If only two back-to-back I/O cycles weren't providing enough recovery
time...

MBR, Sergei