Re: [RFT] major libata update

Jeff Garzik
2006-05-15T17:13:34Z

Alan Cox wrote:
> On Llu, 2006-05-15 at 13:00 -0400, Jeff Garzik wrote:
>> * PIO-based I/O is now IRQ-driven by default, rather than polled
>> in a kernel thread. The polling path will continue to exist for
>> controllers that need it, and other special cases. (Albert Lee)
>
> How will this be selected ? Passing ->irq = 0 ?

It is selected at runtime by passing a polling flag to ata_taskfile.

That flag, in turn can be set by anything -- driver flags (for
controllers that always require polling), user variable requested at
runtime, whatever.

> For ata_piix given you've destabilized it a bit would now be a good time
> to submit the patches to fix the timing, register scribble and incorrect
> ATAPI caching ?

Sure.

Jeff