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
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