Re: SCSI QLA not working on latest *-mm SN2

Jesse Barnes
2004-09-21T22:36:52Z

On Tuesday, September 21, 2004 5:06 pm, Jeremy Higdon wrote:
> > The only requirement after reception of a soft-reset request (by PIO
> > or MMIO) by the RISC is for the driver to wait 16 PCI clocks before
> > issuing another request. The problem of course is determining when to
> > start timing within the driver.
>
> So I think that we just wait for some reasonable worst case time for
> the write to complete. We can't really do anything else.

Shouldn't we do a config space read and *then* start the delay, which will
only delay for as long as it takes to reset the card on a 33 MHz bus?

> Are these resets done as part of error recovery? I.e., do we have
> to be concerned about long the write will take on a busy system?

If reading from config space isn't sufficient, then we'd be in trouble in that
case.

Jesse