Re: Linux 2.4.21-pre3-ac4

Benjamin Herrenschmidt (benh@kernel.crashing.org)
13 Jan 2003 21:56:50 +0100


On Mon, 2003-01-13 at 20:19, Ross Biro wrote:

> and read the alt status register to get a delay.
>
> This is technically a spec violation, but it's probably safe. I'm going
> to send an email to a couple of the drive manufacturers and see what
> they think.

Or get back to my original idea of an IOSYNC() callback in hwif. For
standard PCI controllers with DMA, it's enough to read the dma_status
register which is on the same bus path. Others will have to provide
some implementation or be unsafe on some non-x86. What do you think ?

Ben.

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