Re: [patch 2.5] PCI: allow alternative methods for probing the BARs

Ivan Kokshaysky (ink@jurassic.park.msu.ru)
Tue, 7 Jan 2003 20:27:55 +0300


On Tue, Jan 07, 2003 at 12:33:41PM +0000, Alan Cox wrote:
> > Did you expect the PCI_COMMAND_MASTER disabled in the USB Controller
> > or something else in the controller turned off?
>
> There is another problem too. Some devices ignore the master bit disable.
> VIA 8233/8235 being a fine example.

I don't think IDE DMA is active at that point. But in either case,
with the 2-pass approach we should be able to handle 100% of
problematic hardware.

Ivan.
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