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    SubjectRe: [patch 2.5] PCI: allow alternative methods for probing the BARs
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    On Tue, 2003-01-07 at 00:13, Grant Grundler wrote:
    > On Mon, Jan 06, 2003 at 03:19:09PM -0800, Linus Torvalds wrote:
    > > In particular, we can make the first phase disable DMA on the devices we
    > > find, which means that we know they won't be generating PCI traffic during
    > > the second phase - so now the second phase (which does the BAR sizing) can
    > > do sizing and be safe in the knowledge that there should be no random PCI
    > > activity ongoing at the same time.
    >
    > 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.

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