On Sun, Sep 16, 2007 at 11:34:35AM -0600, Robert Hancock wrote:
> > The most interesting fact there is that windows *does not* clear
> > PCI_COMMAND_MEMORY bits during PCI bus enumeration, so BIOS writers
> > have to rely on that. Yet another reason why your patch is unsafe.
>
> Windows 98 doesn't, it says. That doesn't say anything about what newer
> versions of Windows are doing (like Vista, which is the first to
> actually use MMCONFIG).
But we're not going to drop support for hardware "designed for Windows 98",
aren't we?
> Check the code. We have a quirk to handle this, in
> drivers/usb/host/pci-quirks.c
It doesn't help. It's a "final" fixup, so it runs much later than BAR sizing.
Ivan.
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