Messages in this thread | ![/](/images/icornerl.gif) | | Subject | Re: [patch 2.5] PCI: allow alternative methods for probing the BARs | From | Alan Cox <> | Date | 07 Jan 2003 12:33:41 +0000 |
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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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