On Tue, 17 Dec 2002, Ivan Kokshaysky wrote:
> On Mon, Dec 16, 2002 at 05:41:53PM -0700, Bjorn Helgaas wrote:
> > + /* Disable I/O & memory decoding while we size the BARs. */
> > + pci_read_config_word(dev, PCI_COMMAND, &cmd);
> > + pci_write_config_word(dev, PCI_COMMAND,
> > + cmd & ~(PCI_COMMAND_IO | PCI_COMMAND_MEMORY));
>
> It's fatal for certain x86 northbridges, that's why the code was
> removed 2 years ago.
>
> Maybe it would be ok with this modification:
>
> pci_read_config_word(dev, PCI_COMMAND, &cmd);
> /* Don't touch northbridges or devices with devfn 0:0 */
> if ((dev->class >> 8) != PCI_CLASS_BRIDGE_HOST && dev->devfn)
> pci_write_config_word(dev, PCI_COMMAND,
> cmd & ~(PCI_COMMAND_IO | PCI_COMMAND_MEMORY));
Ok, I've reverted this one.
-
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This archive was generated by hypermail 2b29 : Mon Dec 23 2002 - 22:00:19 EST