On Tue, May 18, 2010 at 03:15:04PM -0700, Jesse Barnes wrote: > On Thu, 1 Apr 2010 11:43:30 -0700 > "Ira W. Snyder" <iws@xxxxxxxxxxxxxxxx> wrote: > > > Read the memory ranges behind the Broadcom CNB20LE host bridge out of the > > hardware. This allows PCI hotplugging to work, since we know which memory > > range to allocate PCI BAR's from. > > > > The x86 PCI code automatically prefers the ACPI _CRS information when it is > > available. In that case, this information is not used. > > > > Signed-off-by: Ira W. Snyder <iws@xxxxxxxxxxxxxxxx> > > --- > > You can't just use _CRS data? If this duplicates _CRS functionality > and doesn't fix any cases where _CRS data is broken, I'm inclined not > to include it... > Both types of board I own with this chipset are quite old and do not have ACPI at all, so there is no _CRS data. If a board with this chipset exists and it has ACPI support, this code will automatically be skipped in favor of the _CRS data. Ira -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
