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-rw-r--r--arch/x86/pci/acpi.c32
1 files changed, 28 insertions, 4 deletions
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index 68c3c1395202..404f21a3ff9e 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -43,6 +43,17 @@ static const struct dmi_system_id pci_use_crs_table[] __initconst = {
DMI_MATCH(DMI_PRODUCT_NAME, "ALiveSATA2-GLAN"),
},
},
+ /* https://bugzilla.kernel.org/show_bug.cgi?id=30552 */
+ /* 2006 AMD HT/VIA system with two host bridges */
+ {
+ .callback = set_use_crs,
+ .ident = "ASUS M2V-MX SE",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
+ DMI_MATCH(DMI_BOARD_NAME, "M2V-MX SE"),
+ DMI_MATCH(DMI_BIOS_VENDOR, "American Megatrends Inc."),
+ },
+ },
{}
};
@@ -246,10 +257,9 @@ static void add_resources(struct pci_root_info *info)
conflict = insert_resource_conflict(root, res);
if (conflict)
- dev_err(&info->bridge->dev,
- "address space collision: host bridge window %pR "
- "conflicts with %s %pR\n",
- res, conflict->name, conflict);
+ dev_info(&info->bridge->dev,
+ "ignoring host bridge window %pR (conflicts with %s %pR)\n",
+ res, conflict->name, conflict);
else
pci_bus_add_resource(info->bus, res, 0);
}
@@ -361,6 +371,20 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_pci_root *root)
}
}
+ /* After the PCI-E bus has been walked and all devices discovered,
+ * configure any settings of the fabric that might be necessary.
+ */
+ if (bus) {
+ struct pci_bus *child;
+ list_for_each_entry(child, &bus->children, node) {
+ struct pci_dev *self = child->self;
+ if (!self)
+ continue;
+
+ pcie_bus_configure_settings(child, self->pcie_mpss);
+ }
+ }
+
if (!bus)
kfree(sd);
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