SFI: Hook PCI MMCONFIG

First check ACPI, and if that fails, ask SFI to find the MCFG.

Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>

1 files changed, 4 insertions, 2 deletions

diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c
index b707a0141d3..602c172d3bd 100644
--- a/arch/x86/pci/mmconfig-shared.c
+++ b/arch/x86/pci/mmconfig-shared.c
@@ -13,10 +13,12 @@
 #include <linux/pci.h>
 #include <linux/init.h>
 #include <linux/acpi.h>
+#include <linux/sfi_acpi.h>
 #include <linux/bitmap.h>
 #include <linux/sort.h>
 #include <asm/e820.h>
 #include <asm/pci_x86.h>
+#include <asm/acpi.h>
 
 #define PREFIX "PCI: "
 
@@ -493,7 +495,7 @@ static void __init pci_mmcfg_reject_broken(int early)
                        (unsigned int)cfg->start_bus_number,
                        (unsigned int)cfg->end_bus_number);
 
-                if (!early)
+                if (!early && !acpi_disabled)
                         valid = is_mmconf_reserved(is_acpi_reserved, addr, size, i, cfg, 0);
 
                 if (valid)
@@ -608,7 +610,7 @@ static void __init __pci_mmcfg_init(int early)
         }
 
         if (!known_bridge)
-                acpi_table_parse(ACPI_SIG_MCFG, pci_parse_mcfg);
+                acpi_sfi_table_parse(ACPI_SIG_MCFG, pci_parse_mcfg);
 
         pci_mmcfg_reject_broken(early);