3 files changed, 13 insertions, 0 deletions

diff --git a/arch/i386/pci/common.c b/arch/i386/pci/common.c
index 0a362e3aeac..68bce194e68 100644
--- a/arch/i386/pci/common.c
+++ b/arch/i386/pci/common.c
@@ -242,6 +242,10 @@ char * __devinit  pcibios_setup(char *str)
                 acpi_noirq_set();
                 return NULL;
         }
+        else if (!strcmp(str, "noearly")) {
+                pci_probe |= PCI_PROBE_NOEARLY;
+                return NULL;
+        }
 #ifndef CONFIG_X86_VISWS
         else if (!strcmp(str, "usepirqmask")) {
                 pci_probe |= PCI_USE_PIRQ_MASK;
diff --git a/arch/i386/pci/early.c b/arch/i386/pci/early.c
index b1f7f40d809..713d6c866ca 100644
--- a/arch/i386/pci/early.c
+++ b/arch/i386/pci/early.c
@@ -1,6 +1,8 @@
 #include <linux/kernel.h>
+#include <linux/pci.h>
 #include <asm/pci-direct.h>
 #include <asm/io.h>
+#include "pci.h"
 
 /* Direct PCI access. This is used for PCI accesses in early boot before
    the PCI subsystem works. */
@@ -42,3 +44,9 @@ void write_pci_config(u8 bus, u8 slot, u8 func, u8 offset,
         outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8);
         outl(val, 0xcfc);
 }
+
+int early_pci_allowed(void)
+{
+        return (pci_probe & (PCI_PROBE_CONF1|PCI_PROBE_NOEARLY)) ==
+                        PCI_PROBE_CONF1;
+}
diff --git a/arch/i386/pci/pci.h b/arch/i386/pci/pci.h
index 8a7cf1f2368..1814f74569c 100644
--- a/arch/i386/pci/pci.h
+++ b/arch/i386/pci/pci.h
@@ -17,6 +17,7 @@
 #define PCI_PROBE_CONF2         0x0004
 #define PCI_PROBE_MMCONF        0x0008
 #define PCI_PROBE_MASK          0x000f
+#define PCI_PROBE_NOEARLY       0x0010
 
 #define PCI_NO_SORT             0x0100
 #define PCI_BIOS_SORT           0x0200