2 files changed, 4 insertions, 2 deletions

diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index a2eebc6eaacc..6d864c502a1f 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -40,7 +40,7 @@
  * FIXME: IO should be max 256 bytes.  However, since we may
  * have a P2P bridge below a cardbus bridge, we need 4K.
  */
-#define CARDBUS_IO_SIZE         (4096)
+#define CARDBUS_IO_SIZE         (256)
 #define CARDBUS_MEM_SIZE        (32*1024*1024)
 
 static void __devinit
diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c
index 84eedc965688..5598b4714f77 100644
--- a/drivers/pci/setup-res.c
+++ b/drivers/pci/setup-res.c
@@ -53,7 +53,9 @@ pci_update_resource(struct pci_dev *dev, struct resource *res, int resno)
         if (resno < 6) {
                 reg = PCI_BASE_ADDRESS_0 + 4 * resno;
         } else if (resno == PCI_ROM_RESOURCE) {
-                new |= res->flags & IORESOURCE_ROM_ENABLE;
+                if (!(res->flags & IORESOURCE_ROM_ENABLE))
+                        return;
+                new |= PCI_ROM_ADDRESS_ENABLE;
                 reg = dev->rom_base_reg;
         } else {
                 /* Hmm, non-standard resource. */