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-rw-r--r--drivers/pci/setup-bus.c2
-rw-r--r--drivers/pci/setup-res.c4
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. */