--- linux/drivers/pcmcia/yenta.c.bridge	Sat Aug 10 20:30:35 2002
+++ linux/drivers/pcmcia/yenta.c	Mon Aug 12 14:00:38 2002
@@ -706,7 +706,8 @@ static int yenta_suspend(pci_socket_t *s
 
 static void yenta_allocate_res(pci_socket_t *socket, int nr, unsigned type)
 {
-	struct pci_bus *bus;
+	struct pci_bus *bus, *parent;
+	struct pci_dev *bridge;
 	struct resource *root, *res;
 	u32 start, end;
 	u32 align, size, min, max;
@@ -739,17 +740,43 @@ static void yenta_allocate_res(pci_socke
 		return;
 	}
 
-	align = size = 4*1024*1024;
-	min = PCIBIOS_MIN_MEM; max = ~0U;
 	if (type & IORESOURCE_IO) {
 		align = 1024;
 		size = 256;
 		min = 0x4000;
 		max = 0xffff;
 	}
+	else {
+		align = size = 4*1024*1024;
+		min = PCIBIOS_MIN_MEM;
+		max = ~0U;
+	}
 		
-	if (allocate_resource(root, res, size, min, max, align, NULL, NULL) < 0)
+
+	/* We check if we are behind an Intel 82801BAM/CAM PCI bridge
+	   which is a transparent bridge for us. We just allocate
+	   resources from its parent.  */
+	parent = bus->parent;
+	if (parent != NULL) {
+		bridge = parent->self;
+		if (bridge != NULL
+		    && (bridge->class >> 8) == PCI_CLASS_BRIDGE_PCI
+		    && bridge->vendor == PCI_VENDOR_ID_INTEL
+		    && bridge->device >= PCI_DEVICE_ID_INTEL_82801BA_0
+		    && bridge->device <= PCI_DEVICE_ID_INTEL_82801BA_11) {
+			res->name = bridge->subordinate->name;
+			root = pci_find_parent_resource(bridge, res);
+		}
+	}
+
+	if (allocate_resource(root, res, size, min, max, align, NULL, NULL) < 0) {
+		printk (KERN_NOTICE "PCI: CardBus bridge (%04x:%04x, %04x:%04x): Failed to allocate %s resource: %d bytes!\n",
+			socket->dev->vendor, socket->dev->device,
+			socket->dev->subsystem_vendor,
+			socket->dev->subsystem_device,
+			(type & IORESOURCE_IO) ? "I/O" : "memory", size);
 		return;
+	}
 
 	config_writel(socket, offset, res->start);
 	config_writel(socket, offset+4, res->end);