Make yenta allocate IO resource windows in same range as in 2.4.x

Apparently some laptops (Compaq EVO N620c for one) have something
hidden at IO port range 0x1000, and the 2.4.x default of allocating
IO starting at 0x4000 is safer.

drivers/pcmcia/yenta_socket.c

@@ -509,6 +509,10 @@ static int yenta_sock_suspend(struct pcmcia_socket *sock)
 #define BRIDGE_IO_MAX 256
 #define BRIDGE_IO_MIN 32
 
+#ifndef PCIBIOS_MIN_CARDBUS_IO
+#define PCIBIOS_MIN_CARDBUS_IO PCIBIOS_MIN_IO
+#endif
+
 static void yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type)
 {
 	struct pci_bus *bus;
@@ -551,7 +555,7 @@ static void yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned typ
 		align = 1024;
 		size = BRIDGE_IO_MAX;
 		min = BRIDGE_IO_MIN;
-		start = PCIBIOS_MIN_IO;
+		start = PCIBIOS_MIN_CARDBUS_IO;
 		end = ~0U;
 	} else {
 		unsigned long avail = root->end - root->start;

include/asm-i386/pci.h

@@ -20,6 +20,8 @@ extern unsigned long pci_mem_start;
 #define PCIBIOS_MIN_IO		0x1000
 #define PCIBIOS_MIN_MEM		(pci_mem_start)
 
+#define PCIBIOS_MIN_CARDBUS_IO	0x4000
+
 void pcibios_config_init(void);
 struct pci_bus * pcibios_scan_root(int bus);