diff -uprN -X orig.bak.never.touch/Documentation/dontdiff orig.bak.never.touch/drivers/char/mem.c new_gadget.newest/drivers/char/mem.c
--- orig.bak.never.touch/drivers/char/mem.c	2006-05-30 09:37:37.000000000 +0000
+++ new_gadget.newest/drivers/char/mem.c	2006-06-14 12:14:42.000000000 +0000
@@ -524,7 +524,7 @@ static ssize_t write_kmem(struct file * 
  	return virtr + wrote;
 }
 
-#if defined(CONFIG_ISA) || !defined(__mc68000__)
+#if !defined(__mc68000__) && (defined(CONFIG_PCI) || defined(CONFIG_ISA)) 
 static ssize_t read_port(struct file * file, char __user * buf,
 			 size_t count, loff_t *ppos)
 {
@@ -801,7 +801,7 @@ static struct file_operations null_fops 
 	.splice_write	= splice_write_null,
 };
 
-#if defined(CONFIG_ISA) || !defined(__mc68000__)
+#if !defined(__mc68000__) && (defined(CONFIG_PCI) || defined(CONFIG_ISA)) 
 static struct file_operations port_fops = {
 	.llseek		= memory_lseek,
 	.read		= read_port,
@@ -871,7 +871,7 @@ static int memory_open(struct inode * in
 		case 3:
 			filp->f_op = &null_fops;
 			break;
-#if defined(CONFIG_ISA) || !defined(__mc68000__)
+#if !defined(__mc68000__) && (defined(CONFIG_PCI) || defined(CONFIG_ISA)) 
 		case 4:
 			filp->f_op = &port_fops;
 			break;
@@ -918,7 +918,7 @@ static const struct {
 	{1, "mem",     S_IRUSR | S_IWUSR | S_IRGRP, &mem_fops},
 	{2, "kmem",    S_IRUSR | S_IWUSR | S_IRGRP, &kmem_fops},
 	{3, "null",    S_IRUGO | S_IWUGO,           &null_fops},
-#if defined(CONFIG_ISA) || !defined(__mc68000__)
+#if !defined(__mc68000__) && (defined(CONFIG_PCI) || defined(CONFIG_ISA)) 
 	{4, "port",    S_IRUSR | S_IWUSR | S_IRGRP, &port_fops},
 #endif
 	{5, "zero",    S_IRUGO | S_IWUGO,           &zero_fops},