diff -u utio.orig/utio.c utio/utio.c
--- utio.orig/utio.c	2007-08-02 00:45:50.000000000 +0200
+++ utio/utio.c	2007-10-14 02:01:21.000000000 +0200
@@ -9,7 +9,9 @@
 static char __attribute__ ((unused)) *_SCCSid = "@(#)utio.c	1.9	06/09/07 SMI";
 #endif	/* defined _SCCSID */
 
-#include <linux/config.h>
+#ifdef WHO_NEEDS_THIS
+# include <linux/config.h>
+#endif
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/fs.h>
@@ -26,6 +28,9 @@
 #include <linux/ioctl.h>
 #include <linux/termios.h>
 #include <linux/ppdev.h>
+#ifdef HAVE_COMPAT_IOCTL
+# include <linux/smp_lock.h>		/* (un)lock_kernel() */
+#endif
 #include <asm/atomic.h>
 #include <asm/uaccess.h>
 
@@ -1647,7 +1652,11 @@
 	if (MINOR(inode->i_rdev) == UTSERIALD_MINOR) {
 		ret = seriald_ioctl(inode, file, cmd, arg);
 	} else if (MINOR(inode->i_rdev) == UTPARALLELD_MINOR) {
+#ifndef HAVE_COMPAT_IOCTL
 		ret = paralleld_ioctl(inode, file, cmd, arg);
+#else /* !HAVE_COMPAT_IOCTL */
+		ret = compat_paralleld_ioctl(0, cmd, arg, file);
+#endif /* !HAVE_COMPAT_IOCTL */
 	} else {
 		return (-ENXIO);
 	}
@@ -1997,6 +2006,39 @@
 	return (ret);
 }
 
+#ifdef HAVE_COMPAT_IOCTL
+/* 32bit compat ioctl */
+static long
+utio_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+	int ret;
+	struct uta_connect *conn;
+
+	DPRINTF(2, "entering %s() cmd=0x%x\n", __FUNCTION__, cmd);
+
+	if (!file->private_data) {
+		DPRINTF(3, "No connection...\n");
+		return (-ENODEV);
+	}
+
+	conn = file->private_data;
+
+	/*
+	 * syscall_rwsem locks are acquired
+	 * inside user_ioctl() or daemon_ioctl(),
+	 * so no locks are needed here.
+	 */
+	lock_kernel();
+	if (conn->role == UTA_USER)
+		ret = user_ioctl(file->f_path.dentry->d_inode, file, cmd, arg);
+	else
+		ret = compat_daemon_ioctl(0, cmd, arg, file);
+	unlock_kernel();
+
+	return ret;
+}
+#endif /* HAVE_COMPAT_IOCTL */
+
 static int
 utio_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
     unsigned long arg)
@@ -2187,6 +2229,9 @@
 	write:		utio_write,
 	poll:		utio_poll,
 	ioctl:		utio_ioctl,
+#ifdef HAVE_COMPAT_IOCTL
+	compat_ioctl:	utio_compat_ioctl,
+#endif
 	open:		utio_open,
 	release:	utio_release,
 };
@@ -2256,12 +2301,14 @@
 	}
 
 #if defined(CONFIG_COMPAT) || defined(CONFIG_SPARC64) || defined(CONFIG_X86_64) || defined(CONFIG_PPC64)
+#ifndef HAVE_COMPAT_IOCTL
 	register_ioctl32_conversion(COMPAT_UTIO_GETMSG, &compat_daemon_ioctl);
 	register_ioctl32_conversion(COMPAT_UTIO_PUTMSG, &compat_daemon_ioctl);
 	register_ioctl32_conversion(COMPAT_PPGETTIME, &compat_paralleld_ioctl);
 	register_ioctl32_conversion(UTIO_GETVERSION, (ioctl_trans_handler_t)0UL);
 	register_ioctl32_conversion(UTIO_GETMAJOR, (ioctl_trans_handler_t)0UL);
 	register_ioctl32_conversion(UTIO_GETDEVID, (ioctl_trans_handler_t)0UL);
+#endif	/* HAVE_COMPAT_IOCTL */
 #endif	/* CONFIG_COMPAT */
 
 	/* init successful */
@@ -2274,12 +2321,14 @@
 
 	DPRINTF(2, "entering %s()\n", __FUNCTION__);
 #if defined(CONFIG_COMPAT) || defined(CONFIG_SPARC64) || defined(CONFIG_X86_64) || defined(CONFIG_PPC64)
+#ifndef HAVE_COMPAT_IOCTL
 	unregister_ioctl32_conversion(COMPAT_UTIO_GETMSG);
 	unregister_ioctl32_conversion(COMPAT_UTIO_PUTMSG);
 	unregister_ioctl32_conversion(COMPAT_PPGETTIME);
 	unregister_ioctl32_conversion(UTIO_GETVERSION);
 	unregister_ioctl32_conversion(UTIO_GETMAJOR);
 	unregister_ioctl32_conversion(UTIO_GETDEVID);
+#endif	/* HAVE_COMPAT_IOCTL */
 #endif	/* CONFIG_COMPAT */
 
 	/*
diff -u utio.orig/utio.h utio/utio.h
--- utio.orig/utio.h	2007-08-02 00:45:50.000000000 +0200
+++ utio/utio.h	2007-10-13 23:57:50.000000000 +0200
@@ -9,7 +9,9 @@
 
 #if defined(CONFIG_COMPAT) || defined(CONFIG_SPARC64) || defined(CONFIG_X86_64) || defined(CONFIG_PPC64)
 #include <asm/uaccess.h>
-#include <linux/ioctl32.h>
+#ifndef HAVE_COMPAT_IOCTL
+# include <linux/ioctl32.h>
+#endif
 #include <linux/compat.h>
 #endif	/* CONFIG_COMPAT */