i've committed this.  i'll worry about old systems when someone
complains again.
-mike

2012-02-04  Mike Frysinger  <vapier@gentoo.org>

	* config.in: Regenerate.
	* configure: Likewise.
	* configure.ac: Add linux/types.h to AC_CHECK_HEADERS.
	* dv-eth_phy.c: Check for HAVE_LINUX_TYPES_H, and delete __u16 and
	_LINUX_TYPES_H defines.

--- a/sim/bfin/configure.ac
+++ b/sim/bfin/configure.ac
@@ -54,7 +54,14 @@ SIM_AC_OPTION_HARDWARE(yes,,\
 )
 
 AC_CHECK_FUNCS([getuid getgid geteuid getegid setuid setgid mmap munmap kill pread])
-AC_CHECK_HEADERS([sys/ioctl.h sys/mman.h net/if.h linux/if_tun.h linux/mii.h])
+AC_CHECK_HEADERS([ \
+	linux/if_tun.h \
+	linux/mii.h \
+	linux/types.h \
+	net/if.h \
+	sys/ioctl.h \
+	sys/mman.h \
+])
 
 BFIN_SIM_EXTRA_OBJS=
 
--- a/sim/bfin/dv-eth_phy.c
+++ b/sim/bfin/dv-eth_phy.c
@@ -23,11 +23,10 @@
 #include "sim-main.h"
 #include "devices.h"
 
-#ifdef HAVE_LINUX_MII_H
+#if defined (HAVE_LINUX_MII_H) && defined (HAVE_LINUX_TYPES_H)
 
 /* Workaround old/broken linux headers.  */
-#define _LINUX_TYPES_H
-#define __u16 unsigned short
+#include <linux/types.h>
 #include <linux/mii.h>
 
 #define REG_PHY_SIZE 0x20