diff --git a/cpukit/ChangeLog b/cpukit/ChangeLog
index 41bff2e87e..5e3f27b77b 100644
--- a/cpukit/ChangeLog
+++ b/cpukit/ChangeLog
@@ -1,3 +1,9 @@
+2010-05-27	Ralf Corsépius <ralf.corsepius@rtems.org>
+
+	* libnetworking/rtems/rtems_mii_ioctl.h, 
+	libnetworking/rtems/rtems_mii_ioctl_kern.c:
+	Use uint32_t instead of int as ioctl cmd arg.
+
 2010-05-27	Ralf Corsépius <ralf.corsepius@rtems.org>
 
 	*  libnetworking/lib/ftpfs.c, libnetworking/lib/tftpDriver.c:
diff --git a/cpukit/libnetworking/rtems/rtems_mii_ioctl.h b/cpukit/libnetworking/rtems/rtems_mii_ioctl.h
index c24f2787a0..160de34e92 100644
--- a/cpukit/libnetworking/rtems/rtems_mii_ioctl.h
+++ b/cpukit/libnetworking/rtems/rtems_mii_ioctl.h
@@ -92,7 +92,7 @@ struct rtems_mdio_info {
  *
  */
 int
-rtems_mii_ioctl (struct rtems_mdio_info *info, void *uarg, int cmd,
+rtems_mii_ioctl (struct rtems_mdio_info *info, void *uarg, uint32_t cmd,
                  int *media);
 
 #endif
diff --git a/cpukit/libnetworking/rtems/rtems_mii_ioctl_kern.c b/cpukit/libnetworking/rtems/rtems_mii_ioctl_kern.c
index 2fdf4fb27d..6d50c8e7fd 100644
--- a/cpukit/libnetworking/rtems/rtems_mii_ioctl_kern.c
+++ b/cpukit/libnetworking/rtems/rtems_mii_ioctl_kern.c
@@ -84,12 +84,12 @@
 #endif
 
 int
-rtems_mii_ioctl (struct rtems_mdio_info *info, void *uarg, int cmd,
+rtems_mii_ioctl (struct rtems_mdio_info *info, void *uarg, uint32_t cmd,
                  int *media)
 {
   uint32_t bmcr, bmsr, aner, bmcr2 = 0, bmsr2 = 0, anar, lpar;
   int phy = IFM_INST (*media);
-  unsigned tmp;
+  uint32_t tmp;
   int subtype = 0, options = 0;
 
   switch (cmd) {