diff --git a/arm-stmmac-mmc-core.patch b/arm-stmmac-mmc-core.patch
new file mode 100644
index 000000000..469fe42d4
--- /dev/null
+++ b/arm-stmmac-mmc-core.patch
@@ -0,0 +1,26 @@
+Fix this error:
+
+  CC      drivers/net/ethernet/stmicro/stmmac/mmc_core.o
+drivers/net/ethernet/stmicro/stmmac/mmc_core.c: In function 'dwmac_mmc_ctrl':
+drivers/net/ethernet/stmicro/stmmac/mmc_core.c:143:2: error: implicit
+  declaration of function 'pr_debug' [-Werror=implicit-function-declaration]
+
+Signed-off-by: Stefan Roese <sr <at> denx.de>
+Cc: Giuseppe Cavallaro <peppe.cavallaro <at> st.com>
+---
+ drivers/net/ethernet/stmicro/stmmac/mmc_core.c |    1 +
+ 1 files changed, 1 insertions(+), 0 deletions(-)
+
+diff --git a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c
+index 41e6b33..c07cfe9 100644
+--- a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c
++++ b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c
+@@ -22,6 +22,7 @@
+   Author: Giuseppe Cavallaro <peppe.cavallaro <at> st.com>
+ *******************************************************************************/
+
++#include <linux/kernel.h>
+ #include <linux/io.h>
+ #include "mmc.h"
+
+--
diff --git a/kernel.spec b/kernel.spec
index bc8c2b5ac..80b22cc8a 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -656,6 +656,7 @@ Patch20000: utrace.patch
 Patch21000: arm-omap-dt-compat.patch
 Patch21001: arm-smsc-support-reading-mac-address-from-device-tree.patch
 Patch21002: arm-build-bug-on.patch
+Patch21003: arm-stmmac-mmc-core.patch
 
 #rhbz 717735
 Patch21045: nfs-client-freezer.patch
@@ -1136,6 +1137,7 @@ ApplyOptionalPatch linux-2.6-upstream-reverts.patch -R
 ApplyPatch arm-omap-dt-compat.patch
 ApplyPatch arm-smsc-support-reading-mac-address-from-device-tree.patch
 ApplyPatch arm-build-bug-on.patch
+ApplyPatch arm-stmmac-mmc-core.patch
 
 ApplyPatch taint-vbox.patch
 #
@@ -1964,6 +1966,7 @@ fi
 * Tue Jan 31 2012 Dennis Gilmore <dennis@ausil.us>
 - diable TOUCHSCREEN_EETI on all arm arches 
 - add patch for arm mtd
+- add patch for stmmac on arm
 
 * Mon Jan 30 2012 Dave Jones <davej@redhat.com>
 - Enable kmemleak (off by default) in kernel-debug (rhbz 782419)