+--- a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c
++++ b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c
+@@ -16,6 +16,7 @@
+ * File contents: support functions for PCI/PCIe
+ */
+
++#undef pr_fmt
+ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+ #include <linux/delay.h>
+--- a/drivers/net/wireless/brcm80211/brcmsmac/dma.c
++++ b/drivers/net/wireless/brcm80211/brcmsmac/dma.c
+@@ -14,6 +14,7 @@
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
++#undef pr_fmt
+ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+ #include <linux/slab.h>
+--- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
++++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
+@@ -15,6 +15,7 @@
+ */
+
+ #define __UNDEF_NO_VERSION__
++#undef pr_fmt
+ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+ #include <linux/etherdevice.h>
+--- a/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_n.c
++++ b/drivers/net/wireless/brcm80211/brcmsmac/phy/phy_n.c
+@@ -14,6 +14,7 @@
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
++#undef pr_fmt
+ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+ #include <linux/kernel.h>
+--- a/drivers/net/wireless/brcm80211/brcmutil/utils.c
++++ b/drivers/net/wireless/brcm80211/brcmutil/utils.c
+@@ -14,6 +14,7 @@
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
++#undef pr_fmt
+ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+ #include <linux/netdevice.h>
+--- a/drivers/net/wireless/brcm80211/brcmsmac/main.c
++++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c
+@@ -14,6 +14,7 @@
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
++#undef pr_fmt
+ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+ #include <linux/pci_ids.h>