--- a/ath/if_ath.c
+++ b/ath/if_ath.c
@@ -63,6 +63,8 @@
 #include <linux/rtnetlink.h>
 #include <linux/time.h>
 #include <linux/pci.h>
+#include <linux/device.h>
+#include <linux/ath5k_platform.h>
 #include <asm/uaccess.h>
 
 #include "if_ethersubr.h"		/* for ETHER_IS_MULTICAST */
@@ -587,6 +589,10 @@ ath_attach(u_int16_t devid, struct net_d
 	unsigned int i;
 	int autocreatemode = -1;
 	u_int8_t csz;
+#ifdef ATH_PCI
+	struct ath5k_platform_data *pdata;
+	struct pci_dev *pdev;
+#endif
 
 	sc->devid = devid;
 #ifdef AR_DEBUG
@@ -648,6 +654,13 @@ ath_attach(u_int16_t devid, struct net_d
 	}
 	sc->sc_ah = ah;
 
+#ifdef ATH_PCI
+	/* set MAC from ath_platform_data */
+	pdev = (struct pci_dev *)sc->sc_bdev;
+	pdata = pdev->dev.platform_data;
+	if (pdata && pdata->macaddr)
+		ath_hal_setmac(ah, pdata->macaddr);
+#endif
 	/* WAR for AR7100 PCI bug */
 #if defined(CONFIG_ATHEROS_AR71XX) || defined(CONFIG_ATH79)
 	if ((ar_device(sc->devid) >= 5210) && (ar_device(sc->devid) < 5416)) {