diff --git a/drivers/bcma/driver_chipcommon_pmu.c b/drivers/bcma/driver_chipcommon_pmu.c
index 800163c..04a6d03 100644
--- a/drivers/bcma/driver_chipcommon_pmu.c
+++ b/drivers/bcma/driver_chipcommon_pmu.c
@@ -138,7 +138,9 @@ void bcma_pmu_workarounds(struct bcma_drv_cc *cc)
 		bcma_chipco_chipctl_maskset(cc, 0, ~0, 0x7);
 		break;
 	case 0x4331:
-		/* BCM4331 workaround is SPROM-related, we put it in sprom.c */
+	case 43431:
+		/* Ext PA lines must be enabled for tx on BCM4331 */
+		bcma_chipco_bcm4331_ext_pa_lines_ctl(cc, true);
 		break;
 	case 43224:
 		if (bus->chipinfo.rev == 0) {
diff --git a/drivers/bcma/sprom.c b/drivers/bcma/sprom.c
index d729239..ccec719 100644
--- a/drivers/bcma/sprom.c
+++ b/drivers/bcma/sprom.c
@@ -161,7 +161,7 @@ int bcma_sprom_get(struct bcma_bus *bus)
 	if (!sprom)
 		return -ENOMEM;
 
-	if (bus->chipinfo.id == 0x4331)
+	if (bus->chipinfo.id == 0x4331 || bus->chipinfo.id == 43431)
 		bcma_chipco_bcm4331_ext_pa_lines_ctl(&bus->drv_cc, false);
 
 	/* Most cards have SPROM moved by additional offset 0x30 (48 dwords).
@@ -171,7 +171,7 @@ int bcma_sprom_get(struct bcma_bus *bus)
 		BCMA_CC_SPROM_PCIE6;
 	bcma_sprom_read(bus, offset, sprom);
 
-	if (bus->chipinfo.id == 0x4331)
+	if (bus->chipinfo.id == 0x4331 || bus->chipinfo.id == 43431)
 		bcma_chipco_bcm4331_ext_pa_lines_ctl(&bus->drv_cc, true);
 
 	err = bcma_sprom_valid(sprom);