diff --git a/drivers/staging/brcm80211/phy/wlc_phy_cmn.c b/drivers/staging/brcm80211/phy/wlc_phy_cmn.c
index 574d4f3a2084..b223433482f1 100644
--- a/drivers/staging/brcm80211/phy/wlc_phy_cmn.c
+++ b/drivers/staging/brcm80211/phy/wlc_phy_cmn.c
@@ -20,6 +20,7 @@
 #include <linux/string.h>
 #include <bcmdefs.h>
 #include <osl.h>
+#include <linux/delay.h>
 #include <linux/module.h>
 #include <linux/pci.h>
 #include <bcmendian.h>
diff --git a/drivers/staging/brcm80211/phy/wlc_phy_lcn.c b/drivers/staging/brcm80211/phy/wlc_phy_lcn.c
index 9492ca5421f8..3ac2b49d9a9d 100644
--- a/drivers/staging/brcm80211/phy/wlc_phy_lcn.c
+++ b/drivers/staging/brcm80211/phy/wlc_phy_lcn.c
@@ -17,6 +17,7 @@
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/bitops.h>
+#include <linux/delay.h>
 #include <wlc_cfg.h>
 #include <qmath.h>
 #include <osl.h>
diff --git a/drivers/staging/brcm80211/phy/wlc_phy_n.c b/drivers/staging/brcm80211/phy/wlc_phy_n.c
index 3e1ab579c086..c328de56e59a 100644
--- a/drivers/staging/brcm80211/phy/wlc_phy_n.c
+++ b/drivers/staging/brcm80211/phy/wlc_phy_n.c
@@ -18,6 +18,7 @@
 #include <linux/string.h>
 #include <bcmdefs.h>
 #include <wlc_cfg.h>
+#include <linux/delay.h>
 #include <linux/pci.h>
 #include <osl.h>
 #include <siutils.h>
diff --git a/drivers/staging/brcm80211/util/aiutils.c b/drivers/staging/brcm80211/util/aiutils.c
index cf900773fa7d..09e09c9770a9 100644
--- a/drivers/staging/brcm80211/util/aiutils.c
+++ b/drivers/staging/brcm80211/util/aiutils.c
@@ -14,6 +14,7 @@
  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#include <linux/delay.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <bcmdefs.h>
diff --git a/drivers/staging/brcm80211/util/bcmotp.c b/drivers/staging/brcm80211/util/bcmotp.c
index ac25989c8dab..3c625c84619e 100644
--- a/drivers/staging/brcm80211/util/bcmotp.c
+++ b/drivers/staging/brcm80211/util/bcmotp.c
@@ -14,6 +14,7 @@
  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#include <linux/delay.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <bcmdefs.h>
diff --git a/drivers/staging/brcm80211/util/hndpmu.c b/drivers/staging/brcm80211/util/hndpmu.c
index 5b6fa72b99e8..45f4fdaed0ac 100644
--- a/drivers/staging/brcm80211/util/hndpmu.c
+++ b/drivers/staging/brcm80211/util/hndpmu.c
@@ -13,6 +13,7 @@
  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
+#include <linux/delay.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/module.h>
diff --git a/drivers/staging/brcm80211/util/nicpci.c b/drivers/staging/brcm80211/util/nicpci.c
index 1adac0783369..56e658c429a8 100644
--- a/drivers/staging/brcm80211/util/nicpci.c
+++ b/drivers/staging/brcm80211/util/nicpci.c
@@ -14,6 +14,7 @@
  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#include <linux/delay.h>
 #include <linux/string.h>
 #include <linux/pci.h>
 #include <bcmdefs.h>
diff --git a/drivers/staging/brcm80211/util/siutils.c b/drivers/staging/brcm80211/util/siutils.c
index 1a9ff1a895c2..33a42f672af8 100644
--- a/drivers/staging/brcm80211/util/siutils.c
+++ b/drivers/staging/brcm80211/util/siutils.c
@@ -14,6 +14,7 @@
  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#include <linux/delay.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <bcmdefs.h>