--- dahdi-linux-2.10.0.1/drivers/dahdi/wcte43x-base.c~	2014-09-22 20:40:19.000000000 +0200
+++ dahdi-linux-2.10.0.1/drivers/dahdi/wcte43x-base.c	2015-01-26 00:29:29.559216394 +0100
@@ -3581,7 +3581,11 @@
 		return;
 
 	wc->not_ready = 1;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 18, 0)
 	smp_mb__after_clear_bit();
+#else
+	smp_mb__after_atomic();
+#endif
 
 	/* Stop everything */
 	wcxb_stop(&wc->xb);
--- dahdi-linux-2.10.0.1/drivers/dahdi/wcaxx-base.c~	2014-09-22 20:40:19.000000000 +0200
+++ dahdi-linux-2.10.0.1/drivers/dahdi/wcaxx-base.c	2015-01-26 00:30:14.289214817 +0100
@@ -3823,7 +3823,11 @@
 	unsigned long flags;
 
 	clear_bit(INITIALIZED, &wc->bit_flags);
-	smp_mb__after_clear_bit();
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 18, 0)
+ 	smp_mb__after_clear_bit();
+#else
+	smp_mb__after_atomic();
+#endif
 
 	/* Make sure we're not on the card list anymore. */
 	mutex_lock(&card_list_lock);
--- dahdi-linux-2.10.0.1/drivers/dahdi/wcte12xp/base.c~	2014-09-22 20:40:19.000000000 +0200
+++ dahdi-linux-2.10.0.1/drivers/dahdi/wcte12xp/base.c	2015-01-26 00:30:47.229213654 +0100
@@ -2110,7 +2110,11 @@
 	 * them. */
 	clear_bit(INITIALIZED, &wc->bit_flags);
 	synchronize_irq(wc->vb.pdev->irq);
-	smp_mb__after_clear_bit();
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 18, 0)
+ 	smp_mb__after_clear_bit();
+#else
+	smp_mb__after_atomic();
+#endif
 	del_timer_sync(&wc->timer);
 	flush_workqueue(wc->wq);
 
@@ -3076,7 +3080,11 @@
 	remove_sysfs_files(wc);
 
 	clear_bit(INITIALIZED, &wc->bit_flags);
-	smp_mb__after_clear_bit();
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 18, 0)
+ 	smp_mb__after_clear_bit();
+#else
+	smp_mb__after_atomic();
+#endif
 
 	del_timer_sync(&wc->timer);
 	flush_workqueue(wc->wq);
--- dahdi-linux-2.10.0.1/drivers/dahdi/wcte13xp-base.c~	2014-09-22 20:40:19.000000000 +0200
+++ dahdi-linux-2.10.0.1/drivers/dahdi/wcte13xp-base.c	2015-01-26 00:31:17.379212592 +0100
@@ -1849,7 +1849,11 @@
 	clear_bit(INITIALIZED, &wc->bit_flags);
 	disable_irq(wc->xb.pdev->irq);
 
-	smp_mb__after_clear_bit();
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 18, 0)
+ 	smp_mb__after_clear_bit();
+#else
+	smp_mb__after_atomic();
+#endif
 	del_timer_sync(&wc->timer);
 	flush_workqueue(wc->wq);
 
@@ -2725,7 +2729,11 @@
 		return;
 
 	clear_bit(INITIALIZED, &wc->bit_flags);
-	smp_mb__after_clear_bit();
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 18, 0)
+ 	smp_mb__after_clear_bit();
+#else
+	smp_mb__after_atomic();
+#endif
 
 	/* Quiesce DMA engine interrupts */
 	wcxb_stop(&wc->xb);