diff --git a/drivers/edac/edac_device.c b/drivers/edac/edac_device.c
index ca9113e1c1060ad9195d7cba55a35d70ed007f20..a7d2c717d0338582339ce23198b0a440dc1299e4 100644
--- a/drivers/edac/edac_device.c
+++ b/drivers/edac/edac_device.c
@@ -389,7 +389,7 @@ static void del_edac_device_from_global_list(struct edac_device_ctl_info
  */
 static void edac_device_workq_function(struct work_struct *work_req)
 {
-	struct delayed_work *d_work = (struct delayed_work *)work_req;
+	struct delayed_work *d_work = to_delayed_work(work_req);
 	struct edac_device_ctl_info *edac_dev = to_edac_device_ctl_work(d_work);
 
 	mutex_lock(&device_ctls_mutex);
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index 25d66940b4fa333eae0998c502f16936a3613299..335b7ebdb11c535481f785e11add07aef509177b 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -260,7 +260,7 @@ static int edac_mc_assert_error_check_and_clear(void)
  */
 static void edac_mc_workq_function(struct work_struct *work_req)
 {
-	struct delayed_work *d_work = (struct delayed_work *)work_req;
+	struct delayed_work *d_work = to_delayed_work(work_req);
 	struct mem_ctl_info *mci = to_edac_mem_ctl_work(d_work);
 
 	mutex_lock(&mem_ctls_mutex);
diff --git a/drivers/edac/edac_pci.c b/drivers/edac/edac_pci.c
index 5b150aea703a3fb89b8fb0af40d3f29f5dd01a58..30b585b1d60bdcf50b433a93d948cc6b30e88f0c 100644
--- a/drivers/edac/edac_pci.c
+++ b/drivers/edac/edac_pci.c
@@ -233,7 +233,7 @@ EXPORT_SYMBOL_GPL(edac_pci_find);
  */
 static void edac_pci_workq_function(struct work_struct *work_req)
 {
-	struct delayed_work *d_work = (struct delayed_work *)work_req;
+	struct delayed_work *d_work = to_delayed_work(work_req);
 	struct edac_pci_ctl_info *pci = to_edac_pci_ctl_work(d_work);
 	int msec;
 	unsigned long delay;