diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 2023043ce7c0..8f5565bf34cd 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -961,17 +961,31 @@ static void empty(void)
 {
 }
 
-static DECLARE_WORK(floppy_work, NULL);
+static void (*floppy_work_fn)(void);
+
+static void floppy_work_workfn(struct work_struct *work)
+{
+	floppy_work_fn();
+}
+
+static DECLARE_WORK(floppy_work, floppy_work_workfn);
 
 static void schedule_bh(void (*handler)(void))
 {
 	WARN_ON(work_pending(&floppy_work));
 
-	PREPARE_WORK(&floppy_work, (work_func_t)handler);
+	floppy_work_fn = handler;
 	queue_work(floppy_wq, &floppy_work);
 }
 
-static DECLARE_DELAYED_WORK(fd_timer, NULL);
+static void (*fd_timer_fn)(void) = NULL;
+
+static void fd_timer_workfn(struct work_struct *work)
+{
+	fd_timer_fn();
+}
+
+static DECLARE_DELAYED_WORK(fd_timer, fd_timer_workfn);
 
 static void cancel_activity(void)
 {
@@ -982,7 +996,7 @@ static void cancel_activity(void)
 
 /* this function makes sure that the disk stays in the drive during the
  * transfer */
-static void fd_watchdog(struct work_struct *arg)
+static void fd_watchdog(void)
 {
 	debug_dcl(DP->flags, "calling disk change from watchdog\n");
 
@@ -993,7 +1007,7 @@ static void fd_watchdog(struct work_struct *arg)
 		reset_fdc();
 	} else {
 		cancel_delayed_work(&fd_timer);
-		PREPARE_DELAYED_WORK(&fd_timer, fd_watchdog);
+		fd_timer_fn = fd_watchdog;
 		queue_delayed_work(floppy_wq, &fd_timer, HZ / 10);
 	}
 }
@@ -1005,7 +1019,8 @@ static void main_command_interrupt(void)
 }
 
 /* waits for a delay (spinup or select) to pass */
-static int fd_wait_for_completion(unsigned long expires, work_func_t function)
+static int fd_wait_for_completion(unsigned long expires,
+				  void (*function)(void))
 {
 	if (FDCS->reset) {
 		reset_fdc();	/* do the reset during sleep to win time
@@ -1016,7 +1031,7 @@ static int fd_wait_for_completion(unsigned long expires, work_func_t function)
 
 	if (time_before(jiffies, expires)) {
 		cancel_delayed_work(&fd_timer);
-		PREPARE_DELAYED_WORK(&fd_timer, function);
+		fd_timer_fn = function;
 		queue_delayed_work(floppy_wq, &fd_timer, expires - jiffies);
 		return 1;
 	}
@@ -1334,8 +1349,7 @@ static int fdc_dtr(void)
 	 * Pause 5 msec to avoid trouble. (Needs to be 2 jiffies)
 	 */
 	FDCS->dtr = raw_cmd->rate & 3;
-	return fd_wait_for_completion(jiffies + 2UL * HZ / 100,
-				      (work_func_t)floppy_ready);
+	return fd_wait_for_completion(jiffies + 2UL * HZ / 100, floppy_ready);
 }				/* fdc_dtr */
 
 static void tell_sector(void)
@@ -1440,7 +1454,7 @@ static void setup_rw_floppy(void)
 	int flags;
 	int dflags;
 	unsigned long ready_date;
-	work_func_t function;
+	void (*function)(void);
 
 	flags = raw_cmd->flags;
 	if (flags & (FD_RAW_READ | FD_RAW_WRITE))
@@ -1454,9 +1468,9 @@ static void setup_rw_floppy(void)
 		 */
 		if (time_after(ready_date, jiffies + DP->select_delay)) {
 			ready_date -= DP->select_delay;
-			function = (work_func_t)floppy_start;
+			function = floppy_start;
 		} else
-			function = (work_func_t)setup_rw_floppy;
+			function = setup_rw_floppy;
 
 		/* wait until the floppy is spinning fast enough */
 		if (fd_wait_for_completion(ready_date, function))
@@ -1486,7 +1500,7 @@ static void setup_rw_floppy(void)
 		inr = result();
 		cont->interrupt();
 	} else if (flags & FD_RAW_NEED_DISK)
-		fd_watchdog(NULL);
+		fd_watchdog();
 }
 
 static int blind_seek;
@@ -1863,7 +1877,7 @@ static int start_motor(void (*function)(void))
 
 	/* wait_for_completion also schedules reset if needed. */
 	return fd_wait_for_completion(DRS->select_date + DP->select_delay,
-				      (work_func_t)function);
+				      function);
 }
 
 static void floppy_ready(void)
diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c
index 51824d1f23ea..8459e4e7c719 100644
--- a/drivers/block/nvme-core.c
+++ b/drivers/block/nvme-core.c
@@ -993,7 +993,7 @@ static void nvme_abort_cmd(int cmdid, struct nvme_queue *nvmeq)
 		dev_warn(&dev->pci_dev->dev,
 			"I/O %d QID %d timeout, reset controller\n", cmdid,
 								nvmeq->qid);
-		PREPARE_WORK(&dev->reset_work, nvme_reset_failed_dev);
+		dev->reset_workfn = nvme_reset_failed_dev;
 		queue_work(nvme_workq, &dev->reset_work);
 		return;
 	}
@@ -1696,8 +1696,7 @@ static int nvme_kthread(void *data)
 				list_del_init(&dev->node);
 				dev_warn(&dev->pci_dev->dev,
 					"Failed status, reset controller\n");
-				PREPARE_WORK(&dev->reset_work,
-							nvme_reset_failed_dev);
+				dev->reset_workfn = nvme_reset_failed_dev;
 				queue_work(nvme_workq, &dev->reset_work);
 				continue;
 			}
@@ -2406,7 +2405,7 @@ static int nvme_dev_resume(struct nvme_dev *dev)
 		return ret;
 	if (ret == -EBUSY) {
 		spin_lock(&dev_list_lock);
-		PREPARE_WORK(&dev->reset_work, nvme_remove_disks);
+		dev->reset_workfn = nvme_remove_disks;
 		queue_work(nvme_workq, &dev->reset_work);
 		spin_unlock(&dev_list_lock);
 	}
@@ -2435,6 +2434,12 @@ static void nvme_reset_failed_dev(struct work_struct *ws)
 	nvme_dev_reset(dev);
 }
 
+static void nvme_reset_workfn(struct work_struct *work)
+{
+	struct nvme_dev *dev = container_of(work, struct nvme_dev, reset_work);
+	dev->reset_workfn(work);
+}
+
 static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 {
 	int result = -ENOMEM;
@@ -2453,7 +2458,8 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		goto free;
 
 	INIT_LIST_HEAD(&dev->namespaces);
-	INIT_WORK(&dev->reset_work, nvme_reset_failed_dev);
+	dev->reset_workfn = nvme_reset_failed_dev;
+	INIT_WORK(&dev->reset_work, nvme_reset_workfn);
 	dev->pci_dev = pdev;
 	pci_set_drvdata(pdev, dev);
 	result = nvme_set_instance(dev);
@@ -2553,7 +2559,7 @@ static int nvme_resume(struct device *dev)
 	struct nvme_dev *ndev = pci_get_drvdata(pdev);
 
 	if (nvme_dev_resume(ndev) && !work_busy(&ndev->reset_work)) {
-		PREPARE_WORK(&ndev->reset_work, nvme_reset_failed_dev);
+		ndev->reset_workfn = nvme_reset_failed_dev;
 		queue_work(nvme_workq, &ndev->reset_work);
 	}
 	return 0;
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 55cd110a49c4..c204b7d1532c 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -2607,7 +2607,7 @@ int dw_mci_probe(struct dw_mci *host)
 
 	tasklet_init(&host->tasklet, dw_mci_tasklet_func, (unsigned long)host);
 	host->card_workqueue = alloc_workqueue("dw-mci-card",
-			WQ_MEM_RECLAIM | WQ_NON_REENTRANT, 1);
+			WQ_MEM_RECLAIM, 1);
 	if (!host->card_workqueue) {
 		ret = -ENOMEM;
 		goto err_dmaunmap;
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index caddc1b427a9..42a2e06512f2 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -764,7 +764,7 @@ static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
 	/*
 	 * Overwrite TX done handler
 	 */
-	PREPARE_WORK(&rt2x00dev->txdone_work, rt2800usb_work_txdone);
+	INIT_WORK(&rt2x00dev->txdone_work, rt2800usb_work_txdone);
 
 	return 0;
 }
diff --git a/drivers/ps3/ps3-vuart.c b/drivers/ps3/ps3-vuart.c
index fb7300837fee..bc1e5139ba29 100644
--- a/drivers/ps3/ps3-vuart.c
+++ b/drivers/ps3/ps3-vuart.c
@@ -699,8 +699,6 @@ int ps3_vuart_read_async(struct ps3_system_bus_device *dev, unsigned int bytes)
 
 	BUG_ON(!bytes);
 
-	PREPARE_WORK(&priv->rx_list.work.work, ps3_vuart_work);
-
 	spin_lock_irqsave(&priv->rx_list.lock, flags);
 	if (priv->rx_list.bytes_held >= bytes) {
 		dev_dbg(&dev->core, "%s:%d: schedule_work %xh bytes\n",
@@ -1052,7 +1050,7 @@ static int ps3_vuart_probe(struct ps3_system_bus_device *dev)
 	INIT_LIST_HEAD(&priv->rx_list.head);
 	spin_lock_init(&priv->rx_list.lock);
 
-	INIT_WORK(&priv->rx_list.work.work, NULL);
+	INIT_WORK(&priv->rx_list.work.work, ps3_vuart_work);
 	priv->rx_list.work.trigger = 0;
 	priv->rx_list.work.dev = dev;
 
diff --git a/drivers/staging/fwserial/fwserial.c b/drivers/staging/fwserial/fwserial.c
index 8af136e9c9dc..b22142ee5262 100644
--- a/drivers/staging/fwserial/fwserial.c
+++ b/drivers/staging/fwserial/fwserial.c
@@ -2036,6 +2036,13 @@ static void fwserial_auto_connect(struct work_struct *work)
 		schedule_delayed_work(&peer->connect, CONNECT_RETRY_DELAY);
 }
 
+static void fwserial_peer_workfn(struct work_struct *work)
+{
+	struct fwtty_peer *peer = to_peer(work, work);
+
+	peer->workfn(work);
+}
+
 /**
  * fwserial_add_peer - add a newly probed 'serial' unit device as a 'peer'
  * @serial: aggregate representing the specific fw_card to add the peer to
@@ -2100,7 +2107,7 @@ static int fwserial_add_peer(struct fw_serial *serial, struct fw_unit *unit)
 	peer->port = NULL;
 
 	init_timer(&peer->timer);
-	INIT_WORK(&peer->work, NULL);
+	INIT_WORK(&peer->work, fwserial_peer_workfn);
 	INIT_DELAYED_WORK(&peer->connect, fwserial_auto_connect);
 
 	/* associate peer with specific fw_card */
@@ -2702,7 +2709,7 @@ static int fwserial_parse_mgmt_write(struct fwtty_peer *peer,
 
 		} else {
 			peer->work_params.plug_req = pkt->plug_req;
-			PREPARE_WORK(&peer->work, fwserial_handle_plug_req);
+			peer->workfn = fwserial_handle_plug_req;
 			queue_work(system_unbound_wq, &peer->work);
 		}
 		break;
@@ -2731,7 +2738,7 @@ static int fwserial_parse_mgmt_write(struct fwtty_peer *peer,
 			fwtty_err(&peer->unit, "unplug req: busy\n");
 			rcode = RCODE_CONFLICT_ERROR;
 		} else {
-			PREPARE_WORK(&peer->work, fwserial_handle_unplug_req);
+			peer->workfn = fwserial_handle_unplug_req;
 			queue_work(system_unbound_wq, &peer->work);
 		}
 		break;
diff --git a/drivers/staging/fwserial/fwserial.h b/drivers/staging/fwserial/fwserial.h
index 54f7f9b9b212..98b853d4acbc 100644
--- a/drivers/staging/fwserial/fwserial.h
+++ b/drivers/staging/fwserial/fwserial.h
@@ -91,6 +91,7 @@ struct fwtty_peer {
 	struct rcu_head		rcu;
 
 	spinlock_t		lock;
+	work_func_t		workfn;
 	struct work_struct	work;
 	struct peer_work_params work_params;
 	struct timer_list	timer;
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 64ea21971be2..5cbf78d0be25 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1040,7 +1040,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
 		 */
 		if (type == HUB_INIT) {
 			delay = hub_power_on(hub, false);
-			PREPARE_DELAYED_WORK(&hub->init_work, hub_init_func2);
+			INIT_DELAYED_WORK(&hub->init_work, hub_init_func2);
 			schedule_delayed_work(&hub->init_work,
 					msecs_to_jiffies(delay));
 
@@ -1194,7 +1194,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
 
 		/* Don't do a long sleep inside a workqueue routine */
 		if (type == HUB_INIT2) {
-			PREPARE_DELAYED_WORK(&hub->init_work, hub_init_func3);
+			INIT_DELAYED_WORK(&hub->init_work, hub_init_func3);
 			schedule_delayed_work(&hub->init_work,
 					msecs_to_jiffies(delay));
 			return;		/* Continues at init3: below */
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index 6621f8008122..be75b500005d 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -75,6 +75,7 @@ struct afs_call {
 	const struct afs_call_type *type;	/* type of call */
 	const struct afs_wait_mode *wait_mode;	/* completion wait mode */
 	wait_queue_head_t	waitq;		/* processes awaiting completion */
+	work_func_t		async_workfn;
 	struct work_struct	async_work;	/* asynchronous work processor */
 	struct work_struct	work;		/* actual work processor */
 	struct sk_buff_head	rx_queue;	/* received packets */
diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c
index 8ad8c2a0703a..ef943df73b8c 100644
--- a/fs/afs/rxrpc.c
+++ b/fs/afs/rxrpc.c
@@ -644,7 +644,7 @@ static void afs_process_async_call(struct work_struct *work)
 
 		/* we can't just delete the call because the work item may be
 		 * queued */
-		PREPARE_WORK(&call->async_work, afs_delete_async_call);
+		call->async_workfn = afs_delete_async_call;
 		queue_work(afs_async_calls, &call->async_work);
 	}
 
@@ -663,6 +663,13 @@ void afs_transfer_reply(struct afs_call *call, struct sk_buff *skb)
 	call->reply_size += len;
 }
 
+static void afs_async_workfn(struct work_struct *work)
+{
+	struct afs_call *call = container_of(work, struct afs_call, async_work);
+
+	call->async_workfn(work);
+}
+
 /*
  * accept the backlog of incoming calls
  */
@@ -685,7 +692,8 @@ static void afs_collect_incoming_call(struct work_struct *work)
 				return;
 			}
 
-			INIT_WORK(&call->async_work, afs_process_async_call);
+			call->async_workfn = afs_process_async_call;
+			INIT_WORK(&call->async_work, afs_async_workfn);
 			call->wait_mode = &afs_async_incoming_call;
 			call->type = &afs_RXCMxxxx;
 			init_waitqueue_head(&call->waitq);
diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index 69ae03f6eb15..6b9aafed225f 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -87,6 +87,7 @@ struct nvme_dev {
 	struct list_head namespaces;
 	struct kref kref;
 	struct miscdevice miscdev;
+	work_func_t reset_workfn;
 	struct work_struct reset_work;
 	char name[12];
 	char serial[20];
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 704f4f652d0a..532994651684 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -177,17 +177,6 @@ struct execute_work {
 #define DECLARE_DEFERRABLE_WORK(n, f)					\
 	struct delayed_work n = __DELAYED_WORK_INITIALIZER(n, f, TIMER_DEFERRABLE)
 
-/*
- * initialize a work item's function pointer
- */
-#define PREPARE_WORK(_work, _func)					\
-	do {								\
-		(_work)->func = (_func);				\
-	} while (0)
-
-#define PREPARE_DELAYED_WORK(_work, _func)				\
-	PREPARE_WORK(&(_work)->work, (_func))
-
 #ifdef CONFIG_DEBUG_OBJECTS_WORK
 extern void __init_work(struct work_struct *work, int onstack);
 extern void destroy_work_on_stack(struct work_struct *work);
@@ -217,7 +206,7 @@ static inline unsigned int work_static(struct work_struct *work) { return 0; }
 		(_work)->data = (atomic_long_t) WORK_DATA_INIT();	\
 		lockdep_init_map(&(_work)->lockdep_map, #_work, &__key, 0); \
 		INIT_LIST_HEAD(&(_work)->entry);			\
-		PREPARE_WORK((_work), (_func));				\
+		(_work)->func = (_func);				\
 	} while (0)
 #else
 #define __INIT_WORK(_work, _func, _onstack)				\
@@ -225,7 +214,7 @@ static inline unsigned int work_static(struct work_struct *work) { return 0; }
 		__init_work((_work), _onstack);				\
 		(_work)->data = (atomic_long_t) WORK_DATA_INIT();	\
 		INIT_LIST_HEAD(&(_work)->entry);			\
-		PREPARE_WORK((_work), (_func));				\
+		(_work)->func = (_func);				\
 	} while (0)
 #endif
 
@@ -295,17 +284,11 @@ static inline unsigned int work_static(struct work_struct *work) { return 0; }
  * Documentation/workqueue.txt.
  */
 enum {
-	/*
-	 * All wqs are now non-reentrant making the following flag
-	 * meaningless.  Will be removed.
-	 */
-	WQ_NON_REENTRANT	= 1 << 0, /* DEPRECATED */
-
 	WQ_UNBOUND		= 1 << 1, /* not bound to any cpu */
 	WQ_FREEZABLE		= 1 << 2, /* freeze during suspend */
 	WQ_MEM_RECLAIM		= 1 << 3, /* may be used for memory reclaim */
 	WQ_HIGHPRI		= 1 << 4, /* high priority */
-	WQ_CPU_INTENSIVE	= 1 << 5, /* cpu instensive workqueue */
+	WQ_CPU_INTENSIVE	= 1 << 5, /* cpu intensive workqueue */
 	WQ_SYSFS		= 1 << 6, /* visible in sysfs, see wq_sysfs_register() */
 
 	/*
@@ -602,21 +585,6 @@ static inline bool keventd_up(void)
 	return system_wq != NULL;
 }
 
-/*
- * Like above, but uses del_timer() instead of del_timer_sync(). This means,
- * if it returns 0 the timer function may be running and the queueing is in
- * progress.
- */
-static inline bool __deprecated __cancel_delayed_work(struct delayed_work *work)
-{
-	bool ret;
-
-	ret = del_timer(&work->timer);
-	if (ret)
-		work_clear_pending(&work->work);
-	return ret;
-}
-
 /* used to be different but now identical to flush_work(), deprecated */
 static inline bool __deprecated flush_work_sync(struct work_struct *work)
 {
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index 85d9d94c0a3c..c83827e7c324 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -2016,7 +2016,7 @@ static int __init l2tp_init(void)
 	if (rc)
 		goto out;
 
-	l2tp_wq = alloc_workqueue("l2tp", WQ_NON_REENTRANT | WQ_UNBOUND, 0);
+	l2tp_wq = alloc_workqueue("l2tp", WQ_UNBOUND, 0);
 	if (!l2tp_wq) {
 		pr_err("alloc_workqueue failed\n");
 		rc = -ENOMEM;