Merge branch 'for-2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq

* 'for-2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: (33 commits)
  usb: don't use flush_scheduled_work()
  speedtch: don't abuse struct delayed_work
  media/video: don't use flush_scheduled_work()
  media/video: explicitly flush request_module work
  ioc4: use static work_struct for ioc4_load_modules()
  init: don't call flush_scheduled_work() from do_initcalls()
  s390: don't use flush_scheduled_work()
  rtc: don't use flush_scheduled_work()
  mmc: update workqueue usages
  mfd: update workqueue usages
  dvb: don't use flush_scheduled_work()
  leds-wm8350: don't use flush_scheduled_work()
  mISDN: don't use flush_scheduled_work()
  macintosh/ams: don't use flush_scheduled_work()
  vmwgfx: don't use flush_scheduled_work()
  tpm: don't use flush_scheduled_work()
  sonypi: don't use flush_scheduled_work()
  hvsi: don't use flush_scheduled_work()
  xen: don't use flush_scheduled_work()
  gdrom: don't use flush_scheduled_work()
  ...

Fixed up trivial conflict in drivers/media/video/bt8xx/bttv-input.c
as per Tejun.

62 files changed, 196 insertions, 135 deletions

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index f23d6d46b95..0a6a943b377 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -6128,7 +6128,7 @@ static void ata_port_detach(struct ata_port *ap)
 	/* it better be dead now */
 	WARN_ON(!(ap->pflags & ATA_PFLAG_UNLOADED));
 
-	cancel_rearming_delayed_work(&ap->hotplug_task);
+	cancel_delayed_work_sync(&ap->hotplug_task);
 
  skip_eh:
 	if (ap->pmp_link) {
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 484697fef38..af6141bb1ba 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -1320,7 +1320,7 @@ void ata_sff_flush_pio_task(struct ata_port *ap)
 {
 	DPRINTK("ENTER\n");
 
-	cancel_rearming_delayed_work(&ap->sff_pio_task);
+	cancel_delayed_work_sync(&ap->sff_pio_task);
 	ap->hsm_task_state = HSM_ST_IDLE;
 
 	if (ata_msg_ctl(ap))
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 3951020e494..25e4dffa0aa 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -4352,7 +4352,7 @@ static int __init floppy_init(void)
 out_unreg_platform_dev:
 	platform_device_unregister(&floppy_device[drive]);
 out_flush_work:
-	flush_scheduled_work();
+	flush_work_sync(&floppy_work);
 	if (atomic_read(&usage_count))
 		floppy_release_irq_and_dma();
 out_unreg_region:
@@ -4422,7 +4422,7 @@ static int floppy_grab_irq_and_dma(void)
 	 * We might have scheduled a free_irq(), wait it to
 	 * drain first:
 	 */
-	flush_scheduled_work();
+	flush_work_sync(&floppy_work);
 
 	if (fd_request_irq()) {
 		DPRINT("Unable to grab IRQ%d for the floppy driver\n",
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 657873e4328..d7aa39e349a 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -547,7 +547,7 @@ static void xlvbd_release_gendisk(struct blkfront_info *info)
 	spin_unlock_irqrestore(&blkif_io_lock, flags);
 
 	/* Flush gnttab callback work. Must be done with no locks held. */
-	flush_scheduled_work();
+	flush_work_sync(&info->work);
 
 	del_gendisk(info->gd);
 
@@ -596,7 +596,7 @@ static void blkif_free(struct blkfront_info *info, int suspend)
 	spin_unlock_irq(&blkif_io_lock);
 
 	/* Flush gnttab callback work. Must be done with no locks held. */
-	flush_scheduled_work();
+	flush_work_sync(&info->work);
 
 	/* Free resources associated with old device channel. */
 	if (info->ring_ref != GRANT_INVALID_REF) {
diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c
index de65915308f..64a21461c40 100644
--- a/drivers/cdrom/gdrom.c
+++ b/drivers/cdrom/gdrom.c
@@ -837,7 +837,7 @@ probe_fail_no_mem:
 
 static int __devexit remove_gdrom(struct platform_device *devptr)
 {
-	flush_scheduled_work();
+	flush_work_sync(&work);
 	blk_cleanup_queue(gd.gdrom_rq);
 	free_irq(HW_EVENT_GDROM_CMD, &gd);
 	free_irq(HW_EVENT_GDROM_DMA, &gd);
diff --git a/drivers/char/hvsi.c b/drivers/char/hvsi.c
index a2bc885ce60..67a75a502c0 100644
--- a/drivers/char/hvsi.c
+++ b/drivers/char/hvsi.c
@@ -850,8 +850,8 @@ static void hvsi_flush_output(struct hvsi_struct *hp)
 	wait_event_timeout(hp->emptyq, (hp->n_outbuf <= 0), HVSI_TIMEOUT);
 
 	/* 'writer' could still be pending if it didn't see n_outbuf = 0 yet */
-	cancel_delayed_work(&hp->writer);
-	flush_scheduled_work();
+	cancel_delayed_work_sync(&hp->writer);
+	flush_work_sync(&hp->handshaker);
 
 	/*
 	 * it's also possible that our timeout expired and hvsi_write_worker
diff --git a/drivers/char/pcmcia/ipwireless/hardware.c b/drivers/char/pcmcia/ipwireless/hardware.c
index 99cffdab105..0aeb5a38d29 100644
--- a/drivers/char/pcmcia/ipwireless/hardware.c
+++ b/drivers/char/pcmcia/ipwireless/hardware.c
@@ -1729,7 +1729,7 @@ void ipwireless_hardware_free(struct ipw_hardware *hw)
 
 	ipwireless_stop_interrupts(hw);
 
-	flush_scheduled_work();
+	flush_work_sync(&hw->work_rx);
 
 	for (i = 0; i < NL_NUM_OF_ADDRESSES; i++)
 		if (hw->packet_assembler[i] != NULL)
diff --git a/drivers/char/pcmcia/ipwireless/network.c b/drivers/char/pcmcia/ipwireless/network.c
index 9fe53834793..f7daeea598e 100644
--- a/drivers/char/pcmcia/ipwireless/network.c
+++ b/drivers/char/pcmcia/ipwireless/network.c
@@ -430,7 +430,8 @@ void ipwireless_network_free(struct ipw_network *network)
 	network->shutting_down = 1;
 
 	ipwireless_ppp_close(network);
-	flush_scheduled_work();
+	flush_work_sync(&network->work_go_online);
+	flush_work_sync(&network->work_go_offline);
 
 	ipwireless_stop_interrupts(network->hardware);
 	ipwireless_associate_network(network->hardware, NULL);
diff --git a/drivers/char/pcmcia/ipwireless/tty.c b/drivers/char/pcmcia/ipwireless/tty.c
index 1a2c2c3b068..f5eb28b6cb0 100644
--- a/drivers/char/pcmcia/ipwireless/tty.c
+++ b/drivers/char/pcmcia/ipwireless/tty.c
@@ -577,7 +577,7 @@ void ipwireless_tty_free(struct ipw_tty *tty)
 				mutex_unlock(&ttyj->ipw_tty_mutex);
 				tty_hangup(ttyj->linux_tty);
 				/* Wait till the tty_hangup has completed */
-				flush_scheduled_work();
+				flush_work_sync(&ttyj->linux_tty->hangup_work);
 				/* FIXME: Exactly how is the tty object locked here
 				   against a parallel ioctl etc */
 				mutex_lock(&ttyj->ipw_tty_mutex);
diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
index 73f66d03624..79e36c878a4 100644
--- a/drivers/char/sonypi.c
+++ b/drivers/char/sonypi.c
@@ -1434,7 +1434,7 @@ static int __devexit sonypi_remove(struct platform_device *dev)
 	sonypi_disable();
 
 	synchronize_irq(sonypi_device.irq);
-	flush_scheduled_work();
+	flush_work_sync(&sonypi_device.input_work);
 
 	if (useinput) {
 		input_unregister_device(sonypi_device.input_key_dev);
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 7c4133582db..0b3af3fe676 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -986,7 +986,7 @@ int tpm_release(struct inode *inode, struct file *file)
 	struct tpm_chip *chip = file->private_data;
 
 	del_singleshot_timer_sync(&chip->user_read_timer);
-	flush_scheduled_work();
+	flush_work_sync(&chip->work);
 	file->private_data = NULL;
 	atomic_set(&chip->data_pending, 0);
 	kfree(chip->data_buffer);
@@ -1038,7 +1038,7 @@ ssize_t tpm_read(struct file *file, char __user *buf,
 	ssize_t ret_size;
 
 	del_singleshot_timer_sync(&chip->user_read_timer);
-	flush_scheduled_work();
+	flush_work_sync(&chip->work);
 	ret_size = atomic_read(&chip->data_pending);
 	atomic_set(&chip->data_pending, 0);
 	if (ret_size > 0) {	/* relay data */
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 148a322d8f5..934a96a7854 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1472,8 +1472,7 @@ int ttm_bo_device_release(struct ttm_bo_device *bdev)
 	list_del(&bdev->device_list);
 	mutex_unlock(&glob->device_list_mutex);
 
-	if (!cancel_delayed_work(&bdev->wq))
-		flush_scheduled_work();
+	cancel_delayed_work_sync(&bdev->wq);
 
 	while (ttm_bo_delayed_delete(bdev, true))
 		;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
index 41d9a5b73c0..fe096a7cc0d 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
@@ -659,7 +659,7 @@ int vmw_fb_off(struct vmw_private *vmw_priv)
 	par->dirty.active = false;
 	spin_unlock_irqrestore(&par->dirty.lock, flags);
 
-	flush_scheduled_work();
+	flush_delayed_work_sync(&info->deferred_work);
 
 	par->bo_ptr = NULL;
 	ttm_bo_kunmap(&par->map);
diff --git a/drivers/isdn/capi/capidrv.c b/drivers/isdn/capi/capidrv.c
index e54e79d4e2c..92607ed25e2 100644
--- a/drivers/isdn/capi/capidrv.c
+++ b/drivers/isdn/capi/capidrv.c
@@ -2297,6 +2297,7 @@ static int __init capidrv_init(void)
 
 	errcode = capi20_get_profile(0, &profile);
 	if (errcode != CAPI_NOERROR) {
+		unregister_capictr_notifier(&capictr_nb);
 		capi20_release(&global.ap);
 		return -EIO;
 	}
diff --git a/drivers/isdn/capi/kcapi.c b/drivers/isdn/capi/kcapi.c
index 3acf94cc5ac..2b33b2627fc 100644
--- a/drivers/isdn/capi/kcapi.c
+++ b/drivers/isdn/capi/kcapi.c
@@ -38,6 +38,7 @@
 #include <linux/rcupdate.h>
 
 static int showcapimsgs = 0;
+static struct workqueue_struct *kcapi_wq;
 
 MODULE_DESCRIPTION("CAPI4Linux: kernel CAPI layer");
 MODULE_AUTHOR("Carsten Paeth");
@@ -291,7 +292,7 @@ static int notify_push(unsigned int event_type, u32 controller)
 	event->type = event_type;
 	event->controller = controller;
 
-	schedule_work(&event->work);
+	queue_work(kcapi_wq, &event->work);
 	return 0;
 }
 
@@ -408,7 +409,7 @@ void capi_ctr_handle_message(struct capi_ctr *ctr, u16 appl,
 		goto error;
 	}
 	skb_queue_tail(&ap->recv_queue, skb);
-	schedule_work(&ap->recv_work);
+	queue_work(kcapi_wq, &ap->recv_work);
 	rcu_read_unlock();
 
 	return;
@@ -743,7 +744,7 @@ u16 capi20_release(struct capi20_appl *ap)
 
 	mutex_unlock(&capi_controller_lock);
 
-	flush_scheduled_work();
+	flush_workqueue(kcapi_wq);
 	skb_queue_purge(&ap->recv_queue);
 
 	if (showcapimsgs & 1) {
@@ -1285,21 +1286,30 @@ static int __init kcapi_init(void)
 {
 	int err;
 
+	kcapi_wq = alloc_workqueue("kcapi", 0, 0);
+	if (!kcapi_wq)
+		return -ENOMEM;
+
 	register_capictr_notifier(&capictr_nb);
 
 	err = cdebug_init();
-	if (!err)
-		kcapi_proc_init();
-	return err;
+	if (err) {
+		unregister_capictr_notifier(&capictr_nb);
+		destroy_workqueue(kcapi_wq);
+		return err;
+	}
+
+	kcapi_proc_init();
+	return 0;
 }
 
 static void __exit kcapi_exit(void)
 {
         kcapi_proc_exit();
 
-	/* make sure all notifiers are finished */
-	flush_scheduled_work();
+	unregister_capictr_notifier(&capictr_nb);
 	cdebug_exit();
+	destroy_workqueue(kcapi_wq);
 }
 
 module_init(kcapi_init);
diff --git a/drivers/isdn/mISDN/hwchannel.c b/drivers/isdn/mISDN/hwchannel.c
index 307bd6e8988..199f374cf9d 100644
--- a/drivers/isdn/mISDN/hwchannel.c
+++ b/drivers/isdn/mISDN/hwchannel.c
@@ -110,7 +110,7 @@ mISDN_freedchannel(struct dchannel *ch)
 	}
 	skb_queue_purge(&ch->squeue);
 	skb_queue_purge(&ch->rqueue);
-	flush_scheduled_work();
+	flush_work_sync(&ch->workq);
 	return 0;
 }
 EXPORT_SYMBOL(mISDN_freedchannel);
@@ -143,7 +143,7 @@ mISDN_freebchannel(struct bchannel *ch)
 	mISDN_clear_bchannel(ch);
 	skb_queue_purge(&ch->rqueue);
 	ch->rcount = 0;
-	flush_scheduled_work();
+	flush_work_sync(&ch->workq);
 	return 0;
 }
 EXPORT_SYMBOL(mISDN_freebchannel);
diff --git a/drivers/isdn/mISDN/l1oip_core.c b/drivers/isdn/mISDN/l1oip_core.c
index 5b59796ed25..bd526f664a3 100644
--- a/drivers/isdn/mISDN/l1oip_core.c
+++ b/drivers/isdn/mISDN/l1oip_core.c
@@ -1269,6 +1269,8 @@ release_card(struct l1oip *hc)
 	if (timer_pending(&hc->timeout_tl))
 		del_timer(&hc->timeout_tl);
 
+	cancel_work_sync(&hc->workq);
+
 	if (hc->socket_thread)
 		l1oip_socket_close(hc);
 
diff --git a/drivers/leds/leds-wm8350.c b/drivers/leds/leds-wm8350.c
index 5aab32ce4f4..a0452327328 100644
--- a/drivers/leds/leds-wm8350.c
+++ b/drivers/leds/leds-wm8350.c
@@ -276,7 +276,7 @@ static int wm8350_led_remove(struct platform_device *pdev)
 	struct wm8350_led *led = platform_get_drvdata(pdev);
 
 	led_classdev_unregister(&led->cdev);
-	flush_scheduled_work();
+	flush_work_sync(&led->work);
 	wm8350_led_disable(led);
 	regulator_put(led->dcdc);
 	regulator_put(led->isink);
diff --git a/drivers/macintosh/ams/ams-core.c b/drivers/macintosh/ams/ams-core.c
index 2ad62c339cd..399beb1638d 100644
--- a/drivers/macintosh/ams/ams-core.c
+++ b/drivers/macintosh/ams/ams-core.c
@@ -226,7 +226,7 @@ void ams_sensor_detach(void)
 	 * We do this after ams_info.exit(), because an interrupt might
 	 * have arrived before disabling them.
 	 */
-	flush_scheduled_work();
+	flush_work_sync(&ams_info.worker);
 
 	/* Remove device */
 	of_device_unregister(ams_info.of_dev);
diff --git a/drivers/macintosh/rack-meter.c b/drivers/macintosh/rack-meter.c
index 53cce3a5da2..39f660b2a60 100644
--- a/drivers/macintosh/rack-meter.c
+++ b/drivers/macintosh/rack-meter.c
@@ -285,8 +285,8 @@ static void __devinit rackmeter_init_cpu_sniffer(struct rackmeter *rm)
 
 static void __devexit rackmeter_stop_cpu_sniffer(struct rackmeter *rm)
 {
-	cancel_rearming_delayed_work(&rm->cpu[0].sniffer);
-	cancel_rearming_delayed_work(&rm->cpu[1].sniffer);
+	cancel_delayed_work_sync(&rm->cpu[0].sniffer);
+	cancel_delayed_work_sync(&rm->cpu[1].sniffer);
 }
 
 static int __devinit rackmeter_setup(struct rackmeter *rm)
diff --git a/drivers/media/dvb/dvb-core/dvb_net.c b/drivers/media/dvb/dvb-core/dvb_net.c
index 4df42aaae7f..51752a9ef7a 100644
--- a/drivers/media/dvb/dvb-core/dvb_net.c
+++ b/drivers/media/dvb/dvb-core/dvb_net.c
@@ -1329,7 +1329,8 @@ static int dvb_net_remove_if(struct dvb_net *dvbnet, unsigned long num)
 		return -EBUSY;
 
 	dvb_net_stop(net);
-	flush_scheduled_work();
+	flush_work_sync(&priv->set_multicast_list_wq);
+	flush_work_sync(&priv->restart_net_feed_wq);
 	printk("dvb_net: removed network interface %s\n", net->name);
 	unregister_netdev(net);
 	dvbnet->state[num]=0;
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-remote.c b/drivers/media/dvb/dvb-usb/dvb-usb-remote.c
index c6498f536df..23005b3cf30 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb-remote.c
+++ b/drivers/media/dvb/dvb-usb/dvb-usb-remote.c
@@ -313,8 +313,7 @@ int dvb_usb_remote_init(struct dvb_usb_device *d)
 int dvb_usb_remote_exit(struct dvb_usb_device *d)
 {
 	if (d->state & DVB_USB_STATE_REMOTE) {
-		cancel_rearming_delayed_work(&d->rc_query_work);
-		flush_scheduled_work();
+		cancel_delayed_work_sync(&d->rc_query_work);
 		if (d->props.rc.mode == DVB_RC_LEGACY)
 			input_unregister_device(d->input_dev);
 		else
diff --git a/drivers/media/dvb/mantis/mantis_evm.c b/drivers/media/dvb/mantis/mantis_evm.c
index a7b369a439d..9f73c2cfc9e 100644
--- a/drivers/media/dvb/mantis/mantis_evm.c
+++ b/drivers/media/dvb/mantis/mantis_evm.c
@@ -111,7 +111,7 @@ void mantis_evmgr_exit(struct mantis_ca *ca)
 	struct mantis_pci *mantis = ca->ca_priv;
 
 	dprintk(MANTIS_DEBUG, 1, "Mantis Host I/F Event manager exiting");
-	flush_scheduled_work();
+	flush_work_sync(&ca->hif_evm_work);
 	mantis_hif_exit(ca);
 	mantis_pcmcia_exit(ca);
 }
diff --git a/drivers/media/dvb/mantis/mantis_uart.c b/drivers/media/dvb/mantis/mantis_uart.c
index 7d2f2398fa8..97b889e8a34 100644
--- a/drivers/media/dvb/mantis/mantis_uart.c
+++ b/drivers/media/dvb/mantis/mantis_uart.c
@@ -182,5 +182,6 @@ void mantis_uart_exit(struct mantis_pci *mantis)
 {
 	/* disable interrupt */
 	mmwrite(mmread(MANTIS_UART_CTL) & 0xffef, MANTIS_UART_CTL);
+	flush_work_sync(&mantis->uart_work);
 }
 EXPORT_SYMBOL_GPL(mantis_uart_exit);
diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c
index 849cd170b82..91399c94cd1 100644
--- a/drivers/media/video/bt8xx/bttv-driver.c
+++ b/drivers/media/video/bt8xx/bttv-driver.c
@@ -189,8 +189,14 @@ static void request_modules(struct bttv *dev)
 	INIT_WORK(&dev->request_module_wk, request_module_async);
 	schedule_work(&dev->request_module_wk);
 }
+
+static void flush_request_modules(struct bttv *dev)
+{
+	flush_work_sync(&dev->request_module_wk);
+}
 #else
 #define request_modules(dev)
+#define flush_request_modules(dev)
 #endif /* CONFIG_MODULES */
 
 
@@ -4429,6 +4435,9 @@ static void __devexit bttv_remove(struct pci_dev *pci_dev)
 	if (bttv_verbose)
 		printk("bttv%d: unloading\n",btv->c.nr);
 
+	if (bttv_tvcards[btv->c.type].has_dvb)
+		flush_request_modules(btv);
+
 	/* shutdown everything (DMA+IRQs) */
 	btand(~15, BT848_GPIO_DMA_CTL);
 	btwrite(0, BT848_INT_MASK);
diff --git a/drivers/media/video/bt8xx/bttv-input.c b/drivers/media/video/bt8xx/bttv-input.c
index 97793b96060..e8b64bca9db 100644
--- a/drivers/media/video/bt8xx/bttv-input.c
+++ b/drivers/media/video/bt8xx/bttv-input.c
@@ -319,16 +319,13 @@ static void bttv_ir_start(struct bttv *btv, struct bttv_ir *ir)
 
 static void bttv_ir_stop(struct bttv *btv)
 {
-	if (btv->remote->polling) {
+	if (btv->remote->polling)
 		del_timer_sync(&btv->remote->timer);
-		flush_scheduled_work();
-	}
 
 	if (btv->remote->rc5_gpio) {
 		u32 gpio;
 
 		del_timer_sync(&btv->remote->timer);
-		flush_scheduled_work();
 
 		gpio = bttv_gpio_read(&btv->c);
 		bttv_gpio_write(&btv->c, gpio & ~(1 << 4));
diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/m