Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

21 files changed, 323 insertions, 717 deletions

diff --git a/drivers/ieee1394/dv1394.c b/drivers/ieee1394/dv1394.c
index 20814137761..65722117ab6 100644
--- a/drivers/ieee1394/dv1394.c
+++ b/drivers/ieee1394/dv1394.c
@@ -2280,7 +2280,7 @@ static void dv1394_remove_host(struct hpsb_host *host)
 	} while (video);
 
 	if (found_ohci_card)
-		class_device_destroy(hpsb_protocol_class, MKDEV(IEEE1394_MAJOR,
+		device_destroy(hpsb_protocol_class, MKDEV(IEEE1394_MAJOR,
 			   IEEE1394_MINOR_BLOCK_DV1394 * 16 + (host->id << 2)));
 }
 
@@ -2295,9 +2295,9 @@ static void dv1394_add_host(struct hpsb_host *host)
 
 	ohci = (struct ti_ohci *)host->hostdata;
 
-	class_device_create(hpsb_protocol_class, NULL, MKDEV(
-		IEEE1394_MAJOR,	IEEE1394_MINOR_BLOCK_DV1394 * 16 + (id<<2)), 
-		NULL, "dv1394-%d", id);
+	device_create(hpsb_protocol_class, NULL, MKDEV(
+		IEEE1394_MAJOR,	IEEE1394_MINOR_BLOCK_DV1394 * 16 + (id<<2)),
+		"dv1394-%d", id);
 
 	dv1394_init(ohci, DV1394_NTSC, MODE_RECEIVE);
 	dv1394_init(ohci, DV1394_NTSC, MODE_TRANSMIT);
diff --git a/drivers/ieee1394/eth1394.c b/drivers/ieee1394/eth1394.c
index 7c13fb3c167..93362eed94e 100644
--- a/drivers/ieee1394/eth1394.c
+++ b/drivers/ieee1394/eth1394.c
@@ -599,9 +599,7 @@ static void ether1394_add_host(struct hpsb_host *host)
 	}
 
 	SET_MODULE_OWNER(dev);
-
-	/* This used to be &host->device in Linux 2.6.20 and before. */
-	SET_NETDEV_DEV(dev, host->device.parent);
+	SET_NETDEV_DEV(dev, &host->device);
 
 	priv = netdev_priv(dev);
 	INIT_LIST_HEAD(&priv->ip_node_list);
diff --git a/drivers/ieee1394/highlevel.c b/drivers/ieee1394/highlevel.c
index 83a49331275..b6425469b6e 100644
--- a/drivers/ieee1394/highlevel.c
+++ b/drivers/ieee1394/highlevel.c
@@ -483,37 +483,6 @@ int hpsb_unregister_addrspace(struct hpsb_highlevel *hl, struct hpsb_host *host,
 	return retval;
 }
 
-/**
- * hpsb_listen_channel - enable receving a certain isochronous channel
- *
- * Reception is handled through the @hl's iso_receive op.
- */
-int hpsb_listen_channel(struct hpsb_highlevel *hl, struct hpsb_host *host,
-			unsigned int channel)
-{
-	if (channel > 63) {
-		HPSB_ERR("%s called with invalid channel", __FUNCTION__);
-		return -EINVAL;
-	}
-	if (host->iso_listen_count[channel]++ == 0)
-		return host->driver->devctl(host, ISO_LISTEN_CHANNEL, channel);
-	return 0;
-}
-
-/**
- * hpsb_unlisten_channel - disable receving a certain isochronous channel
- */
-void hpsb_unlisten_channel(struct hpsb_highlevel *hl, struct hpsb_host *host,
-			   unsigned int channel)
-{
-	if (channel > 63) {
-		HPSB_ERR("%s called with invalid channel", __FUNCTION__);
-		return;
-	}
-	if (--host->iso_listen_count[channel] == 0)
-		host->driver->devctl(host, ISO_UNLISTEN_CHANNEL, channel);
-}
-
 static void init_hpsb_highlevel(struct hpsb_host *host)
 {
 	INIT_LIST_HEAD(&dummy_zero_addr.host_list);
@@ -570,20 +539,6 @@ void highlevel_host_reset(struct hpsb_host *host)
 	read_unlock_irqrestore(&hl_irqs_lock, flags);
 }
 
-void highlevel_iso_receive(struct hpsb_host *host, void *data, size_t length)
-{
-	unsigned long flags;
-	struct hpsb_highlevel *hl;
-	int channel = (((quadlet_t *)data)[0] >> 8) & 0x3f;
-
-	read_lock_irqsave(&hl_irqs_lock, flags);
-	list_for_each_entry(hl, &hl_irqs, irq_list) {
-		if (hl->iso_receive)
-			hl->iso_receive(host, channel, data, length);
-	}
-	read_unlock_irqrestore(&hl_irqs_lock, flags);
-}
-
 void highlevel_fcp_request(struct hpsb_host *host, int nodeid, int direction,
 			   void *data, size_t length)
 {
diff --git a/drivers/ieee1394/highlevel.h b/drivers/ieee1394/highlevel.h
index 63474f7ee69..eb9fe321e09 100644
--- a/drivers/ieee1394/highlevel.h
+++ b/drivers/ieee1394/highlevel.h
@@ -26,9 +26,7 @@ struct hpsb_address_serve {
 struct hpsb_highlevel {
 	const char *name;
 
-	/* Any of the following pointers can legally be NULL, except for
-	 * iso_receive which can only be NULL when you don't request
-	 * channels. */
+	/* Any of the following pointers can legally be NULL. */
 
 	/* New host initialized.  Will also be called during
 	 * hpsb_register_highlevel for all hosts already installed. */
@@ -43,13 +41,6 @@ struct hpsb_highlevel {
 	 * You can not expect to be able to do stock hpsb_reads. */
 	void (*host_reset)(struct hpsb_host *host);
 
-	/* An isochronous packet was received.  Channel contains the channel
-	 * number for your convenience, it is also contained in the included
-	 * packet header (first quadlet, CRCs are missing).  You may get called
-	 * for channel/host combinations you did not request. */
-	void (*iso_receive)(struct hpsb_host *host, int channel,
-			    quadlet_t *data, size_t length);
-
 	/* A write request was received on either the FCP_COMMAND (direction =
 	 * 0) or the FCP_RESPONSE (direction = 1) register.  The cts arg
 	 * contains the cts field (first byte of data). */
@@ -109,7 +100,6 @@ int highlevel_lock(struct hpsb_host *host, int nodeid, quadlet_t *store,
 int highlevel_lock64(struct hpsb_host *host, int nodeid, octlet_t *store,
 		     u64 addr, octlet_t data, octlet_t arg, int ext_tcode,
 		     u16 flags);
-void highlevel_iso_receive(struct hpsb_host *host, void *data, size_t length);
 void highlevel_fcp_request(struct hpsb_host *host, int nodeid, int direction,
 			   void *data, size_t length);
 
@@ -125,10 +115,6 @@ int hpsb_register_addrspace(struct hpsb_highlevel *hl, struct hpsb_host *host,
 			    struct hpsb_address_ops *ops, u64 start, u64 end);
 int hpsb_unregister_addrspace(struct hpsb_highlevel *hl, struct hpsb_host *host,
 			      u64 start);
-int hpsb_listen_channel(struct hpsb_highlevel *hl, struct hpsb_host *host,
-			unsigned int channel);
-void hpsb_unlisten_channel(struct hpsb_highlevel *hl, struct hpsb_host *host,
-			   unsigned int channel);
 
 void *hpsb_get_hostinfo(struct hpsb_highlevel *hl, struct hpsb_host *host);
 void *hpsb_create_hostinfo(struct hpsb_highlevel *hl, struct hpsb_host *host,
diff --git a/drivers/ieee1394/hosts.c b/drivers/ieee1394/hosts.c
index bd0755c789c..8dd09d85041 100644
--- a/drivers/ieee1394/hosts.c
+++ b/drivers/ieee1394/hosts.c
@@ -154,15 +154,16 @@ struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra,
 
 	memcpy(&h->device, &nodemgr_dev_template_host, sizeof(h->device));
 	h->device.parent = dev;
+	set_dev_node(&h->device, dev_to_node(dev));
 	snprintf(h->device.bus_id, BUS_ID_SIZE, "fw-host%d", h->id);
 
-	h->class_dev.dev = &h->device;
-	h->class_dev.class = &hpsb_host_class;
-	snprintf(h->class_dev.class_id, BUS_ID_SIZE, "fw-host%d", h->id);
+	h->host_dev.parent = &h->device;
+	h->host_dev.class = &hpsb_host_class;
+	snprintf(h->host_dev.bus_id, BUS_ID_SIZE, "fw-host%d", h->id);
 
 	if (device_register(&h->device))
 		goto fail;
-	if (class_device_register(&h->class_dev)) {
+	if (device_register(&h->host_dev)) {
 		device_unregister(&h->device);
 		goto fail;
 	}
@@ -202,7 +203,7 @@ void hpsb_remove_host(struct hpsb_host *host)
 	host->driver = &dummy_driver;
 	highlevel_remove_host(host);
 
-	class_device_unregister(&host->class_dev);
+	device_unregister(&host->host_dev);
 	device_unregister(&host->device);
 }
 
diff --git a/drivers/ieee1394/hosts.h b/drivers/ieee1394/hosts.h
index feb55d03229..e4e8aeb4d77 100644
--- a/drivers/ieee1394/hosts.h
+++ b/drivers/ieee1394/hosts.h
@@ -28,8 +28,6 @@ struct hpsb_host {
 	struct timer_list timeout;
 	unsigned long timeout_interval;
 
-	unsigned char iso_listen_count[64];
-
 	int node_count;      /* number of identified nodes on this bus */
 	int selfid_count;    /* total number of SelfIDs received */
 	int nodes_active;    /* number of nodes with active link layer */
@@ -57,7 +55,7 @@ struct hpsb_host {
 	struct hpsb_host_driver *driver;
 	struct pci_dev *pdev;
 	struct device device;
-	struct class_device class_dev;
+	struct device host_dev;
 
 	struct delayed_work delayed_reset;
 	unsigned config_roms:31;
@@ -99,12 +97,6 @@ enum devctl_cmd {
 	/* Cancel all outstanding async requests without resetting the bus.
 	 * Return void. */
 	CANCEL_REQUESTS,
-
-	/* Start or stop receiving isochronous channel in arg.  Return void.
-	 * This acts as an optimization hint, hosts are not required not to
-	 * listen on unrequested channels. */
-	ISO_LISTEN_CHANNEL,
-	ISO_UNLISTEN_CHANNEL
 };
 
 enum isoctl_cmd {
diff --git a/drivers/ieee1394/ieee1394_core.c b/drivers/ieee1394/ieee1394_core.c
index 8f71b6a06aa..0fc8c6e559e 100644
--- a/drivers/ieee1394/ieee1394_core.c
+++ b/drivers/ieee1394/ieee1394_core.c
@@ -1028,11 +1028,6 @@ void hpsb_packet_received(struct hpsb_host *host, quadlet_t *data, size_t size,
 		handle_incoming_packet(host, tcode, data, size, write_acked);
 		break;
 
-
-	case TCODE_ISO_DATA:
-		highlevel_iso_receive(host, data, size);
-		break;
-
 	case TCODE_CYCLE_START:
 		/* simply ignore this packet if it is passed on */
 		break;
@@ -1316,7 +1311,6 @@ EXPORT_SYMBOL(hpsb_make_streampacket);
 EXPORT_SYMBOL(hpsb_make_lockpacket);
 EXPORT_SYMBOL(hpsb_make_lock64packet);
 EXPORT_SYMBOL(hpsb_make_phypacket);
-EXPORT_SYMBOL(hpsb_make_isopacket);
 EXPORT_SYMBOL(hpsb_read);
 EXPORT_SYMBOL(hpsb_write);
 EXPORT_SYMBOL(hpsb_packet_success);
@@ -1327,8 +1321,6 @@ EXPORT_SYMBOL(hpsb_unregister_highlevel);
 EXPORT_SYMBOL(hpsb_register_addrspace);
 EXPORT_SYMBOL(hpsb_unregister_addrspace);
 EXPORT_SYMBOL(hpsb_allocate_and_register_addrspace);
-EXPORT_SYMBOL(hpsb_listen_channel);
-EXPORT_SYMBOL(hpsb_unlisten_channel);
 EXPORT_SYMBOL(hpsb_get_hostinfo);
 EXPORT_SYMBOL(hpsb_create_hostinfo);
 EXPORT_SYMBOL(hpsb_destroy_hostinfo);
diff --git a/drivers/ieee1394/ieee1394_core.h b/drivers/ieee1394/ieee1394_core.h
index ad526523d0e..21d50f73a21 100644
--- a/drivers/ieee1394/ieee1394_core.h
+++ b/drivers/ieee1394/ieee1394_core.h
@@ -24,9 +24,8 @@ struct hpsb_packet {
 
 	nodeid_t node_id;
 
-	/* Async and Iso types should be clear, raw means send-as-is, do not
-	 * CRC!  Byte swapping shall still be done in this case. */
-	enum { hpsb_async, hpsb_iso, hpsb_raw } __attribute__((packed)) type;
+	/* hpsb_raw = send as-is, do not CRC (but still byte-swap it) */
+	enum { hpsb_async, hpsb_raw } __attribute__((packed)) type;
 
 	/* Okay, this is core internal and a no care for hosts.
 	 * queued   = queued for sending
@@ -37,7 +36,7 @@ struct hpsb_packet {
 		hpsb_unused, hpsb_queued, hpsb_pending, hpsb_complete
 	} __attribute__((packed)) state;
 
-	/* These are core internal. */
+	/* These are core-internal. */
 	signed char tlabel;
 	signed char ack_code;
 	unsigned char tcode;
@@ -62,11 +61,15 @@ struct hpsb_packet {
 	/* Store jiffies for implementing bus timeouts. */
 	unsigned long sendtime;
 
-	/* Sizes are in bytes. *data can be DMA-mapped. */
+	/* Core-internal.  */
 	size_t allocated_data_size;	/* as allocated */
+
+	/* Sizes are in bytes. To be set by caller of hpsb_alloc_packet. */
 	size_t data_size;		/* as filled in */
 	size_t header_size;		/* as filled in, not counting the CRC */
-	quadlet_t *data;
+
+	/* Buffers */
+	quadlet_t *data;		/* can be DMA-mapped */
 	quadlet_t header[5];
 	quadlet_t embedded_data[0];	/* keep as last member */
 };
diff --git a/drivers/ieee1394/ieee1394_transactions.c b/drivers/ieee1394/ieee1394_transactions.c
index 40078ce930c..c39c70a8aa9 100644
--- a/drivers/ieee1394/ieee1394_transactions.c
+++ b/drivers/ieee1394/ieee1394_transactions.c
@@ -89,18 +89,6 @@ static void fill_async_lock(struct hpsb_packet *packet, u64 addr, int extcode,
 	packet->expect_response = 1;
 }
 
-static void fill_iso_packet(struct hpsb_packet *packet, int length, int channel,
-			    int tag, int sync)
-{
-	packet->header[0] = (length << 16) | (tag << 14) | (channel << 8)
-	    | (TCODE_ISO_DATA << 4) | sync;
-
-	packet->header_size = 4;
-	packet->data_size = length;
-	packet->type = hpsb_iso;
-	packet->tcode = TCODE_ISO_DATA;
-}
-
 static void fill_phy_packet(struct hpsb_packet *packet, quadlet_t data)
 {
 	packet->header[0] = data;
@@ -491,24 +479,6 @@ struct hpsb_packet *hpsb_make_phypacket(struct hpsb_host *host, quadlet_t data)
 	return p;
 }
 
-struct hpsb_packet *hpsb_make_isopacket(struct hpsb_host *host,
-					int length, int channel,
-					int tag, int sync)
-{
-	struct hpsb_packet *p;
-
-	p = hpsb_alloc_packet(length);
-	if (!p)
-		return NULL;
-
-	p->host = host;
-	fill_iso_packet(p, length, channel, tag, sync);
-
-	p->generation = get_hpsb_generation(host);
-
-	return p;
-}
-
 /*
  * FIXME - these functions should probably read from / write to user space to
  * avoid in kernel buffers for user space callers
diff --git a/drivers/ieee1394/ieee1394_transactions.h b/drivers/ieee1394/ieee1394_transactions.h
index 86b8ee692ea..d2d5bc3546d 100644
--- a/drivers/ieee1394/ieee1394_transactions.h
+++ b/drivers/ieee1394/ieee1394_transactions.h
@@ -19,8 +19,6 @@ struct hpsb_packet *hpsb_make_lock64packet(struct hpsb_host *host,
 					   nodeid_t node, u64 addr, int extcode,
 					   octlet_t *data, octlet_t arg);
 struct hpsb_packet *hpsb_make_phypacket(struct hpsb_host *host, quadlet_t data);
-struct hpsb_packet *hpsb_make_isopacket(struct hpsb_host *host, int length,
-					int channel, int tag, int sync);
 struct hpsb_packet *hpsb_make_writepacket(struct hpsb_host *host,
 					  nodeid_t node, u64 addr,
 					  quadlet_t *buffer, size_t length);
diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c
index 81b3864d2ba..c4d3d4131f0 100644
--- a/drivers/ieee1394/nodemgr.c
+++ b/drivers/ieee1394/nodemgr.c
@@ -19,6 +19,7 @@
 #include <linux/mutex.h>
 #include <linux/freezer.h>
 #include <asm/atomic.h>
+#include <asm/semaphore.h>
 
 #include "csr.h"
 #include "highlevel.h"
@@ -145,8 +146,6 @@ static struct csr1212_bus_ops nodemgr_csr_ops = {
  * but now we are much simpler because of the LDM.
  */
 
-static DEFINE_MUTEX(nodemgr_serialize);
-
 struct host_info {
 	struct hpsb_host *host;
 	struct list_head list;
@@ -154,7 +153,7 @@ struct host_info {
 };
 
 static int nodemgr_bus_match(struct device * dev, struct device_driver * drv);
-static int nodemgr_uevent(struct class_device *cdev, char **envp, int num_envp,
+static int nodemgr_uevent(struct device *dev, char **envp, int num_envp,
 			  char *buffer, int buffer_size);
 static void nodemgr_resume_ne(struct node_entry *ne);
 static void nodemgr_remove_ne(struct node_entry *ne);
@@ -165,37 +164,38 @@ struct bus_type ieee1394_bus_type = {
 	.match		= nodemgr_bus_match,
 };
 
-static void host_cls_release(struct class_device *class_dev)
+static void host_cls_release(struct device *dev)
 {
-	put_device(&container_of((class_dev), struct hpsb_host, class_dev)->device);
+	put_device(&container_of((dev), struct hpsb_host, host_dev)->device);
 }
 
 struct class hpsb_host_class = {
 	.name		= "ieee1394_host",
-	.release	= host_cls_release,
+	.dev_release	= host_cls_release,
 };
 
-static void ne_cls_release(struct class_device *class_dev)
+static void ne_cls_release(struct device *dev)
 {
-	put_device(&container_of((class_dev), struct node_entry, class_dev)->device);
+	put_device(&container_of((dev), struct node_entry, node_dev)->device);
 }
 
 static struct class nodemgr_ne_class = {
 	.name		= "ieee1394_node",
-	.release	= ne_cls_release,
+	.dev_release	= ne_cls_release,
 };
 
-static void ud_cls_release(struct class_device *class_dev)
+static void ud_cls_release(struct device *dev)
 {
-	put_device(&container_of((class_dev), struct unit_directory, class_dev)->device);
+	put_device(&container_of((dev), struct unit_directory, unit_dev)->device);
 }
 
 /* The name here is only so that unit directory hotplug works with old
- * style hotplug, which only ever did unit directories anyway. */
+ * style hotplug, which only ever did unit directories anyway.
+ */
 static struct class nodemgr_ud_class = {
 	.name		= "ieee1394",
-	.release	= ud_cls_release,
-	.uevent		= nodemgr_uevent,
+	.dev_release	= ud_cls_release,
+	.dev_uevent	= nodemgr_uevent,
 };
 
 static struct hpsb_highlevel nodemgr_highlevel;
@@ -730,11 +730,11 @@ static DEFINE_MUTEX(nodemgr_serialize_remove_uds);
 
 static void nodemgr_remove_uds(struct node_entry *ne)
 {
-	struct class_device *cdev;
+	struct device *dev;
 	struct unit_directory *tmp, *ud;
 
-	/* Iteration over nodemgr_ud_class.children has to be protected by
-	 * nodemgr_ud_class.sem, but class_device_unregister() will eventually
+	/* Iteration over nodemgr_ud_class.devices has to be protected by
+	 * nodemgr_ud_class.sem, but device_unregister() will eventually
 	 * take nodemgr_ud_class.sem too. Therefore pick out one ud at a time,
 	 * release the semaphore, and then unregister the ud. Since this code
 	 * may be called from other contexts besides the knodemgrds, protect the
@@ -744,9 +744,9 @@ static void nodemgr_remove_uds(struct node_entry *ne)
 	for (;;) {
 		ud = NULL;
 		down(&nodemgr_ud_class.sem);
-		list_for_each_entry(cdev, &nodemgr_ud_class.children, node) {
-			tmp = container_of(cdev, struct unit_directory,
-					   class_dev);
+		list_for_each_entry(dev, &nodemgr_ud_class.devices, node) {
+			tmp = container_of(dev, struct unit_directory,
+					   unit_dev);
 			if (tmp->ne == ne) {
 				ud = tmp;
 				break;
@@ -755,7 +755,7 @@ static void nodemgr_remove_uds(struct node_entry *ne)
 		up(&nodemgr_ud_class.sem);
 		if (ud == NULL)
 			break;
-		class_device_unregister(&ud->class_dev);
+		device_unregister(&ud->unit_dev);
 		device_unregister(&ud->device);
 	}
 	mutex_unlock(&nodemgr_serialize_remove_uds);
@@ -772,10 +772,9 @@ static void nodemgr_remove_ne(struct node_entry *ne)
 
 	HPSB_DEBUG("Node removed: ID:BUS[" NODE_BUS_FMT "]  GUID[%016Lx]",
 		   NODE_BUS_ARGS(ne->host, ne->nodeid), (unsigned long long)ne->guid);
-
 	nodemgr_remove_uds(ne);
 
-	class_device_unregister(&ne->class_dev);
+	device_unregister(&ne->node_dev);
 	device_unregister(dev);
 
 	put_device(dev);
@@ -783,7 +782,9 @@ static void nodemgr_remove_ne(struct node_entry *ne)
 
 static int __nodemgr_remove_host_dev(struct device *dev, void *data)
 {
-	nodemgr_remove_ne(container_of(dev, struct node_entry, device));
+	if (dev->bus == &ieee1394_bus_type)
+		nodemgr_remove_ne(container_of(dev, struct node_entry,
+				  device));
 	return 0;
 }
 
@@ -850,14 +851,14 @@ static struct node_entry *nodemgr_create_node(octlet_t guid, struct csr1212_csr
 	snprintf(ne->device.bus_id, BUS_ID_SIZE, "%016Lx",
 		 (unsigned long long)(ne->guid));
 
-	ne->class_dev.dev = &ne->device;
-	ne->class_dev.class = &nodemgr_ne_class;
-	snprintf(ne->class_dev.class_id, BUS_ID_SIZE, "%016Lx",
-		 (unsigned long long)(ne->guid));
+	ne->node_dev.parent = &ne->device;
+	ne->node_dev.class = &nodemgr_ne_class;
+	snprintf(ne->node_dev.bus_id, BUS_ID_SIZE, "%016Lx",
+		(unsigned long long)(ne->guid));
 
 	if (device_register(&ne->device))
 		goto fail_devreg;
-	if (class_device_register(&ne->class_dev))
+	if (device_register(&ne->node_dev))
 		goto fail_classdevreg;
 	get_device(&ne->device);
 
@@ -885,12 +886,12 @@ fail_alloc:
 
 static struct node_entry *find_entry_by_guid(u64 guid)
 {
-	struct class_device *cdev;
+	struct device *dev;
 	struct node_entry *ne, *ret_ne = NULL;
 
 	down(&nodemgr_ne_class.sem);
-	list_for_each_entry(cdev, &nodemgr_ne_class.children, node) {
-		ne = container_of(cdev, struct node_entry, class_dev);
+	list_for_each_entry(dev, &nodemgr_ne_class.devices, node) {
+		ne = container_of(dev, struct node_entry, node_dev);
 
 		if (ne->guid == guid) {
 			ret_ne = ne;
@@ -906,12 +907,12 @@ static struct node_entry *find_entry_by_guid(u64 guid)
 static struct node_entry *find_entry_by_nodeid(struct hpsb_host *host,
 					       nodeid_t nodeid)
 {
-	struct class_device *cdev;
+	struct device *dev;
 	struct node_entry *ne, *ret_ne = NULL;
 
 	down(&nodemgr_ne_class.sem);
-	list_for_each_entry(cdev, &nodemgr_ne_class.children, node) {
-		ne = container_of(cdev, struct node_entry, class_dev);
+	list_for_each_entry(dev, &nodemgr_ne_class.devices, node) {
+		ne = container_of(dev, struct node_entry, node_dev);
 
 		if (ne->host == host && ne->nodeid == nodeid) {
 			ret_ne = ne;
@@ -935,14 +936,14 @@ static void nodemgr_register_device(struct node_entry *ne,
 	snprintf(ud->device.bus_id, BUS_ID_SIZE, "%s-%u",
 		 ne->device.bus_id, ud->id);
 
-	ud->class_dev.dev = &ud->device;
-	ud->class_dev.class = &nodemgr_ud_class;
-	snprintf(ud->class_dev.class_id, BUS_ID_SIZE, "%s-%u",
+	ud->unit_dev.parent = &ud->device;
+	ud->unit_dev.class = &nodemgr_ud_class;
+	snprintf(ud->unit_dev.bus_id, BUS_ID_SIZE, "%s-%u",
 		 ne->device.bus_id, ud->id);
 
 	if (device_register(&ud->device))
 		goto fail_devreg;
-	if (class_device_register(&ud->class_dev))
+	if (device_register(&ud->unit_dev))
 		goto fail_classdevreg;
 	get_device(&ud->device);
 
@@ -1159,7 +1160,7 @@ static void nodemgr_process_root_directory(struct host_info *hi, struct node_ent
 
 #ifdef CONFIG_HOTPLUG
 
-static int nodemgr_uevent(struct class_device *cdev, char **envp, int num_envp,
+static int nodemgr_uevent(struct device *dev, char **envp, int num_envp,
 			  char *buffer, int buffer_size)
 {
 	struct unit_directory *ud;
@@ -1169,10 +1170,10 @@ static int nodemgr_uevent(struct class_device *cdev, char **envp, int num_envp,
 	/* ieee1394:venNmoNspNverN */
 	char buf[8 + 1 + 3 + 8 + 2 + 8 + 2 + 8 + 3 + 8 + 1];
 
-	if (!cdev)
+	if (!dev)
 		return -ENODEV;
 
-	ud = container_of(cdev, struct unit_directory, class_dev);
+	ud = container_of(dev, struct unit_directory, unit_dev);
 
 	if (ud->ne->in_limbo || ud->ignore_driver)
 		return -ENODEV;
@@ -1207,7 +1208,7 @@ do {								\
 
 #else
 
-static int nodemgr_uevent(struct class_device *cdev, char **envp, int num_envp,
+static int nodemgr_uevent(struct device *dev, char **envp, int num_envp,
 			  char *buffer, int buffer_size)
 {
 	return -ENODEV;
@@ -1378,8 +1379,10 @@ static void nodemgr_node_scan(struct host_info *hi, int generation)
 
 static void nodemgr_suspend_ne(struct node_entry *ne)
 {
-	struct class_device *cdev;
+	struct device *dev;
 	struct unit_directory *ud;
+	struct device_driver *drv;
+	int error;
 
 	HPSB_DEBUG("Node suspended: ID:BUS[" NODE_BUS_FMT "]  GUID[%016Lx]",
 		   NODE_BUS_ARGS(ne->host, ne->nodeid), (unsigned long long)ne->guid);
@@ -1388,15 +1391,24 @@ static void nodemgr_suspend_ne(struct node_entry *ne)
 	WARN_ON(device_create_file(&ne->device, &dev_attr_ne_in_limbo));
 
 	down(&nodemgr_ud_class.sem);
-	list_for_each_entry(cdev, &nodemgr_ud_class.children, node) {
-		ud = container_of(cdev, struct unit_directory, class_dev);
+	list_for_each_entry(dev, &nodemgr_ud_class.devices, node) {
+		ud = container_of(dev, struct unit_directory, unit_dev);
 		if (ud->ne != ne)
 			continue;
 
-		if (ud->device.driver &&
-		    (!ud->device.driver->suspend ||
-		      ud->device.driver->suspend(&ud->device, PMSG_SUSPEND)))
+		drv = get_driver(ud->device.driver);
+		if (!drv)
+			continue;
+
+		error = 1; /* release if suspend is not implemented */
+		if (drv->suspend) {
+			down(&ud->device.sem);
+			error = drv->suspend(&ud->device, PMSG_SUSPEND);
+			up(&ud->device.sem);
+		}
+		if (error)
 			device_release_driver(&ud->device);
+		put_driver(drv);
 	}
 	up(&nodemgr_ud_class.sem);
 }
@@ -1404,20 +1416,29 @@ static void nodemgr_suspend_ne(struct node_entry *ne)
 
 static void nodemgr_resume_ne(struct node_entry *ne)
 {
-	struct class_device *cdev;
+	struct device *dev;
 	struct unit_directory *ud;
+	struct device_driver *drv;
 
 	ne->in_limbo = 0;
 	device_remove_file(&ne->device, &dev_attr_ne_in_limbo);
 
 	down(&nodemgr_ud_class.sem);
-	list_for_each_entry(cdev, &nodemgr_ud_class.children, node) {
-		ud = container_of(cdev, struct unit_directory, class_dev);
+	list_for_each_entry(dev, &nodemgr_ud_class.devices, node) {
+		ud = container_of(dev, struct unit_directory, unit_dev);
 		if (ud->ne != ne)
 			continue;
 
-		if (ud->device.driver && ud->device.driver->resume)
-			ud->device.driver->resume(&ud->device);
+		drv = get_driver(ud->device.driver);
+		if (!drv)
+			continue;
+
+		if (drv->resume) {
+			down(&ud->device.sem);
+			drv->resume(&ud->device);
+			up(&ud->device.sem);
+		}
+		put_driver(drv);
 	}
 	up(&nodemgr_ud_class.sem);
 
@@ -1428,23 +1449,32 @@ static void nodemgr_resume_ne(struct node_entry *ne)
 
 static void nodemgr_update_pdrv(struct node_entry *ne)
 {
+	struct device *dev;
 	struct unit_directory *ud;
+	struct device_driver *drv;
 	struct hpsb_protocol_driver *pdrv;
-	struct class_device *cdev;
+	int error;
 
 	down(&nodemgr_ud_class.sem);
-	list_for_each_entry(cdev, &nodemgr_ud_class.children, node) {
-		ud = container_of(cdev, struct unit_directory, class_dev);
+	list_for_each_entry(dev, &nodemgr_ud_class.devices, node) {
+		ud = container_of(dev, struct unit_directory, unit_dev);
 		if (ud->ne != ne)
 			continue;
 
-		if (ud->device.driver) {
-			pdrv = container_of(ud->device.driver,
-					    struct hpsb_protocol_driver,
-					    driver);
-			if (pdrv->update && pdrv->update(ud))
-				device_release_driver(&ud->device);
+		drv = get_driver(ud->device.driver);
+		if (!drv)
+			continue;
+
+		error = 0;
+		pdrv = container_of(drv, struct hpsb_protocol_driver, driver);
+		if (pdrv->update) {
+			down(&ud->device.sem);
+			error = pdrv->update(ud);
+			up(&ud->device.sem);
 		}
+		if (error)
+			device_release_driver(&ud->device);
+		put_driver(drv);
 	}
 	up(&nodemgr_ud_class.sem);
 }
@@ -1509,7 +1539,7 @@ static void nodemgr_probe_ne(struct host_info *hi, struct node_entry *ne, int ge
 static void nodemgr_node_probe(struct host_info *hi, int generation)
 {
 	struct hpsb_host *host = hi->host;
-	struct class_device *cdev;
+	struct device *dev;
 	struct node_entry *ne;
 
 	/* Do some processing of the nodes we've probed. This pulls them
@@ -1522,13 +1552,13 @@ static void nodemgr_node_probe(struct host_info *hi, int generation)
 	 * improvement...) */
 
 	down(&nodemgr_ne_class.sem);
-	list_for_each_entry(cdev, &nodemgr_ne_class.children, node) {
-		ne = container_of(cdev, struct node_entry, class_dev);
+	list_for_each_entry(dev, &nodemgr_ne_class.devices, node) {
+		ne = container_of(dev, struct node_entry, node_dev);
 		if (!ne->needs_probe)
 			nodemgr_probe_ne(hi, ne, generation);
 	}
-	list_for_each_entry(cdev, &nodemgr_ne_class.children, node) {
-		ne = container_of(cdev, struct node_entry, class_dev);
+	list_for_each_entry(dev, &nodemgr_ne_class.devices, node) {
+		ne = container_of(dev, struct node_entry, node_dev);
 		if (ne->needs_probe)
 			nodemgr_probe_ne(hi, ne, generation);
 	}
@@ -1686,18 +1716,12 @@ static int nodemgr_host_thread(void *__hi)
 		if (kthread_should_stop())
 			goto exit;
 
-		if (mutex_lock_interruptible(&nodemgr_serialize)) {
-			if (try_to_freeze())
-				continue;
-			goto exit;
-		}
-
 		/* Pause for 1/4 second in 1/16 second intervals,
 		 * to make sure things settle down. */
 		g = get_hpsb_generation(host);
 		for (i = 0; i < 4 ; i++) {
 			if (msleep_interruptible(63) || kthread_should_stop())
-				goto unlock_exit;
+				goto exit;
 
 			/* Now get the generation in which the node ID's we collect
 			 * are valid.  During the bus scan we will use this generation
@@ -1715,7 +1739,6 @@ static int nodemgr_host_thread(void *__hi)
 		if (!nodemgr_check_irm_capability(host, reset_cycles) ||
 		    !nodemgr_do_irm_duties(host, reset_cycles)) {
 			reset_cycles++;
-			mutex_unlock(&nodemgr_serialize);
 			continue;
 		}
 		reset_cycles = 0;
@@ -1732,11 +1755,7 @@ static int nodemgr_host_thread(void *__hi)
 
 		/* Update some of our sysfs symlinks */
 		nodemgr_update_host_dev_links(host);
-
-		mutex_unlock(&nodemgr_serialize);
 	}
-unlock_exit:
-	mutex_unlock(&nodemgr_serialize);
 exit:
 	HPSB_VERBOSE("NodeMgr: Exiting thread");
 	return 0;
@@ -1756,13 +1775,13 @@ exit:
  */
 int nodemgr_for_each_host(void *data, int (*cb)(struct hpsb_host *, void *))
 {
-	struct class_device *cdev;
+	struct device *dev;
 	struct hpsb_host *host;
 	int error = 0;
 
 	down(&hpsb_host_class.sem);
-	list_for_each_entry(cdev, &hpsb_host_class.children, node) {
-		host = container_of(cdev, struct hpsb_host, class_dev);
+	list_for_each_entry(dev, &hpsb_host_class.devices, node) {
+		host = container_of(dev, struct hpsb_host, host_dev);
 
 		if ((error = cb(host, data)))
 			break;
diff --git a/drivers/ieee1394/nodemgr.h b/drivers/ieee1394/nodemgr.h
index 4530b29d941..919e92e2a95 100644
--- a/drivers/ieee1394/nodemgr.h
+++ b/drivers/ieee1394/nodemgr.h
@@ -84,7 +84,7 @@ struct unit_directory {
 	int length;		/* Number of quadlets */
 
 	struct device device;
-	struct class_device class_dev;
+	struct device unit_dev;
 
 	struct csr1212_keyval *ud_kv;
 	u32 lun;		/* logical unit number immediate value */
@@ -107,7 +107,7 @@ struct node_entry {
 	u32 capabilities;
 
 	struct device device;
-	struct class_device class_dev;
+	struct device node_dev;
 
 	/* Means this node is not attached anymore */
 	int in_limbo;
diff --git a/drivers/ieee1394/ohci1394.c b/drivers/ieee1394/ohci1394.c
index 5dadfd296f7..5667c8102ef 100644
--- a/drivers/ieee1394/ohci1394.c
+++ b/drivers/ieee1394/ohci1394.c
@@ -138,19 +138,6 @@ printk(KERN_INFO "%s: fw-host%d: " fmt "\n" , OHCI1394_DRIVER_NAME, ohci->host->
 #define DBGMSG(fmt, args...) do {} while (0)
 #endif
 
-#ifdef CONFIG_IEEE1394_OHCI_DMA_DEBUG
-#define OHCI_DMA_ALLOC(fmt, args...) \
-	HPSB_ERR("%s(%s)alloc(%d): "fmt, OHCI1394_DRIVER_NAME, __FUNCTION__, \
-		++global_outstanding_dmas, ## args)
-#define OHCI_DMA_FREE(fmt, args...) \
-	HPSB_ERR("%s(%s)free(%d): "fmt, OHCI1394_DRIVER_NAME, __FUNCTION__, \
-		--global_outstanding_dmas, ## args)
-static int global_outstanding_dmas = 0;
-#else
-#define OHCI_DMA_ALLOC(fmt, args...) do {} while (0)
-#define OHCI_DMA_FREE(fmt, args...) do {} while (0)
-#endif
-
 /* print general (card independent) information */
 #define PRINT_G(level, fmt, args...) \
 printk(level "%s: " fmt "\n" , OHCI1394_DRIVER_NAME , ## args)
@@ -170,7 +157,6 @@ static void dma_trm_reset(struct dma_trm_ctx *d);
 static int alloc_dma_rcv_ctx(struct ti_ohci *ohci, struct dma_rcv_ctx *d,
 			     enum context_type type, int ctx, int num_desc,
 			     int buf_size, int split_buf_size, int context_base);
-static void stop_dma_rcv_ctx(struct dma_rcv_ctx *d);
 static void free_dma_rcv_ctx(struct dma_rcv_ctx *d);
 
 static int alloc_dma_trm_ctx(struct ti_ohci *ohci, struct dma_trm_ctx *d,
@@ -533,9 +519,6 @@ static void ohci_initialize(struct ti_ohci *ohci)
 	initialize_dma_trm_ctx(&ohci->at_req_context);
 	initialize_dma_trm_ctx(&ohci->at_resp_context);
 	
-	/* Initialize IR Legacy DMA channel mask */
-	ohci->ir_legacy_channels = 0;
-
 	/* Accept AR requests from all nodes */
 	reg_write(ohci, OHCI1394_AsReqFilterHiSet, 0x80000000);
 
@@ -733,7 +716,6 @@ static void insert_packet(struct ti_ohci *ohci,
                                 pci_map_single(ohci->dev, packet->data,
                                                packet->data_size,
                                                PCI_DMA_TODEVICE));
-			OHCI_DMA_ALLOC("single, block transmit packet");
 
                         d->prg_cpu[idx]->end.branchAddress = 0;
                         d->prg_cpu[idx]->end.status = 0;
@@ -783,7 +765,6 @@ static void insert_packet(struct ti_ohci *ohci,
                 d->prg_cpu[idx]->end.address = cpu_to_le32(
 				pci_map_single(ohci->dev, packet->data,
 				packet->data_size, PCI_DMA_TODEVICE));
-		OHCI_DMA_ALLOC("single, iso transmit packet");
 
                 d->prg_cpu[idx]->end.branchAddress = 0;
                 d->prg_cpu[idx]->end.status = 0;
@@ -884,36 +865,9 @@ static int ohci_transmit(struct hpsb_host *host, struct hpsb_packet *packet)
 		return -EOVERFLOW;
 	}
 
-	/* Decide whether we have an iso, a request, or a response packet */
 	if (packet->type == hpsb_raw)
 		d = &ohci->at_req_context;
-	else if ((packet->tcode == TCODE_ISO_DATA) && (packet->type == hpsb_iso)) {
-		/* The legacy IT DMA context is initialized on first
-		 * use.  However, the alloc cannot be run from
-		 * interrupt context, so we bail out if that is the
-		 * case. I don't see anyone sending ISO packets from
-		 * interrupt context anyway... */
-
-		if (ohci->it_legacy_context.ohci == NULL) {
-			if (in_interrupt()) {
-				PRINT(KERN_ERR,
-				      "legacy IT context cannot be initialized during interrupt");
-				return -EINVAL;
-			}
-
-			if (alloc_dma_trm_ctx(ohci, &ohci->it_legacy_context,
-					      DMA_CTX_ISO, 0, IT_NUM_DESC,
-					      OHCI1394_IsoXmitContextBase) < 0) {
-				PRINT(KERN_ERR,
-				      "error initializing legacy IT context");
-				return -ENOMEM;
-			}
-
-			initialize_dma_trm_ctx(&ohci->it_legacy_context);
-		}
-
-		d = &ohci->it_legacy_context;
-	} else if ((packet->tcode & 0x02) && (packet->tcode != TCODE_ISO_DATA))
+	else if ((packet->tcode & 0x02) && (packet->tcode != TCODE_ISO_DATA))
 		d = &ohci->at_resp_context;
 	else
 		d = &ohci->at_req_context;
@@ -932,9 +886,7 @@ static int ohci_transmit(struct hpsb_host *host, struct hpsb_packet *packet)
 static int ohci_devctl(struct hpsb_host *host, enum devctl_cmd cmd, int arg)
 {
 	struct ti_ohci *ohci = host->hostdata;
-	int retval = 0;
-	unsigned long flags;
-	int phy_reg;
+	int retval = 0, phy_reg;
 
 	switch (cmd) {
 	case RESET_BUS:
@@ -1027,117 +979,6 @@ static int ohci_devctl(struct hpsb_host *host, enum devctl_cmd cmd, int arg)
 		dma_trm_reset(&ohci->at_resp_context);
 		break;
 
-	case ISO_LISTEN_CHANNEL:
-        {
-		u64 mask;
-		struct dma_rcv_ctx *d = &ohci->ir_legacy_context;
-		int ir_legacy_active;
-
-		if (arg<0 || arg>63) {
-			PRINT(KERN_ERR,
-			      "%s: IS0 listen channel %d is out of range",
-			      __FUNCTION__, arg);
-			return -EFAULT;
-		}
-
-		mask = (u64)0x1<<arg;
-
-                spin_lock_irqsave(&ohci->IR_channel_lock, flags);
-
-		if (ohci->ISO_channel_usage & mask) {
-			PRINT(KERN_ERR,
-			      "%s: IS0 listen channel %d is already used",
-			      __FUNCTION__, arg);
-			spin_unlock_irqrestore(&ohci->IR_channel_lock, flags);
-			return -EFAULT;
-		}
-
-		ir_legacy_active = ohci->ir_legacy_channels;
-
-		ohci->ISO_channel_usage |= mask;
-		ohci->ir_legacy_channels |= mask;
-
-                spin_unlock_irqrestore(&ohci->IR_channel_lock, flags);
-
-		if (!ir_legacy_active) {
-			if (ohci1394_register_iso_tasklet(ohci,
-					  &ohci->ir_legacy_tasklet) < 0) {
-				PRINT(KERN_ERR, "No IR DMA context available");
-				return -EBUSY;
-			}
-
-			/* the IR context can be assigned to any DMA context
-			 * by ohci1394_register_iso_tasklet */
-			d->ctx = ohci->ir_legacy_tasklet.context;
-			d->ctrlSet = OHCI1394_IsoRcvContextControlSet +
-				32*d->ctx;
-			d->ctrlClear = OHCI1394_IsoRcvContextControlClear +
-				32*d->ctx;
-			d->cmdPtr = OHCI1394_IsoRcvCommandPtr + 32*d->ctx;
-			d->ctxtMatch = OHCI1394_IsoRcvContextMatch + 32*d->ctx;
-
-			initialize_dma_rcv_ctx(&ohci->ir_legacy_context, 1);
-
-			if (printk_ratelimit())
-				DBGMSG("IR legacy activated");
-		}
-
-                spin_lock_irqsave(&ohci->IR_channel_lock, flags);
-
-		if (arg>31)
-			reg_write(ohci, OHCI1394_IRMultiChanMaskHiSet,
-				  1<<(arg-32));
-		else
-			reg_write(ohci, OHCI1394_IRMultiChanMaskLoSet,
-				  1<<arg);
-
-                spin_unlock_irqrestore(&ohci->IR_channel_lock, flags);
-                DBGMSG("Listening enabled on channel %d", arg);
-                break;
-        }
-	case ISO_UNLISTEN_CHANNEL:
-        {
-		u64 mask;
-
-		if (arg<0 || arg>63) {
-			PRINT(KERN_ERR,
-			      "%s: IS0 unlisten channel %d is out of range",
-			      __FUNCTION__, arg);
-			return -EFAULT;
-		}
-
-		mask = (u64)0x1<<arg;
-
-                spin_lock_irqsave(&ohci->IR_channel_lock, flags);
-
-		if (!(ohci->ISO_channel_usage & mask)) {
-			PRINT(KERN_ERR,
-			      "%s: IS0 unlisten channel %d is not used",
-			      __FUNCTION__, arg);
-			spin_unlock_irqrestore(&ohci->IR_channel_lock, flags);
-			return -EFAULT;
-		}
-
-		ohci->ISO_channel_usage &= ~mask;
-		ohci->ir_legacy_channels &= ~mask;
-
-		if (arg>31)
-			reg_write(ohci, OHCI1394_IRMultiChanMaskHiClear,
-				  1<<(arg-32));
-		else
-			reg_write(ohci, OHCI1394_IRMultiChanMaskLoClear,
-				  1<<arg);
-
-                spin_unlock_irqrestore(&ohci->IR_channel_lock, flags);
-                DBGMSG("Listening disabled on channel %d", arg);
-
-		if (ohci->ir_legacy_channels == 0) {
-			stop_dma_rcv_ctx(&ohci->ir_legacy_context);
-			DBGMSG("ISO legacy receive context stopped");
-		}
-
-                break;
-        }
 	default:
 		PRINT_G(KERN_ERR, "ohci_devctl cmd %d not implemented yet",
 			cmd);
@@ -2869,12 +2710,10 @@ static void dma_trm_tasklet (unsigned long data)
 		list_del_init(&packet->driver_list);
 		hpsb_packet_sent(ohci->host, packet, ack);
 
-		if (datasize) {
+		if (datasize)
 			pci_unmap_single(ohci->dev,
 					 cpu_to_le32(d->prg_cpu[d->sent_ind]->end.address),
 					 datasize, PCI_DMA_TODEVICE);
-			OHCI_DMA_FREE("single Xmit data packet");
-		}
 
 		d->sent_ind = (d->sent_ind+1)%d->num_desc;
 		d->free_prgs++;
@@ -2885,22 +2724,6 @@ static void dma_trm_tasklet (unsigned long data)
 	spin_unlock_irqrestore(&d->lock, flags);
 }
 
-static void stop_dma_rcv_ctx(struct dma_rcv_ctx *d)
-{
-	if (d->ctrlClear) {
-		ohci1394_stop_context(d->ohci, d->ctrlClear, NULL);
-
-		if (d->type == DMA_CTX_ISO) {
-			/* disable interrupts */
-			reg_write(d->ohci, OHCI1394_IsoRecvIntMaskClear, 1 << d->ctx);
-			ohci1394_unregister_iso_tasklet(d->ohci, &d->ohci->ir_legacy_tasklet);
-		} else {
-			tasklet_kill(&d->task);
-		}
-	}
-}
-
-
 static void free_dma_rcv_ctx(struct dma_rcv_ctx *d)
 {
 	int i;
@@ -2913,23 +2736,19 @@ static void free_dma_rcv_ctx(struct dma_rcv_ctx *d)
 
 	if (d->buf_cpu) {
 		for (i=0; i<d->num_desc; i++)
-			if (d->buf_cpu[i] && d->buf_bus[i]) {
+			if (d->buf_cpu[i] && d->buf_bus[i])
 				pci_free_consistent(
 					ohci->dev, d->buf_size,
 					d->buf_cpu[i], d->buf_bus[i]);
-				OHCI_DMA_FREE("consistent dma_rcv buf[%d]", i);
-			}
 		kfree(d->buf_cpu);
 		kfree(d->buf_bus);
 	}
 	if (d->prg_cpu) {
 		for (i=0; i<d->num_desc; i++)
-			if (d->prg_cpu[i] && d->prg_bus[i]) {
-				pci_pool_free(d->prg_pool, d->prg_cpu[i], d->prg_bus[i]);
-				OHCI_DMA_FREE("consistent dma_rcv prg[%d]", i);
-			}
+			if (d->prg_cpu[i] && d->prg_bus[i])
+				pci_pool_free(d->prg_pool, d->prg_cpu[i],
+					      d->prg_bus[i]);
 		pci_pool_destroy(d->prg_pool);
-		OHCI_DMA_FREE("dma_rcv prg pool");
 		kfree(d->prg_cpu);
 		kfree(d->prg_bus);
 	}
@@ -2998,13 +2817,10 @@ alloc_dma_rcv_ctx(struct ti_ohci *ohci, struct dma_rcv_ctx *d,
 	}
 	num_allocs++;
 
-	OHCI_DMA_ALLOC("dma_rcv prg pool");
-
 	for (i=0; i<d->num_desc; i++) {
 		d->buf_cpu[i] = pci_alloc_consistent(ohci->dev,
 						     d->buf_size,
 						     d->buf_bus+i);
-		OHCI_DMA_ALLOC("consistent dma_rcv buf[%d]", i);
 
 		if (d->buf_cpu[i] != NULL) {
 			memset(d->buf_cpu[i], 0, d->buf_size);
@@ -3016,7 +2832,6 @@ alloc_dma_rcv_ctx(struct ti_ohci *ohci, struct dma_rcv_ctx *d,
 		}
 
 		d->prg_cpu[i] = pci_pool_alloc(d->prg_pool, GFP_KERNEL, d->prg_bus+i);
-		OHCI_DMA_ALLOC("pool dma_rcv prg[%d]", i);
 
                 if (d->prg_cpu[i] != NULL) {
                         memset(d->prg_cpu[i], 0, sizeof(struct dma_cmd));
@@ -3030,18 +2845,11 @@ alloc_dma_rcv_ctx(struct ti_ohci *ohci, struct dma_rcv_ctx *d,
 
         spin_lock_init(&d->lock);
 
-	if (type == DMA_CTX_ISO) {
-		ohci1394_init_iso_tasklet(&ohci->ir_legacy_tasklet,
-					  OHCI_ISO_MULTICHANNEL_RECEIVE,
-					  dma_rcv_tasklet, (unsigned long) d);
-	} else {
-		d->ctrlSet = context_base + OHCI1394_ContextControlSet;
-		d->ctrlClear = context_base + OHCI1394_ContextControlClear;
-		d->cmdPtr = context_base + OHCI1394_ContextCommandPtr;
-
-		tasklet_init (&d->task, dma_rcv_tasklet, (unsigned long) d);
-	}
+	d->ctrlSet = context_base + OHCI1394_ContextControlSet;
+	d->ctrlClear = context_base + OHCI1394_ContextControlClear;
+	d->cmdPtr = context_base + OHCI1394_ContextCommandPtr;
 
+	tasklet_init(&d->task, dma_rcv_tasklet, (unsigned long) d);
 	return 0;
 }
 
@@ -3057,12 +2865,10 @@ static void free_dma_trm_ctx(struct dma_trm_ctx *d)
 
 	if (d->prg_cpu) {
 		for (i=0; i<d->num_desc; i++)
-			if (d->prg_cpu[i] && d->prg_bus[i]) {
-				pci_pool_free(d->prg_pool, d->prg_cpu[i], d->prg_bus[i]);
-				OHCI_DMA_FREE("pool dma_trm prg[%d]", i);
-			}
+			if (d->prg_cpu[i] && d->prg_bus[i])
+				pci_pool_free(d->prg_pool, d->prg_cpu[i],
+					      d->prg_bus[i]);
 		pci_pool_destroy(d->prg_pool);
-		OHCI_DMA_FREE("dma_trm prg pool");
 		kfree(d->prg_cpu);
 		kfree(d->prg_bus);
 	}
@@ -3108,11 +2914,8 @@ alloc_dma_trm_ctx(struct ti_ohci *ohci, struct dma_trm_ctx *d,
 	}
 	num_allocs++;
 
-	OHCI_DMA_ALLOC("dma_rcv prg pool");
-
 	for (i = 0; i < d->num_desc; i++) {
 		d->prg_cpu[i] = pci_pool_alloc(d->prg_pool, GFP_KERNEL, d->prg_bus+i);
-		OHCI_DMA_ALLOC("pool dma_trm prg[%d]", i);
 
                 if (d->prg_cpu[i] != NULL) {
                         memset(d->prg_cpu[i], 0, sizeof(struct at_dma_prg));
@@ -3127,28 +2930,10 @@ alloc_dma_trm_ctx(struct ti_ohci *ohci, struct dma_trm_ctx *d,
         spin_lock_init(&d->lock);
 
 	/* initialize tasklet */
-	if (type == DMA_CTX_ISO) {
-		ohci1394_init_iso_tasklet(&ohci->it_legacy_tasklet, OHCI_ISO_TRANSMIT,
-					  dma_trm_tasklet, (unsigned long) d);
-		if (ohci1394_register_iso_tasklet(ohci,
-						  &ohci->it_legacy_tasklet) < 0) {
-			PRINT(KERN_ERR, "No IT DMA context available");
-			free_dma_trm_ctx(d);
-			return -EBUSY;
-		}
-
-		/* IT can be assigned to any context by register_iso_tasklet */
-		d->ctx = ohci->it_legacy_tasklet.context;
-		d->ctrlSet = OHCI1394_IsoXmitContextControlSet + 16 * d->ctx;
-		d->ctrlClear = OHCI1394_IsoXmitContextControlClear + 16 * d->ctx;
-		d->cmdPtr = OHCI1394_IsoXmitCommandPtr + 16 * d->ctx;
-	} else {
-		d->ctrlSet = context_base + OHCI1394_ContextControlSet;
-		d->ctrlClear = context_base + OHCI1394_ContextControlClear;
-		d->cmdPtr = context_base + OHCI1394_ContextCommandPtr;
-		tasklet_init (&d->task, dma_trm_tasklet, (unsigned long)d);
-	}
-
+	d->ctrlSet = context_base + OHCI1394_ContextControlSet;
+	d->ctrlClear = context_base + OHCI1394_ContextControlClear;
+	d->cmdPtr = context_base + OHCI1394_ContextCommandPtr;
+	tasklet_init(&d->task, dma_trm_tasklet, (unsigned long)d);
 	return 0;
 }
 
@@ -3294,7 +3079,6 @@ static int __devinit ohci1394_pci_probe(struct pci_dev *dev,
 	ohci->csr_config_rom_cpu =
 		pci_alloc_consistent(ohci->dev, OHCI_CONFIG_ROM_LEN,
 				     &ohci->csr_config_rom_bus);
-	OHCI_DMA_ALLOC("consistent csr_config_rom");
 	if (ohci->csr_config_rom_cpu == NULL)
 		FAIL(-ENOMEM, "Failed to allocate buffer config rom");
 	ohci->init_state = OHCI_INIT_HAVE_CONFIG_ROM_BUFFER;
@@ -3303,8 +3087,6 @@ static int __devinit ohci1394_pci_probe(struct pci_dev *dev,
 	ohci->selfid_buf_cpu =
 		pci_alloc_consistent(ohci->dev, OHCI1394_SI_DMA_BUF_SIZE,
                       &ohci->selfid_buf_bus);
-	OHCI_DMA_ALLOC("consistent selfid_buf");
-
 	if (ohci->selfid_buf_cpu == NULL)
 		FAIL(-ENOMEM, "Failed to allocate DMA buffer for self-id packets");
 	ohci->init_state = OHCI_INIT_HAVE_SELFID_BUFFER;
@@ -3377,20 +3159,6 @@ static int __devinit ohci1394_pci_probe(struct pci_dev *dev,
 	ohci->ISO_channel_usage = 0;
         spin_lock_init(&ohci->IR_channel_lock);
 
-	/* Allocate the IR DMA context right here so we don't have
-	 * to do it in interrupt path - note that this doesn't
-	 * waste much memory and avoids the jugglery required to
-	 * allocate it in IRQ path. */
-	if (alloc_dma_rcv_ctx(ohci, &ohci->ir_legacy_context,
-			      DMA_CTX_ISO, 0, IR_NUM_DESC,
-			      IR_BUF_SIZE, IR_SPLIT_BUF_SIZE,
-			      OHCI1394_IsoRcvContextBase) < 0) {
-		FAIL(-ENOMEM, "Cannot allocate IR Legacy DMA context");
-	}
-
-	/* We hopefully don't have to pre-allocate IT DMA like we did
-	 * for IR DMA above. Allocate it on-demand and mark inactive. */
-	ohci->it_legacy_context.ohci = NULL;
 	spin_lock_init(&ohci->event_lock);
 
 	/*
@@ -3483,20 +3251,16 @@ static void ohci1394_pci_remove(struct pci_dev *pdev)
 		free_dma_rcv_ctx(&ohci->ar_resp_context);
 		free_dma_trm_ctx(&ohci->at_req_context);
 		free_dma_trm_ctx(&ohci->at_resp_context);
-		free_dma_rcv_ctx(&ohci->ir_legacy_context);
-		free_dma_trm_ctx(&ohci->it_legacy_context);
 
 	case OHCI_INIT_HAVE_SELFID_BUFFER:
 		pci_free_consistent(ohci->dev, OHCI1394_SI_DMA_BUF_SIZE,
 				    ohci->selfid_buf_cpu,
 				    ohci->selfid_buf_bus);
-		OHCI_DMA_FREE("consistent selfid_buf");
 
 	case OHCI_INIT_HAVE_CONFIG_ROM_BUFFER:
 		pci_free_consistent(ohci->dev, OHCI_CONFIG_ROM_LEN,
 				    ohci->csr_config_rom_cpu,
 				    ohci->csr_config_rom_bus);
-		OHCI_DMA_FREE("consistent csr_config_rom");
 
 	case OHCI_INIT_HAVE_IOMAPPING:
 		iounmap(ohci->registers);
diff --git a/drivers/ieee1394/ohci1394.h b/drivers/ieee1394/ohci1394.h
index f1ad539e7c1..4320bf01049 100644
--- a/drivers/ieee1394/ohci1394.h
+++ b/drivers/ieee1394/ohci1394.h
@@ -190,23 +190,10 @@ struct ti_ohci {
 	unsigned long ir_multichannel_used; /* ditto */
         spinlock_t IR_channel_lock;
 
-	/* iso receive (legacy API) */
-	u64 ir_legacy_channels; /* note: this differs from ISO_channel_usage;
-				   it only accounts for channels listened to
-				   by the legacy API, so that we can know when
-				   it is safe to free the legacy API context */
-
-	struct dma_rcv_ctx ir_legacy_context;
-	struct ohci1394_iso_tasklet ir_legacy_tasklet;
-
         /* iso transmit */
 	int nb_iso_xmit_ctx;
 	unsigned long it_ctx_usage; /* use test_and_set_bit() for atomicity */
 
-	/* iso transmit (legacy API) */
-	struct dma_trm_ctx it_legacy_context;
-	struct ohci1394_iso_tasklet it_legacy_tasklet;
-
         u64 ISO_channel_usage;
 
         /* IEEE-1394 part follows */
@@ -221,7 +208,6 @@ struct ti_ohci {
 
 	/* Tasklets for iso receive and transmit, used by video1394
 	 * and dv1394 */
-
 	struct list_head iso_tasklet_list;
 	spinlock_t iso_tasklet_list_lock;
 
diff --git a/drivers/ieee1394/pcilynx.c b/drivers/ieee1394/pcilynx.c
index 0742befe922..d1a5bcdb5e0 100644
--- a/drivers/ieee1394/pcilynx.c
+++ b/drivers/ieee1394/pcilynx.c
@@ -477,7 +477,11 @@ static void send_next(struct ti_lynx *lynx, int what)
         struct lynx_send_data *d;
         struct hpsb_packet *packet;
 
+#if 0 /* has been removed from ieee1394 core */
         d = (what == hpsb_iso ? &lynx->iso_send : &lynx->async);
+#else
+	d = &lynx->async;
+#endif
         if (!list_empty(&d->pcl_queue)) {
                 PRINT(KERN_ERR, lynx->id, "trying to queue a new packet in nonempty fifo");
                 BUG();
@@ -511,9 +515,11 @@ static void send_next(struct ti_lynx *lynx, int what)
         case hpsb_async:
                 pcl.buffer[0].control |= PCL_CMD_XMT;
                 break;
+#if 0 /* has been removed from ieee1394 core */
         case hpsb_iso:
                 pcl.buffer[0].control |= PCL_CMD_XMT | PCL_ISOMODE;
                 break;
+#endif
         case hpsb_raw:
                 pcl.buffer[0].control |= PCL_CMD_UNFXMT;
                 break;
@@ -542,9 +548,11 @@ static int lynx_transmit(struct hpsb_host *host, struct hpsb_packet *packet)
         case hpsb_raw:
                 d = &lynx->async;
                 break;
+#if 0 /* has been removed from ieee1394 core */
         case hpsb_iso:
                 d = &lynx->iso_send;
                 break;
+#endif
         default:
                 PRINT(KERN_ERR, lynx->id, "invalid packet type %d",
                       packet->type);
@@ -797,7 +805,7 @@ static int lynx_devctl(struct hpsb_host *host, enum devctl_cmd cmd, int arg)
 		}
 
                 break;
-
+#if 0 /* has been removed from ieee1394 core */
         case ISO_LISTEN_CHANNEL:
                 spin_lock_irqsave(&lynx->iso_rcv.lock, flags);
 
@@ -819,7 +827,7 @@ static int lynx_devctl(struct hpsb_host *host, enum devctl_cmd cmd, int arg)
 
                 spin_unlock_irqrestore(&lynx->iso_rcv.lock, flags);
                 break;
-
+#endif
         default:
                 PRINT(KERN_ERR, lynx->id, "unknown devctl command %d", cmd);
                 retval = -1;
@@ -1009,11 +1017,11 @@ static irqreturn_t lynx_irq_handler(int irq, void *dev_id)
                                 pci_unmap_single(lynx->dev, lynx->iso_send.data_dma,
                                                  packet->data_size, PCI_DMA_TODEVICE);
                         }
-
+#if 0 /* has been removed from ieee1394 core */
                         if (!list_empty(&lynx->iso_send.queue)) {
                                 send_next(lynx, hpsb_iso);
                         }
-
+#endif
                         spin_unlock(&lynx->iso_send.queue_lock);
 
                         if (pcl.pcl_status & DMA_CHAN_STAT_PKTCMPL) {
diff --git a/drivers/ieee1394/raw1394-private.h b/drivers/ieee1394/raw1394-private.h
index 50daabf6e5f..a06aaad5b44 100644
--- a/drivers/ieee1394/raw1394-private.h
+++ b/drivers/ieee1394/raw1394-private.h
@@ -36,11 +36,6 @@ struct file_info {
 
         u8 __user *fcp_buffer;
 
-	/* old ISO API */
-        u64 listen_channels;
-        quadlet_t __user *iso_buffer;
-        size_t iso_buffer_length;
-
         u8 notification; /* (busreset-notification) RAW1394_NOTIFY_OFF/ON */
 
 	/* new rawiso API */
diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c
index f1d05eeb9f5..336e5ff4cfc 100644
--- a/drivers/ieee1394/raw1394.c
+++ b/drivers/ieee1394/raw1394.c
@@ -98,21 +98,6 @@ static struct hpsb_address_ops arm_ops = {
 
 static void queue_complete_cb(struct pending_request *req);
 
-#include <asm/current.h>
-static void print_old_iso_deprecation(void)
-{
-	static pid_t p;
-
-	if (p == current->pid)
-		return;
-	p = current->pid;
-	printk(KERN_WARNING "raw1394: WARNING - Program \"%s\" uses unsupported"
-	       " isochronous request types which will be removed in a next"
-	       " kernel release\n", current->comm);
-	printk(KERN_WARNING "raw1394: Update your software to use libraw1394's"
-	       " newer interface\n");
-}
-
 static struct pending_request *__alloc_pending_request(gfp_t flags)
 {
 	struct pending_request *req;
@@ -297,67 +282,6 @@ static void host_reset(struct hpsb_host *host)
 	spin_unlock_irqrestore(&host_info_lock, flags);
 }
 
-static void iso_receive(struct hpsb_host *host, int channel, quadlet_t * data,
-			size_t length)
-{
-	unsigned long flags;
-	struct host_info *hi;
-	struct file_info *fi;
-	struct pending_request *req, *req_next;
-	struct iso_block_store *ibs = NULL;
-	LIST_HEAD(reqs);
-
-	if ((atomic_read(&iso_buffer_size) + length) > iso_buffer_max) {
-		HPSB_INFO("dropped iso packet");
-		return;
-	}
-
-	spin_lock_irqsave(&host_info_lock, flags);
-	hi = find_host_info(host);
-
-	if (hi != NULL) {
-		list_for_each_entry(fi, &hi->file_info_list, list) {
-			if (!(fi->listen_channels & (1ULL << channel)))
-				continue;
-
-			req = __alloc_pending_request(GFP_ATOMIC);
-			if (!req)
-				break;
-
-			if (!ibs) {
-				ibs = kmalloc(sizeof(*ibs) + length,
-					      GFP_ATOMIC);
-				if (!ibs) {
-					kfree(req);
-					break;
-				}
-
-				atomic_add(length, &iso_buffer_size);
-				atomic_set(&ibs->refcount, 0);
-				ibs->data_size = length;
-				memcpy(ibs->data, data, length);
-			}
-
-			atomic_inc(&ibs->refcount);
-
-			req->file_info = fi;
-			req->ibs = ibs;
-			req->data = ibs->data;
-			req->req.type = RAW1394_REQ_ISO_RECEIVE;
-			req->req.generation = get_hpsb_generation(host);
-			req->req.misc = 0;
-			req->req.recvb = ptr2int(fi->iso_buffer);
-			req->req.length = min(length, fi->iso_buffer_length);
-
-			list_add_tail(&req->list, &reqs);
-		}
-	}
-	spin_unlock_irqrestore(&host_info_lock, flags);
-
-	list_for_each_entry_safe(req, req_next, &reqs, list)
-	    queue_complete_req(req);
-}
-
 static void fcp_request(struct hpsb_host *host, int nodeid, int direction,
 			int cts, u8 * data, size_t length)
 {
@@ -434,7 +358,11 @@ struct compat_raw1394_req {
 
 	__u64 sendb;
 	__u64 recvb;
-} __attribute__((packed));
+}
+#if defined(CONFIG_X86_64) || defined(CONFIG_IA64)
+__attribute__((packed))
+#endif
+;
 
 static const char __user *raw1394_compat_write(const char __user *buf)
 {
@@ -459,7 +387,7 @@ static const char __user *raw1394_compat_write(const char __user *buf)
 static int
 raw1394_compat_read(const char __user *buf, struct raw1394_request *r)
 {
-	struct compat_raw1394_req __user *cr = (typeof(cr)) r;
+	struct compat_raw1394_req __user *cr = (typeof(cr)) buf;
 	if (!access_ok(VERIFY_WRITE, cr, sizeof(struct compat_raw1394_req)) ||
 	    P(type) ||
 	    P(error) ||
@@ -587,7 +515,7 @@ static int state_opened(struct file_info *fi, struct pending_request *req)
 
 	req->req.length = 0;
 	queue_complete_req(req);
-	return sizeof(struct raw1394_request);
+	return 0;
 }
 
 static int state_initialized(struct file_info *fi, struct pending_request *req)
@@ -601,7 +529,7 @@ static int state_initialized(struct file_info *fi, struct pending_request *req)
 		req->req.generation = atomic_read(&internal_generation);
 		req->req.length = 0;
 		queue_complete_req(req);
-		return sizeof(struct raw1394_request);
+		return 0;
 	}
 
 	switch (req->req.type) {
@@ -673,44 +601,7 @@ out_set_card:
 	}
 
 	queue_complete_req(req);
-	return sizeof(struct raw1394_request);
-}
-
-static void handle_iso_listen(struct file_info *fi, struct pending_request *req)
-{
-	int channel = req->req.misc;
-
-	if ((channel > 63) || (channel < -64)) {
-		req->req.error = RAW1394_ERROR_INVALID_ARG;
-	} else if (channel >= 0) {
-		/* allocate channel req.misc */
-		if (fi->listen_channels & (1ULL << channel)) {
-			req->req.error = RAW1394_ERROR_ALREADY;
-		} else {
-			if (hpsb_listen_channel
-			    (&raw1394_highlevel, fi->host, channel)) {
-				req->req.error = RAW1394_ERROR_ALREADY;
-			} else {
-				fi->listen_channels |= 1ULL << channel;
-				fi->iso_buffer = int2ptr(req->req.recvb);
-				fi->iso_buffer_length = req->req.length;
-			}
-		}
-	} else {
-		/* deallocate channel (one's complement neg) req.misc */
-		channel = ~channel;
-
-		if (fi->listen_channels & (1ULL << channel)) {
-			hpsb_unlisten_channel(&raw1394_highlevel, fi->host,
-					      channel);
-			fi->listen_channels &= ~(1ULL << channel);
-		} else {
-			req->req.error = RAW1394_ERROR_INVALID_ARG;
-		}
-	}
-
-	req->req.length = 0;
-	queue_complete_req(req);
+	return 0;
 }
 
 static void handle_fcp_listen(struct file_info *fi, struct pending_request *req)
@@ -865,7 +756,7 @@ static int handle_async_request(struct file_info *fi,
 	if (req->req.error) {
 		req->req.length = 0;
 		queue_complete_req(req);
-		return sizeof(struct raw1394_request);
+		return 0;
 	}
 
 	hpsb_set_packet_complete_task(packet,
@@ -883,51 +774,7 @@ static int handle_async_request(struct file_info *fi,
 		hpsb_free_tlabel(packet);
 		queue_complete_req(req);
 	}
-	return sizeof(struct raw1394_request);
-}
-
-static int handle_iso_send(struct file_info *fi, struct pending_request *req,
-			   int channel)
-{
-	unsigned long flags;
-	struct hpsb_packet *packet;
-
-	packet = hpsb_make_isopacket(fi->host, req->req.length, channel & 0x3f,
-				     (req->req.misc >> 16) & 0x3,
-				     req->req.misc & 0xf);
-	if (!packet)
-		return -ENOMEM;
-
-	packet->speed_code = req->req.address & 0x3;
-
-	req->packet = packet;
-
-	if (copy_from_user(packet->data, int2ptr(req->req.sendb),
-			   req->req.length)) {
-		req->req.error = RAW1394_ERROR_MEMFAULT;
-		req->req.length = 0;
-		queue_complete_req(req);
-		return sizeof(struct raw1394_request);
-	}
-
-	req->req.length = 0;
-	hpsb_set_packet_complete_task(packet,
-				      (void (*)(void *))queue_complete_req,
-				      req);
-
-	spin_lock_irqsave(&fi->reqlists_lock, flags);
-	list_add_tail(&req->list, &fi->req_pending);
-	spin_unlock_irqrestore(&fi->reqlists_lock, flags);
-
-	/* Update the generation of the packet just before sending. */
-	packet->generation = req->req.generation;
-
-	if (hpsb_send_packet(packet) < 0) {
-		req->req.error = RAW1394_ERROR_SEND_ERROR;
-		queue_complete_req(req);
-	}
-
-	return sizeof(struct raw1394_request);
+	return 0;
 }
 
 static int handle_async_send(struct file_info *fi, struct pending_request *req)
@@ -943,7 +790,7 @@ static int handle_async_send(struct file_info *fi, struct pending_request *req)
 		req->req.error = RAW1394_ERROR_INVALID_ARG;
 		req->req.length = 0;
 		queue_complete_req(req);
-		return sizeof(struct raw1394_request);
+		return 0;
 	}
 
 	data_size = req->req.length - header_length;
@@ -957,7 +804,7 @@ static int handle_async_send(struct file_info *fi, struct pending_request *req)
 		req->req.error = RAW1394_ERROR_MEMFAULT;
 		req->req.length = 0;
 		queue_complete_req(req);
-		return sizeof(struct raw1394_request);
+		return 0;
 	}
 
 	if (copy_from_user
@@ -966,7 +813,7 @@ static int handle_async_send(struct file_info *fi, struct pending_request *req)
 		req->req.error = RAW1394_ERROR_MEMFAULT;
 		req->req.length = 0;
 		queue_complete_req(req);
-		return sizeof(struct raw1394_request);
+		return 0;
 	}
 
 	packet->type = hpsb_async;
@@ -994,7 +841,7 @@ static int handle_async_send(struct file_info *fi, struct pending_request *req)
 		queue_complete_req(req);
 	}
 
-	return sizeof(struct raw1394_request);
+	return 0;
 }
 
 static int arm_read(struct hpsb_host *host, int nodeid, quadlet_t * buffer,
@@ -1869,7 +1716,7 @@ static int arm_register(struct file_info *fi, struct pending_request *req)
 		spin_lock_irqsave(&host_info_lock, flags);
 		list_add_tail(&addr->addr_list, &fi->addr_list);
 		spin_unlock_irqrestore(&host_info_lock, flags);
-		return sizeof(struct raw1394_request);
+		return 0;
 	}
 	retval =
 	    hpsb_register_addrspace(&raw1394_highlevel, fi->host, &arm_ops,
@@ -1887,7 +1734,7 @@ static int arm_register(struct file_info *fi, struct pending_request *req)
 		return (-EALREADY);
 	}
 	free_pending_request(req);	/* immediate success or fail */
-	return sizeof(struct raw1394_request);
+	return 0;
 }
 
 static int arm_unregister(struct file_info *fi, struct pending_request *req)
@@ -1955,7 +1802,7 @@ static int arm_unregister(struct file_info *fi, struct pending_request *req)
 		vfree(addr->addr_space_buffer);
 		kfree(addr);
 		free_pending_request(req);	/* immediate success or fail */
-		return sizeof(struct raw1394_request);
+		return 0;
 	}
 	retval =
 	    hpsb_unregister_addrspace(&raw1394_highlevel, fi->host,
@@ -1971,7 +1818,7 @@ static int arm_unregister(struct file_info *fi, struct pending_request *req)
 	vfree(addr->addr_space_buffer);
 	kfree(addr);
 	free_pending_request(req);	/* immediate success or fail */
-	return sizeof(struct raw1394_request);
+	return 0;
 }
 
 /* Copy data from ARM buffer(s) to user buffer. */
@@ -2013,7 +1860,7 @@ static int arm_get_buf(struct file_info *fi, struct pending_request *req)
 				 * queue no response, and therefore nobody
 				 * will free it. */
 				free_pending_request(req);
-				return sizeof(struct raw1394_request);
+				return 0;
 			} else {
 				DBGMSG("arm_get_buf request exceeded mapping");
 				spin_unlock_irqrestore(&host_info_lock, flags);
@@ -2065,7 +1912,7 @@ static int arm_set_buf(struct file_info *fi, struct pending_request *req)
 				 * queue no response, and therefore nobody
 				 * will free it. */
 				free_pending_request(req);
-				return sizeof(struct raw1394_request);
+				return 0;
 			} else {
 				DBGMSG("arm_set_buf request exceeded mapping");
 				spin_unlock_irqrestore(&host_info_lock, flags);
@@ -2086,7 +1933,7 @@ static int reset_notification(struct file_info *fi, struct pending_request *req)
 	    (req->req.misc == RAW1394_NOTIFY_ON)) {
 		fi->notification = (u8) req->req.misc;
 		free_pending_request(req);	/* we have to free the request, because we queue no response, and therefore nobody will free it */
-		return sizeof(struct raw1394_request);
+		return 0;
 	}
 	/* error EINVAL (22) invalid argument */
 	return (-EINVAL);
@@ -2119,12 +1966,12 @@ static int write_phypacket(struct file_info *fi, struct pending_request *req)
 		req->req.length = 0;
 		queue_complete_req(req);
 	}
-	return sizeof(struct raw1394_request);
+	return 0;
 }
 
 static int get_config_rom(struct file_info *fi, struct pending_request *req)
 {
-	int ret = sizeof(struct raw1394_request);
+	int ret = 0;
 	quadlet_t *data = kmalloc(req->req.length, GFP_KERNEL);
 	int status;
 
@@ -2154,7 +2001,7 @@ static int get_config_rom(struct file_info *fi, struct pending_request *req)
 
 static int update_config_rom(struct file_info *fi, struct pending_request *req)
 {
-	int ret = sizeof(struct raw1394_request);
+	int ret = 0;
 	quadlet_t *data = kmalloc(req->req.length, GFP_KERNEL);
 	if (!data)
 		return -ENOMEM;
@@ -2221,7 +2068,7 @@ static int modify_config_rom(struct file_info *fi, struct pending_request *req)
 
 			hpsb_update_config_rom_image(fi->host);
 			free_pending_request(req);
-			return sizeof(struct raw1394_request);
+			return 0;
 		}
 	}
 
@@ -2286,7 +2133,7 @@ static int modify_config_rom(struct file_info *fi, struct pending_request *req)
 		/* we have to free the request, because we queue no response,
 		 * and therefore nobody will free it */
 		free_pending_request(req);
-		return sizeof(struct raw1394_request);
+		return 0;
 	} else {
 		for (dentry =
 		     fi->csr1212_dirs[dr]->value.directory.dentries_head;
@@ -2311,11 +2158,7 @@ static int state_connected(struct file_info *fi, struct pending_request *req)
 
 	case RAW1394_REQ_ECHO:
 		queue_complete_req(req);
-		return sizeof(struct raw1394_request);
-
-	case RAW1394_REQ_ISO_SEND:
-		print_old_iso_deprecation();
-		return handle_iso_send(fi, req, node);
+		return 0;
 
 	case RAW1394_REQ_ARM_REGISTER:
 		return arm_register(fi, req);
@@ -2332,27 +2175,30 @@ static int state_connected(struct file_info *fi, struct pending_request *req)
 	case RAW1394_REQ_RESET_NOTIFY:
 		return reset_notification(fi, req);
 
+	case RAW1394_REQ_ISO_SEND:
 	case RAW1394_REQ_ISO_LISTEN:
-		print_old_iso_deprecation();
-		handle_iso_listen(fi, req);
-		return sizeof(struct raw1394_request);
+		printk(KERN_DEBUG "raw1394: old iso ABI has been removed\n");
+		req->req.error = RAW1394_ERROR_COMPAT;
+		req->req.misc = RAW1394_KERNELAPI_VERSION;
+		queue_complete_req(req);
+		return 0;
 
 	case RAW1394_REQ_FCP_LISTEN:
 		handle_fcp_listen(fi, req);
-		return sizeof(struct raw1394_request);
+		return 0;
 
 	case RAW1394_REQ_RESET_BUS:
 		if (req->req.misc == RAW1394_LONG_RESET) {
 			DBGMSG("busreset called (type: LONG)");
 			hpsb_reset_bus(fi->host, LONG_RESET);
 			free_pending_request(req);	/* we have to free the request, because we queue no response, and therefore nobody will free it */
-			return sizeof(struct raw1394_request);
+			return 0;
 		}
 		if (req->req.misc == RAW1394_SHORT_RESET) {
 			DBGMSG("busreset called (type: SHORT)");
 			hpsb_reset_bus(fi->host, SHORT_RESET);
 			free_pending_request(req);	/* we have to free the request, because we queue no response, and therefore nobody will free it */
-			return sizeof(struct raw1394_request);
+			return 0;
 		}
 		/* error EINVAL (22) invalid argument */
 		return (-EINVAL);
@@ -2371,7 +2217,7 @@ static int state_connected(struct file_info *fi, struct pending_request *req)
 		req->req.generation = get_hpsb_generation(fi->host);
 		req->req.length = 0;
 		queue_complete_req(req);
-		return sizeof(struct raw1394_request);
+		return 0;
 	}
 
 	switch (req->req.type) {
@@ -2384,7 +2230,7 @@ static int state_connected(struct file_info *fi, struct pending_request *req)
 	if (req->req.length == 0) {
 		req->req.error = RAW1394_ERROR_INVALID_ARG;
 		queue_complete_req(req);
-		return sizeof(struct raw1394_request);
+		return 0;
 	}
 
 	return handle_async_request(fi, req, node);
@@ -2395,7 +2241,7 @@ static ssize_t raw1394_write(struct file *file, const char __user * buffer,
 {
 	struct file_info *fi = (struct file_info *)file->private_data;
 	struct pending_request *req;
-	ssize_t retval = 0;
+	ssize_t retval = -EBADFD;
 
 #ifdef CONFIG_COMPAT
 	if (count == sizeof(struct compat_raw1394_req) &&
@@ -2437,6 +2283,9 @@ static ssize_t raw1394_write(struct file *file, const char __user * buffer,
 
 	if (retval < 0) {
 		free_pending_request(req);
+	} else {
+		BUG_ON(retval);
+		retval = count;
 	}
 
 	return retval;
@@ -2802,6 +2651,103 @@ static int raw1394_ioctl(struct inode *inode, struct file *file,
 	return -EINVAL;
 }
 
+#ifdef CONFIG_COMPAT
+struct raw1394_iso_packets32 {
+        __u32 n_packets;
+        compat_uptr_t infos;
+} __attribute__((packed));
+
+struct raw1394_cycle_timer32 {
+        __u32 cycle_timer;
+        __u64 local_time;
+}
+#if defined(CONFIG_X86_64) || defined(CONFIG_IA64)
+__attribute__((packed))
+#endif
+;
+
+#define RAW1394_IOC_ISO_RECV_PACKETS32          \
+        _IOW ('#', 0x25, struct raw1394_iso_packets32)
+#define RAW1394_IOC_ISO_XMIT_PACKETS32          \
+        _IOW ('#', 0x27, struct raw1394_iso_packets32)
+#define RAW1394_IOC_GET_CYCLE_TIMER32           \
+        _IOR ('#', 0x30, struct raw1394_cycle_timer32)
+
+static long raw1394_iso_xmit_recv_packets32(struct file *file, unsigned int cmd,
+                                          struct raw1394_iso_packets32 __user *arg)
+{
+	compat_uptr_t infos32;
+	void *infos;
+	long err = -EFAULT;
+	struct raw1394_iso_packets __user *dst = compat_alloc_user_space(sizeof(struct raw1394_iso_packets));
+
+	if (!copy_in_user(&dst->n_packets, &arg->n_packets, sizeof arg->n_packets) &&
+	    !copy_from_user(&infos32, &arg->infos, sizeof infos32)) {
+		infos = compat_ptr(infos32);
+		if (!copy_to_user(&dst->infos, &infos, sizeof infos))
+			err = raw1394_ioctl(NULL, file, cmd, (unsigned long)dst);
+	}
+	return err;
+}
+
+static long raw1394_read_cycle_timer32(struct file_info *fi, void __user * uaddr)
+{
+	struct raw1394_cycle_timer32 ct;
+	int err;
+
+	err = hpsb_read_cycle_timer(fi->host, &ct.cycle_timer, &ct.local_time);
+	if (!err)
+		if (copy_to_user(uaddr, &ct, sizeof(ct)))
+			err = -EFAULT;
+	return err;
+}
+
+static long raw1394_compat_ioctl(struct file *file,
+				 unsigned int cmd, unsigned long arg)
+{
+	struct file_info *fi = file->private_data;
+	void __user *argp = (void __user *)arg;
+	long err;
+
+	lock_kernel();
+	switch (cmd) {
+	/* These requests have same format as long as 'int' has same size. */
+	case RAW1394_IOC_ISO_RECV_INIT:
+	case RAW1394_IOC_ISO_RECV_START:
+	case RAW1394_IOC_ISO_RECV_LISTEN_CHANNEL:
+	case RAW1394_IOC_ISO_RECV_UNLISTEN_CHANNEL:
+	case RAW1394_IOC_ISO_RECV_SET_CHANNEL_MASK:
+	case RAW1394_IOC_ISO_RECV_RELEASE_PACKETS:
+	case RAW1394_IOC_ISO_RECV_FLUSH:
+	case RAW1394_IOC_ISO_XMIT_RECV_STOP:
+	case RAW1394_IOC_ISO_XMIT_INIT:
+	case RAW1394_IOC_ISO_XMIT_START:
+	case RAW1394_IOC_ISO_XMIT_SYNC:
+	case RAW1394_IOC_ISO_GET_STATUS:
+	case RAW1394_IOC_ISO_SHUTDOWN:
+	case RAW1394_IOC_ISO_QUEUE_ACTIVITY:
+		err = raw1394_ioctl(NULL, file, cmd, arg);
+		break;
+	/* These request have different format. */
+	case RAW1394_IOC_ISO_RECV_PACKETS32:
+		err = raw1394_iso_xmit_recv_packets32(file, RAW1394_IOC_ISO_RECV_PACKETS, argp);
+		break;
+	case RAW1394_IOC_ISO_XMIT_PACKETS32:
+		err = raw1394_iso_xmit_recv_packets32(file, RAW1394_IOC_ISO_XMIT_PACKETS, argp);
+		break;
+	case RAW1394_IOC_GET_CYCLE_TIMER32:
+		err = raw1394_read_cycle_timer32(fi, argp);
+		break;
+	default:
+		err = -EINVAL;
+		break;
+	}
+	unlock_kernel();
+
+	return err;
+}
+#endif
+
 static unsigned int raw1394_poll(struct file *file, poll_table * pt)
 {
 	struct file_info *fi = file->private_data;
@@ -2861,14 +2807,7 @@ static int raw1394_release(struct inode *inode, struct file *file)
 	if (fi->iso_state != RAW1394_ISO_INACTIVE)
 		raw1394_iso_shutdown(fi);
 
-	for (i = 0; i < 64; i++) {
-		if (fi->listen_channels & (1ULL << i)) {
-			hpsb_unlisten_channel(&raw1394_highlevel, fi->host, i);
-		}
-	}
-
 	spin_lock_irqsave(&host_info_lock, flags);
-	fi->listen_channels = 0;
 
 	fail = 0;
 	/* set address-entries invalid */
@@ -3030,7 +2969,6 @@ static struct hpsb_highlevel raw1394_highlevel = {
 	.add_host = add_host,
 	.remove_host = remove_host,
 	.host_reset = host_reset,
-	.iso_receive = iso_receive,
 	.fcp_request = fcp_request,
 };
 
@@ -3041,7 +2979,9 @@ static const struct file_operations raw1394_fops = {
 	.write = raw1394_write,
 	.mmap = raw1394_mmap,
 	.ioctl = raw1394_ioctl,
-	// .compat_ioctl = ... someone needs to do this
+#ifdef CONFIG_COMPAT
+	.compat_ioctl = raw1394_compat_ioctl,
+#endif
 	.poll = raw1394_poll,
 	.open = raw1394_open,
 	.release = raw1394_release,
@@ -3054,9 +2994,9 @@ static int __init init_raw1394(void)
 	hpsb_register_highlevel(&raw1394_highlevel);
 
 	if (IS_ERR
-	    (class_device_create
-	     (hpsb_protocol_class, NULL,
-	      MKDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_RAW1394 * 16), NULL,
+	    (device_create(
+	      hpsb_protocol_class, NULL,
+	      MKDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_RAW1394 * 16),
 	      RAW1394_DEVICE_NAME))) {
 		ret = -EFAULT;
 		goto out_unreg;
@@ -3083,9 +3023,9 @@ static int __init init_raw1394(void)
 	goto out;
 
       out_dev:
-	class_device_destroy(hpsb_protocol_class,
-			     MKDEV(IEEE1394_MAJOR,
-				   IEEE1394_MINOR_BLOCK_RAW1394 * 16));
+	device_destroy(hpsb_protocol_class,
+		       MKDEV(IEEE1394_MAJOR,
+			     IEEE1394_MINOR_BLOCK_RAW1394 * 16));
       out_unreg:
 	hpsb_unregister_highlevel(&raw1394_highlevel);
       out:
@@ -3094,9 +3034,9 @@ static int __init init_raw1394(void)
 
 static void __exit cleanup_raw1394(void)
 {
-	class_device_destroy(hpsb_protocol_class,
-			     MKDEV(IEEE1394_MAJOR,
-				   IEEE1394_MINOR_BLOCK_RAW1394 * 16));
+	device_destroy(hpsb_protocol_class,
+		       MKDEV(IEEE1394_MAJOR,
+			     IEEE1394_MINOR_BLOCK_RAW1394 * 16));
 	cdev_del(&raw1394_cdev);
 	hpsb_unregister_highlevel(&raw1394_highlevel);
 	hpsb_unregister_protocol(&raw1394_driver);
diff --git a/drivers/ieee1394/raw1394.h b/drivers/ieee1394/raw1394.h
index 7bd22ee1afb..963ac20373d 100644
--- a/drivers/ieee1394/raw1394.h
+++ b/drivers/ieee1394/raw1394.h
@@ -17,11 +17,11 @@
 #define RAW1394_REQ_ASYNC_WRITE     101
 #define RAW1394_REQ_LOCK            102
 #define RAW1394_REQ_LOCK64          103
-#define RAW1394_REQ_ISO_SEND        104
+#define RAW1394_REQ_ISO_SEND        104 /* removed ABI, now a no-op */
 #define RAW1394_REQ_ASYNC_SEND      105
 #define RAW1394_REQ_ASYNC_STREAM    106
 
-#define RAW1394_REQ_ISO_LISTEN      200
+#define RAW1394_REQ_ISO_LISTEN      200 /* removed ABI, now a no-op */
 #define RAW1394_REQ_FCP_LISTEN      201
 #define RAW1394_REQ_RESET_BUS       202
 #define RAW1394_REQ_GET_ROM         203
diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c
index 3f873cc7e24..e0c385a3b45 100644
--- a/drivers/ieee1394/sbp2.c
+++ b/drivers/ieee1394/sbp2.c
@@ -118,14 +118,13 @@ MODULE_PARM_DESC(max_speed, "Force max speed "
 		 "(3 = 800Mb/s, 2 = 400Mb/s, 1 = 200Mb/s, 0 = 100Mb/s)");
 
 /*
- * Set serialize_io to 1 if you'd like only one scsi command sent
- * down to us at a time (debugging). This might be necessary for very
- * badly behaved sbp2 devices.
+ * Set serialize_io to 0 or N to use dynamically appended lists of command ORBs.
+ * This is and always has been buggy in multiple subtle ways. See above TODOs.
  */
 static int sbp2_serialize_io = 1;
-module_param_named(serialize_io, sbp2_serialize_io, int, 0444);
-MODULE_PARM_DESC(serialize_io, "Serialize I/O coming from scsi drivers "
-		 "(default = 1, faster = 0)");
+module_param_named(serialize_io, sbp2_serialize_io, bool, 0444);
+MODULE_PARM_DESC(serialize_io, "Serialize requests coming from SCSI drivers "
+		 "(default = Y, faster but buggy = N)");
 
 /*
  * Bump up max_sectors if you'd like to support very large sized
@@ -154,9 +153,9 @@ MODULE_PARM_DESC(max_sectors, "Change max sectors per I/O supported "
  * are possible on OXFW911 and newer Oxsemi bridges.
  */
 static int sbp2_exclusive_login = 1;
-module_param_named(exclusive_login, sbp2_exclusive_login, int, 0644);
+module_param_named(exclusive_login, sbp2_exclusive_login, bool, 0644);
 MODULE_PARM_DESC(exclusive_login, "Exclusive login to sbp2 device "
-		 "(default = 1)");
+		 "(default = Y, use N for concurrent initiators)");
 
 /*
  * If any of the following workarounds is required for your device to work,
diff --git a/drivers/ieee1394/sbp2.h b/drivers/ieee1394/sbp2.h
index 44402b9d82a..333a4bb7674 100644
--- a/drivers/ieee1394/sbp2.h
+++ b/drivers/ieee1394/sbp2.h
@@ -67,7 +67,7 @@ struct sbp2_command_orb {
 #define ORB_SET_LUN(v)			((v) & 0xffff)
 #define ORB_SET_FUNCTION(v)		(((v) & 0xf) << 16)
 #define ORB_SET_RECONNECT(v)		(((v) & 0xf) << 20)
-#define ORB_SET_EXCLUSIVE(v)		(((v) & 0x1) << 28)
+#define ORB_SET_EXCLUSIVE(v)		((v) ? 1 << 28 : 0)
 #define ORB_SET_LOGIN_RESP_LENGTH(v)	((v) & 0xffff)
 #define ORB_SET_PASSWD_LENGTH(v)	(((v) & 0xffff) << 16)
 
diff --git a/drivers/ieee1394/video1394.c b/drivers/ieee1394/video1394.c
index 87ebd0846c3..bd28adfd7af 100644
--- a/drivers/ieee1394/video1394.c
+++ b/drivers/ieee1394/video1394.c
@@ -1340,9 +1340,9 @@ static void video1394_add_host (struct hpsb_host *host)
 	hpsb_set_hostinfo_key(&video1394_highlevel, host, ohci->host->id);
 
 	minor = IEEE1394_MINOR_BLOCK_VIDEO1394 * 16 + ohci->host->id;
-	class_device_create(hpsb_protocol_class, NULL, MKDEV(
-		IEEE1394_MAJOR,	minor), 
-		NULL, "%s-%d", VIDEO1394_DRIVER_NAME, ohci->host->id);
+	device_create(hpsb_protocol_class, NULL,
+		      MKDEV(IEEE1394_MAJOR, minor),
+		      "%s-%d", VIDEO1394_DRIVER_NAME, ohci->host->id);
 }
 
 
@@ -1351,8 +1351,8 @@ static void video1394_remove_host (struct hpsb_host *host)
 	struct ti_ohci *ohci = hpsb_get_hostinfo(&video1394_highlevel, host);
 
 	if (ohci)
-		class_device_destroy(hpsb_protocol_class, MKDEV(IEEE1394_MAJOR,
-			IEEE1394_MINOR_BLOCK_VIDEO1394 * 16 + ohci->host->id));
+		device_destroy(hpsb_protocol_class, MKDEV(IEEE1394_MAJOR,
+			       IEEE1394_MINOR_BLOCK_VIDEO1394 * 16 + ohci->host->id));
 	return;
 }