X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fpcmcia%2Fds.c;h=92a5af8aa0b4a62d0f1184cb047b8e4a00e60ad4;hb=04de0816173c86948b75da93a6344a0a02bbec4d;hp=7956602554901297f86055cea142707f7eead769;hpb=2be4ff2f084842839b041b793ed6237e8d1d315a;p=safe%2Fjmp%2Flinux-2.6

diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 7956602..92a5af8 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -24,6 +24,7 @@
 #include <linux/firmware.h>
 #include <linux/kref.h>
 #include <linux/dma-mapping.h>
+#include <linux/slab.h>
 
 #include <pcmcia/cs_types.h>
 #include <pcmcia/cs.h>
@@ -41,129 +42,9 @@ MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>");
 MODULE_DESCRIPTION("PCMCIA Driver Services");
 MODULE_LICENSE("GPL");
 
-#ifdef CONFIG_PCMCIA_DEBUG
-int ds_pc_debug;
-
-module_param_named(pc_debug, ds_pc_debug, int, 0644);
-
-#define ds_dbg(lvl, fmt, arg...) do {				\
-	if (ds_pc_debug > (lvl))				\
-		printk(KERN_DEBUG "ds: " fmt , ## arg);		\
-} while (0)
-#define ds_dev_dbg(lvl, dev, fmt, arg...) do {				\
-	if (ds_pc_debug > (lvl))					\
-		dev_printk(KERN_DEBUG, dev, "ds: " fmt , ## arg);	\
-} while (0)
-#else
-#define ds_dbg(lvl, fmt, arg...) do { } while (0)
-#define ds_dev_dbg(lvl, dev, fmt, arg...) do { } while (0)
-#endif
-
-spinlock_t pcmcia_dev_list_lock;
 
 /*====================================================================*/
 
-/* code which was in cs.c before */
-
-/* String tables for error messages */
-
-typedef struct lookup_t {
-    const int key;
-    const char *msg;
-} lookup_t;
-
-static const lookup_t error_table[] = {
-    { 0,			"Operation succeeded" },
-    { -EIO,			"Input/Output error" },
-    { -ENODEV,			"No card present" },
-    { -EINVAL,			"Bad parameter" },
-    { -EACCES,			"Configuration locked" },
-    { -EBUSY,			"Resource in use" },
-    { -ENOSPC,			"No more items" },
-    { -ENOMEM,			"Out of resource" },
-};
-
-
-static const lookup_t service_table[] = {
-    { AccessConfigurationRegister,	"AccessConfigurationRegister" },
-    { AddSocketServices,		"AddSocketServices" },
-    { AdjustResourceInfo,		"AdjustResourceInfo" },
-    { CheckEraseQueue,			"CheckEraseQueue" },
-    { CloseMemory,			"CloseMemory" },
-    { DeregisterClient,			"DeregisterClient" },
-    { DeregisterEraseQueue,		"DeregisterEraseQueue" },
-    { GetCardServicesInfo,		"GetCardServicesInfo" },
-    { GetClientInfo,			"GetClientInfo" },
-    { GetConfigurationInfo,		"GetConfigurationInfo" },
-    { GetEventMask,			"GetEventMask" },
-    { GetFirstClient,			"GetFirstClient" },
-    { GetFirstRegion,			"GetFirstRegion" },
-    { GetFirstTuple,			"GetFirstTuple" },
-    { GetNextClient,			"GetNextClient" },
-    { GetNextRegion,			"GetNextRegion" },
-    { GetNextTuple,			"GetNextTuple" },
-    { GetStatus,			"GetStatus" },
-    { GetTupleData,			"GetTupleData" },
-    { MapMemPage,			"MapMemPage" },
-    { ModifyConfiguration,		"ModifyConfiguration" },
-    { ModifyWindow,			"ModifyWindow" },
-    { OpenMemory,			"OpenMemory" },
-    { ParseTuple,			"ParseTuple" },
-    { ReadMemory,			"ReadMemory" },
-    { RegisterClient,			"RegisterClient" },
-    { RegisterEraseQueue,		"RegisterEraseQueue" },
-    { RegisterMTD,			"RegisterMTD" },
-    { ReleaseConfiguration,		"ReleaseConfiguration" },
-    { ReleaseIO,			"ReleaseIO" },
-    { ReleaseIRQ,			"ReleaseIRQ" },
-    { ReleaseWindow,			"ReleaseWindow" },
-    { RequestConfiguration,		"RequestConfiguration" },
-    { RequestIO,			"RequestIO" },
-    { RequestIRQ,			"RequestIRQ" },
-    { RequestSocketMask,		"RequestSocketMask" },
-    { RequestWindow,			"RequestWindow" },
-    { ResetCard,			"ResetCard" },
-    { SetEventMask,			"SetEventMask" },
-    { ValidateCIS,			"ValidateCIS" },
-    { WriteMemory,			"WriteMemory" },
-    { BindDevice,			"BindDevice" },
-    { BindMTD,				"BindMTD" },
-    { ReportError,			"ReportError" },
-    { SuspendCard,			"SuspendCard" },
-    { ResumeCard,			"ResumeCard" },
-    { EjectCard,			"EjectCard" },
-    { InsertCard,			"InsertCard" },
-    { ReplaceCIS,			"ReplaceCIS" }
-};
-
-const char *pcmcia_error_func(int func)
-{
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(service_table); i++)
-		if (service_table[i].key == func)
-			return service_table[i].msg;
-
-	return "Unknown service number";
-}
-EXPORT_SYMBOL(pcmcia_error_func);
-
-const char *pcmcia_error_ret(int ret)
-{
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(error_table); i++)
-		if (error_table[i].key == ret)
-			return error_table[i].msg;
-
-	return "unknown";
-}
-EXPORT_SYMBOL(pcmcia_error_ret);
-
-/*======================================================================*/
-
-
-
 static void pcmcia_check_driver(struct pcmcia_driver *p_drv)
 {
 	struct pcmcia_device_id *did = p_drv->id_table;
@@ -175,7 +56,7 @@ static void pcmcia_check_driver(struct pcmcia_driver *p_drv)
 		       "function\n", p_drv->drv.name);
 
 	while (did && did->match_flags) {
-		for (i=0; i<4; i++) {
+		for (i = 0; i < 4; i++) {
 			if (!did->prod_id[i])
 				continue;
 
@@ -223,7 +104,7 @@ pcmcia_store_new_id(struct device_driver *driver, const char *buf, size_t count)
 	__u16 match_flags, manf_id, card_id;
 	__u8 func_id, function, device_no;
 	__u32 prod_id_hash[4] = {0, 0, 0, 0};
-	int fields=0;
+	int fields = 0;
 	int retval = 0;
 
 	fields = sscanf(buf, "%hx %hx %hx %hhx %hhx %hhx %x %x %x %x",
@@ -236,7 +117,6 @@ pcmcia_store_new_id(struct device_driver *driver, const char *buf, size_t count)
 	if (!dynid)
 		return -ENOMEM;
 
-	INIT_LIST_HEAD(&dynid->node);
 	dynid->id.match_flags = match_flags;
 	dynid->id.manf_id = manf_id;
 	dynid->id.card_id = card_id;
@@ -245,9 +125,9 @@ pcmcia_store_new_id(struct device_driver *driver, const char *buf, size_t count)
 	dynid->id.device_no = device_no;
 	memcpy(dynid->id.prod_id_hash, prod_id_hash, sizeof(__u32) * 4);
 
-	spin_lock(&pdrv->dynids.lock);
-	list_add_tail(&pdrv->dynids.list, &dynid->node);
-	spin_unlock(&pdrv->dynids.lock);
+	mutex_lock(&pdrv->dynids.lock);
+	list_add_tail(&dynid->node, &pdrv->dynids.list);
+	mutex_unlock(&pdrv->dynids.lock);
 
 	if (get_driver(&pdrv->drv)) {
 		retval = driver_attach(&pdrv->drv);
@@ -265,12 +145,12 @@ pcmcia_free_dynids(struct pcmcia_driver *drv)
 {
 	struct pcmcia_dynid *dynid, *n;
 
-	spin_lock(&drv->dynids.lock);
+	mutex_lock(&drv->dynids.lock);
 	list_for_each_entry_safe(dynid, n, &drv->dynids.list, node) {
 		list_del(&dynid->node);
 		kfree(dynid);
 	}
-	spin_unlock(&drv->dynids.lock);
+	mutex_unlock(&drv->dynids.lock);
 }
 
 static int
@@ -301,10 +181,10 @@ int pcmcia_register_driver(struct pcmcia_driver *driver)
 	/* initialize common fields */
 	driver->drv.bus = &pcmcia_bus_type;
 	driver->drv.owner = driver->owner;
-	spin_lock_init(&driver->dynids.lock);
+	mutex_init(&driver->dynids.lock);
 	INIT_LIST_HEAD(&driver->dynids.list);
 
-	ds_dbg(3, "registering driver %s\n", driver->drv.name);
+	pr_debug("registering driver %s\n", driver->drv.name);
 
 	error = driver_register(&driver->drv);
 	if (error < 0)
@@ -324,7 +204,7 @@ EXPORT_SYMBOL(pcmcia_register_driver);
  */
 void pcmcia_unregister_driver(struct pcmcia_driver *driver)
 {
-	ds_dbg(3, "unregistering driver %s\n", driver->drv.name);
+	pr_debug("unregistering driver %s\n", driver->drv.name);
 	driver_unregister(&driver->drv);
 	pcmcia_free_dynids(driver);
 }
@@ -333,7 +213,7 @@ EXPORT_SYMBOL(pcmcia_unregister_driver);
 
 /* pcmcia_device handling */
 
-struct pcmcia_device * pcmcia_get_dev(struct pcmcia_device *p_dev)
+struct pcmcia_device *pcmcia_get_dev(struct pcmcia_device *p_dev)
 {
 	struct device *tmp_dev;
 	tmp_dev = get_device(&p_dev->dev);
@@ -351,37 +231,28 @@ void pcmcia_put_dev(struct pcmcia_device *p_dev)
 static void pcmcia_release_function(struct kref *ref)
 {
 	struct config_t *c = container_of(ref, struct config_t, ref);
-	ds_dbg(1, "releasing config_t\n");
+	pr_debug("releasing config_t\n");
 	kfree(c);
 }
 
 static void pcmcia_release_dev(struct device *dev)
 {
 	struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
-	ds_dev_dbg(1, dev, "releasing device\n");
+	int i;
+	dev_dbg(dev, "releasing device\n");
 	pcmcia_put_socket(p_dev->socket);
+	for (i = 0; i < 4; i++)
+		kfree(p_dev->prod_id[i]);
 	kfree(p_dev->devname);
 	kref_put(&p_dev->function_config->ref, pcmcia_release_function);
 	kfree(p_dev);
 }
 
-static void pcmcia_add_device_later(struct pcmcia_socket *s, int mfc)
-{
-	if (!s->pcmcia_state.device_add_pending) {
-		ds_dev_dbg(1, &s->dev, "scheduling to add %s secondary"
-		       " device to %d\n", mfc ? "mfc" : "pfc", s->sock);
-		s->pcmcia_state.device_add_pending = 1;
-		s->pcmcia_state.mfc_pfc = mfc;
-		schedule_work(&s->device_add);
-	}
-	return;
-}
 
-static int pcmcia_device_probe(struct device * dev)
+static int pcmcia_device_probe(struct device *dev)
 {
 	struct pcmcia_device *p_dev;
 	struct pcmcia_driver *p_drv;
-	struct pcmcia_device_id *did;
 	struct pcmcia_socket *s;
 	cistpl_config_t cis_config;
 	int ret = 0;
@@ -394,19 +265,7 @@ static int pcmcia_device_probe(struct device * dev)
 	p_drv = to_pcmcia_drv(dev->driver);
 	s = p_dev->socket;
 
-	/* The PCMCIA code passes the match data in via dev->driver_data
-	 * which is an ugly hack. Once the driver probe is called it may
-	 * and often will overwrite the match data so we must save it first
-	 *
-	 * handle pseudo multifunction devices:
-	 * there are at most two pseudo multifunction devices.
-	 * if we're matching against the first, schedule a
-	 * call which will then check whether there are two
-	 * pseudo devices, and if not, add the second one.
-	 */
-	did = p_dev->dev.driver_data;
-
-	ds_dev_dbg(1, dev, "trying to bind to %s\n", p_drv->drv.name);
+	dev_dbg(dev, "trying to bind to %s\n", p_drv->drv.name);
 
 	if ((!p_drv->probe) || (!p_dev->function_config) ||
 	    (!try_module_get(p_drv->owner))) {
@@ -429,14 +288,16 @@ static int pcmcia_device_probe(struct device * dev)
 
 	ret = p_drv->probe(p_dev);
 	if (ret) {
-		ds_dev_dbg(1, dev, "binding to %s failed with %d\n",
+		dev_dbg(dev, "binding to %s failed with %d\n",
 			   p_drv->drv.name, ret);
 		goto put_module;
 	}
 
-	if (did && (did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) &&
+	mutex_lock(&s->ops_mutex);
+	if ((s->pcmcia_state.has_pfc) &&
 	    (p_dev->socket->device_count == 1) && (p_dev->device_no == 0))
-		pcmcia_add_device_later(p_dev->socket, 0);
+		pcmcia_parse_uevents(s, PCMCIA_UEVENT_REQUERY);
+	mutex_unlock(&s->ops_mutex);
 
 put_module:
 	if (ret)
@@ -444,7 +305,7 @@ put_module:
 put_dev:
 	if (ret)
 		put_device(dev);
-	return (ret);
+	return ret;
 }
 
 
@@ -455,53 +316,51 @@ static void pcmcia_card_remove(struct pcmcia_socket *s, struct pcmcia_device *le
 {
 	struct pcmcia_device	*p_dev;
 	struct pcmcia_device	*tmp;
-	unsigned long		flags;
 
-	ds_dev_dbg(2, leftover ? &leftover->dev : &s->dev,
+	dev_dbg(leftover ? &leftover->dev : &s->dev,
 		   "pcmcia_card_remove(%d) %s\n", s->sock,
 		   leftover ? leftover->devname : "");
 
+	mutex_lock(&s->ops_mutex);
 	if (!leftover)
 		s->device_count = 0;
 	else
 		s->device_count = 1;
+	mutex_unlock(&s->ops_mutex);
 
 	/* unregister all pcmcia_devices registered with this socket, except leftover */
 	list_for_each_entry_safe(p_dev, tmp, &s->devices_list, socket_device_list) {
 		if (p_dev == leftover)
 			continue;
 
-		spin_lock_irqsave(&pcmcia_dev_list_lock, flags);
+		mutex_lock(&s->ops_mutex);
 		list_del(&p_dev->socket_device_list);
-		p_dev->_removed=1;
-		spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
+		mutex_unlock(&s->ops_mutex);
 
-		ds_dev_dbg(2, &p_dev->dev, "unregistering device\n");
+		dev_dbg(&p_dev->dev, "unregistering device\n");
 		device_unregister(&p_dev->dev);
 	}
 
 	return;
 }
 
-static int pcmcia_device_remove(struct device * dev)
+static int pcmcia_device_remove(struct device *dev)
 {
 	struct pcmcia_device *p_dev;
 	struct pcmcia_driver *p_drv;
-	struct pcmcia_device_id *did;
 	int i;
 
 	p_dev = to_pcmcia_dev(dev);
 	p_drv = to_pcmcia_drv(dev->driver);
 
-	ds_dev_dbg(1, dev, "removing device\n");
+	dev_dbg(dev, "removing device\n");
 
 	/* If we're removing the primary module driving a
 	 * pseudo multi-function card, we need to unbind
 	 * all devices
 	 */
-	did = p_dev->dev.driver_data;
-	if (did && (did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) &&
-	    (p_dev->socket->device_count != 0) &&
+	if ((p_dev->socket->pcmcia_state.has_pfc) &&
+	    (p_dev->socket->device_count > 0) &&
 	    (p_dev->device_no == 0))
 		pcmcia_card_remove(p_dev->socket, p_dev);
 
@@ -510,7 +369,7 @@ static int pcmcia_device_remove(struct device * dev)
 		return 0;
 
 	if (p_drv->remove)
-	       	p_drv->remove(p_dev);
+		p_drv->remove(p_dev);
 
 	p_dev->dev_node = NULL;
 
@@ -548,18 +407,22 @@ static int pcmcia_device_query(struct pcmcia_device *p_dev)
 	if (!vers1)
 		return -ENOMEM;
 
-	if (!pccard_read_tuple(p_dev->socket, p_dev->func,
+	if (!pccard_read_tuple(p_dev->socket, BIND_FN_ALL,
 			       CISTPL_MANFID, &manf_id)) {
+		mutex_lock(&p_dev->socket->ops_mutex);
 		p_dev->manf_id = manf_id.manf;
 		p_dev->card_id = manf_id.card;
 		p_dev->has_manf_id = 1;
 		p_dev->has_card_id = 1;
+		mutex_unlock(&p_dev->socket->ops_mutex);
 	}
 
 	if (!pccard_read_tuple(p_dev->socket, p_dev->func,
 			       CISTPL_FUNCID, &func_id)) {
+		mutex_lock(&p_dev->socket->ops_mutex);
 		p_dev->func_id = func_id.func;
 		p_dev->has_func_id = 1;
+		mutex_unlock(&p_dev->socket->ops_mutex);
 	} else {
 		/* rule of thumb: cards with no FUNCID, but with
 		 * common memory device geometry information, are
@@ -573,20 +436,24 @@ static int pcmcia_device_query(struct pcmcia_device *p_dev)
 		}
 		if (!pccard_read_tuple(p_dev->socket, p_dev->func,
 				      CISTPL_DEVICE_GEO, devgeo)) {
-			ds_dev_dbg(0, &p_dev->dev,
+			dev_dbg(&p_dev->dev,
 				   "mem device geometry probably means "
 				   "FUNCID_MEMORY\n");
+			mutex_lock(&p_dev->socket->ops_mutex);
 			p_dev->func_id = CISTPL_FUNCID_MEMORY;
 			p_dev->has_func_id = 1;
+			mutex_unlock(&p_dev->socket->ops_mutex);
 		}
 		kfree(devgeo);
 	}
 
-	if (!pccard_read_tuple(p_dev->socket, p_dev->func, CISTPL_VERS_1,
+	if (!pccard_read_tuple(p_dev->socket, BIND_FN_ALL, CISTPL_VERS_1,
 			       vers1)) {
-		for (i=0; i < vers1->ns; i++) {
+		mutex_lock(&p_dev->socket->ops_mutex);
+		for (i = 0; i < min_t(unsigned int, 4, vers1->ns); i++) {
 			char *tmp;
 			unsigned int length;
+			char *new;
 
 			tmp = vers1->str + vers1->ofs[i];
 
@@ -594,14 +461,17 @@ static int pcmcia_device_query(struct pcmcia_device *p_dev)
 			if ((length < 2) || (length > 255))
 				continue;
 
-			p_dev->prod_id[i] = kmalloc(sizeof(char) * length,
-						    GFP_KERNEL);
-			if (!p_dev->prod_id[i])
+			new = kmalloc(sizeof(char) * length, GFP_KERNEL);
+			if (!new)
 				continue;
 
-			p_dev->prod_id[i] = strncpy(p_dev->prod_id[i],
-						    tmp, length);
+			new = strncpy(new, tmp, length);
+
+			tmp = p_dev->prod_id[i];
+			p_dev->prod_id[i] = new;
+			kfree(tmp);
 		}
+		mutex_unlock(&p_dev->socket->ops_mutex);
 	}
 
 	kfree(vers1);
@@ -618,11 +488,10 @@ static int pcmcia_device_query(struct pcmcia_device *p_dev)
  */
 static DEFINE_MUTEX(device_add_lock);
 
-struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int function)
+struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s, unsigned int function)
 {
 	struct pcmcia_device *p_dev, *tmp_dev;
-	unsigned long flags;
-	int bus_id_len;
+	int i;
 
 	s = pcmcia_get_socket(s);
 	if (!s)
@@ -630,18 +499,25 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f
 
 	mutex_lock(&device_add_lock);
 
-	ds_dbg(3, "adding device to %d, function %d\n", s->sock, function);
-
-	/* max of 4 devices per card */
-	if (s->device_count == 4)
-		goto err_put;
+	pr_debug("adding device to %d, function %d\n", s->sock, function);
 
 	p_dev = kzalloc(sizeof(struct pcmcia_device), GFP_KERNEL);
 	if (!p_dev)
 		goto err_put;
 
-	p_dev->socket = s;
+	mutex_lock(&s->ops_mutex);
 	p_dev->device_no = (s->device_count++);
+	mutex_unlock(&s->ops_mutex);
+
+	/* max of 2 PFC devices */
+	if ((p_dev->device_no >= 2) && (function == 0))
+		goto err_free;
+
+	/* max of 4 devices overall */
+	if (p_dev->device_no >= 4)
+		goto err_free;
+
+	p_dev->socket = s;
 	p_dev->func   = function;
 
 	p_dev->dev.bus = &pcmcia_bus_type;
@@ -650,34 +526,36 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f
 	/* by default don't allow DMA */
 	p_dev->dma_mask = DMA_MASK_NONE;
 	p_dev->dev.dma_mask = &p_dev->dma_mask;
-	bus_id_len = sprintf (p_dev->dev.bus_id, "%d.%d", p_dev->socket->sock, p_dev->device_no);
-
-	p_dev->devname = kmalloc(6 + bus_id_len + 1, GFP_KERNEL);
+	dev_set_name(&p_dev->dev, "%d.%d", p_dev->socket->sock, p_dev->device_no);
+	if (!dev_name(&p_dev->dev))
+		goto err_free;
+	p_dev->devname = kasprintf(GFP_KERNEL, "pcmcia%s", dev_name(&p_dev->dev));
 	if (!p_dev->devname)
 		goto err_free;
-	sprintf (p_dev->devname, "pcmcia%s", p_dev->dev.bus_id);
-	ds_dev_dbg(3, &p_dev->dev, "devname is %s\n", p_dev->devname);
+	dev_dbg(&p_dev->dev, "devname is %s\n", p_dev->devname);
 
-	spin_lock_irqsave(&pcmcia_dev_list_lock, flags);
+	mutex_lock(&s->ops_mutex);
 
 	/*
 	 * p_dev->function_config must be the same for all card functions.
 	 * Note that this is serialized by the device_add_lock, so that
 	 * only one such struct will be created.
 	 */
-        list_for_each_entry(tmp_dev, &s->devices_list, socket_device_list)
-                if (p_dev->func == tmp_dev->func) {
+	list_for_each_entry(tmp_dev, &s->devices_list, socket_device_list)
+		if (p_dev->func == tmp_dev->func) {
 			p_dev->function_config = tmp_dev->function_config;
+			p_dev->io = tmp_dev->io;
+			p_dev->irq = tmp_dev->irq;
 			kref_get(&p_dev->function_config->ref);
 		}
 
 	/* Add to the list in pcmcia_bus_socket */
 	list_add(&p_dev->socket_device_list, &s->devices_list);
 
-	spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
+	mutex_unlock(&s->ops_mutex);
 
 	if (!p_dev->function_config) {
-		ds_dev_dbg(3, &p_dev->dev, "creating config_t\n");
+		dev_dbg(&p_dev->dev, "creating config_t\n");
 		p_dev->function_config = kzalloc(sizeof(struct config_t),
 						 GFP_KERNEL);
 		if (!p_dev->function_config)
@@ -699,14 +577,19 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f
 	return p_dev;
 
  err_unreg:
-	spin_lock_irqsave(&pcmcia_dev_list_lock, flags);
+	mutex_lock(&s->ops_mutex);
 	list_del(&p_dev->socket_device_list);
-	spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
+	mutex_unlock(&s->ops_mutex);
 
  err_free:
+	mutex_lock(&s->ops_mutex);
+	s->device_count--;
+	mutex_unlock(&s->ops_mutex);
+
+	for (i = 0; i < 4; i++)
+		kfree(p_dev->prod_id[i]);
 	kfree(p_dev->devname);
 	kfree(p_dev);
-	s->device_count--;
  err_put:
 	mutex_unlock(&device_add_lock);
 	pcmcia_put_socket(s);
@@ -719,23 +602,27 @@ static int pcmcia_card_add(struct pcmcia_socket *s)
 {
 	cistpl_longlink_mfc_t mfc;
 	unsigned int no_funcs, i, no_chains;
-	int ret = 0;
+	int ret = -EAGAIN;
 
+	mutex_lock(&s->ops_mutex);
 	if (!(s->resource_setup_done)) {
-		ds_dev_dbg(3, &s->dev,
+		dev_dbg(&s->dev,
 			   "no resources available, delaying card_add\n");
+		mutex_unlock(&s->ops_mutex);
 		return -EAGAIN; /* try again, but later... */
 	}
 
 	if (pcmcia_validate_mem(s)) {
-		ds_dev_dbg(3, &s->dev, "validating mem resources failed, "
+		dev_dbg(&s->dev, "validating mem resources failed, "
 		       "delaying card_add\n");
+		mutex_unlock(&s->ops_mutex);
 		return -EAGAIN; /* try again, but later... */
 	}
+	mutex_unlock(&s->ops_mutex);
 
-	ret = pccard_validate_cis(s, BIND_FN_ALL, &no_chains);
+	ret = pccard_validate_cis(s, &no_chains);
 	if (ret || !no_chains) {
-		ds_dev_dbg(0, &s->dev, "invalid CIS or invalid resources\n");
+		dev_dbg(&s->dev, "invalid CIS or invalid resources\n");
 		return -ENODEV;
 	}
 
@@ -745,73 +632,76 @@ static int pcmcia_card_add(struct pcmcia_socket *s)
 		no_funcs = 1;
 	s->functions = no_funcs;
 
-	for (i=0; i < no_funcs; i++)
+	for (i = 0; i < no_funcs; i++)
 		pcmcia_device_add(s, i);
 
-	return (ret);
+	return ret;
 }
 
 
-static void pcmcia_delayed_add_device(struct work_struct *work)
-{
-	struct pcmcia_socket *s =
-		container_of(work, struct pcmcia_socket, device_add);
-	ds_dev_dbg(1, &s->dev, "adding additional device to %d\n", s->sock);
-	pcmcia_device_add(s, s->pcmcia_state.mfc_pfc);
-	s->pcmcia_state.device_add_pending = 0;
-	s->pcmcia_state.mfc_pfc = 0;
-}
-
-static int pcmcia_requery(struct device *dev, void * _data)
+static int pcmcia_requery_callback(struct device *dev, void * _data)
 {
 	struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
 	if (!p_dev->dev.driver) {
-		ds_dev_dbg(1, dev, "update device information\n");
+		dev_dbg(dev, "update device information\n");
 		pcmcia_device_query(p_dev);
 	}
 
 	return 0;
 }
 
-static void pcmcia_bus_rescan(struct pcmcia_socket *skt, int new_cis)
-{
-	int no_devices = 0;
-	int ret = 0;
-	unsigned long flags;
 
-	/* must be called with skt_mutex held */
-	ds_dev_dbg(0, &skt->dev, "re-scanning socket %d\n", skt->sock);
-
-	spin_lock_irqsave(&pcmcia_dev_list_lock, flags);
-	if (list_empty(&skt->devices_list))
-		no_devices = 1;
-	spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
-
-	/* If this is because of a CIS override, start over */
-	if (new_cis && !no_devices)
-		pcmcia_card_remove(skt, NULL);
+static void pcmcia_requery(struct pcmcia_socket *s)
+{
+	int has_pfc;
 
-	/* if no devices were added for this socket yet because of
-	 * missing resource information or other trouble, we need to
-	 * do this now. */
-	if (no_devices || new_cis) {
-		ret = pcmcia_card_add(skt);
-		if (ret)
-			return;
+	if (s->functions == 0) {
+		pcmcia_card_add(s);
+		return;
 	}
 
 	/* some device information might have changed because of a CIS
 	 * update or because we can finally read it correctly... so
 	 * determine it again, overwriting old values if necessary. */
-	bus_for_each_dev(&pcmcia_bus_type, NULL, NULL, pcmcia_requery);
+	bus_for_each_dev(&pcmcia_bus_type, NULL, NULL, pcmcia_requery_callback);
+
+	/* if the CIS changed, we need to check whether the number of
+	 * functions changed. */
+	if (s->fake_cis) {
+		int old_funcs, new_funcs;
+		cistpl_longlink_mfc_t mfc;
+
+		/* does this cis override add or remove functions? */
+		old_funcs = s->functions;
+
+		if (!pccard_read_tuple(s, BIND_FN_ALL, CISTPL_LONGLINK_MFC,
+					&mfc))
+			new_funcs = mfc.nfn;
+		else
+			new_funcs = 1;
+		if (old_funcs != new_funcs) {
+			/* we need to re-start */
+			pcmcia_card_remove(s, NULL);
+			pcmcia_card_add(s);
+		}
+	}
+
+	/* If the PCMCIA device consists of two pseudo devices,
+	 * call pcmcia_device_add() -- which will fail if both
+	 * devices are already registered. */
+	mutex_lock(&s->ops_mutex);
+	has_pfc = s->pcmcia_state.has_pfc;
+	mutex_unlock(&s->ops_mutex);
+	if (has_pfc)
+		pcmcia_device_add(s, 0);
 
 	/* we re-scan all devices, not just the ones connected to this
 	 * socket. This does not matter, though. */
-	ret = bus_rescan_devices(&pcmcia_bus_type);
-	if (ret)
-		printk(KERN_INFO "pcmcia: bus_rescan_devices failed\n");
+	if (bus_rescan_devices(&pcmcia_bus_type))
+		dev_warn(&s->dev, "rescanning the bus failed\n");
 }
 
+
 #ifdef CONFIG_PCMCIA_LOAD_CIS
 
 /**
@@ -827,27 +717,16 @@ static int pcmcia_load_firmware(struct pcmcia_device *dev, char * filename)
 {
 	struct pcmcia_socket *s = dev->socket;
 	const struct firmware *fw;
-	char path[FIRMWARE_NAME_MAX];
 	int ret = -ENOMEM;
-	int no_funcs;
-	int old_funcs;
 	cistpl_longlink_mfc_t mfc;
+	int old_funcs, new_funcs = 1;
 
 	if (!filename)
 		return -EINVAL;
 
-	ds_dev_dbg(1, &dev->dev, "trying to load CIS file %s\n", filename);
+	dev_dbg(&dev->dev, "trying to load CIS file %s\n", filename);
 
-	if (strlen(filename) > (FIRMWARE_NAME_MAX - 1)) {
-		dev_printk(KERN_WARNING, &dev->dev,
-			   "pcmcia: CIS filename is too long [%s]\n",
-			   filename);
-		return -EINVAL;
-	}
-
-	snprintf(path, sizeof(path), "%s", filename);
-
-	if (request_firmware(&fw, path, &dev->dev) == 0) {
+	if (request_firmware(&fw, filename, &dev->dev) == 0) {
 		if (fw->size >= CISTPL_MAX_CIS_SIZE) {
 			ret = -EINVAL;
 			dev_printk(KERN_ERR, &dev->dev,
@@ -863,28 +742,25 @@ static int pcmcia_load_firmware(struct pcmcia_device *dev, char * filename)
 			goto release;
 		}
 
+		/* we need to re-start if the number of functions changed */
+		old_funcs = s->functions;
+		if (!pccard_read_tuple(s, BIND_FN_ALL, CISTPL_LONGLINK_MFC,
+					&mfc))
+			new_funcs = mfc.nfn;
+
+		if (old_funcs != new_funcs)
+			ret = -EBUSY;
 
 		/* update information */
 		pcmcia_device_query(dev);
 
-		/* does this cis override add or remove functions? */
-		old_funcs = s->functions;
-
-		if (!pccard_read_tuple(s, BIND_FN_ALL, CISTPL_LONGLINK_MFC, &mfc))
-			no_funcs = mfc.nfn;
-		else
-			no_funcs = 1;
-		s->functions = no_funcs;
-
-		if (old_funcs > no_funcs)
-			pcmcia_card_remove(s, dev);
-		else if (no_funcs > old_funcs)
-			pcmcia_add_device_later(s, 1);
+		/* requery (as number of functions might have changed) */
+		pcmcia_parse_uevents(s, PCMCIA_UEVENT_REQUERY);
 	}
  release:
 	release_firmware(fw);
 
-	return (ret);
+	return ret;
 }
 
 #else /* !CONFIG_PCMCIA_LOAD_CIS */
@@ -946,9 +822,14 @@ static inline int pcmcia_devmatch(struct pcmcia_device *dev,
 	if (did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) {
 		if (dev->device_no != did->device_no)
 			return 0;
+		mutex_lock(&dev->socket->ops_mutex);
+		dev->socket->pcmcia_state.has_pfc = 1;
+		mutex_unlock(&dev->socket->ops_mutex);
 	}
 
 	if (did->match_flags & PCMCIA_DEV_ID_MATCH_FUNC_ID) {
+		int ret;
+
 		if ((!dev->has_func_id) || (dev->func_id != did->func_id))
 			return 0;
 
@@ -963,66 +844,68 @@ static inline int pcmcia_devmatch(struct pcmcia_device *dev,
 		 * after it has re-checked that there is no possible module
 		 * with a prod_id/manf_id/card_id match.
 		 */
-		ds_dev_dbg(0, &dev->dev,
-			"skipping FUNC_ID match until userspace interaction\n");
-		if (!dev->allow_func_id_match)
+		mutex_lock(&dev->socket->ops_mutex);
+		ret = dev->allow_func_id_match;
+		mutex_unlock(&dev->socket->ops_mutex);
+
+		if (!ret) {
+			dev_dbg(&dev->dev,
+				"skipping FUNC_ID match until userspace ACK\n");
 			return 0;
+		}
 	}
 
 	if (did->match_flags & PCMCIA_DEV_ID_MATCH_FAKE_CIS) {
-		ds_dev_dbg(0, &dev->dev, "device needs a fake CIS\n");
-		if (!dev->socket->fake_cis)
-			pcmcia_load_firmware(dev, did->cisfile);
-
+		dev_dbg(&dev->dev, "device needs a fake CIS\n");
 		if (!dev->socket->fake_cis)
-			return 0;
+			if (pcmcia_load_firmware(dev, did->cisfile))
+				return 0;
 	}
 
 	if (did->match_flags & PCMCIA_DEV_ID_MATCH_ANONYMOUS) {
 		int i;
-		for (i=0; i<4; i++)
+		for (i = 0; i < 4; i++)
 			if (dev->prod_id[i])
 				return 0;
 		if (dev->has_manf_id || dev->has_card_id || dev->has_func_id)
 			return 0;
 	}
 
-	dev->dev.driver_data = (void *) did;
-
 	return 1;
 }
 
 
-static int pcmcia_bus_match(struct device * dev, struct device_driver * drv) {
-	struct pcmcia_device * p_dev = to_pcmcia_dev(dev);
-	struct pcmcia_driver * p_drv = to_pcmcia_drv(drv);
+static int pcmcia_bus_match(struct device *dev, struct device_driver *drv)
+{
+	struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
+	struct pcmcia_driver *p_drv = to_pcmcia_drv(drv);
 	struct pcmcia_device_id *did = p_drv->id_table;
 	struct pcmcia_dynid *dynid;
 
 	/* match dynamic devices first */
-	spin_lock(&p_drv->dynids.lock);
+	mutex_lock(&p_drv->dynids.lock);
 	list_for_each_entry(dynid, &p_drv->dynids.list, node) {
-		ds_dev_dbg(3, dev, "trying to match to %s\n", drv->name);
+		dev_dbg(dev, "trying to match to %s\n", drv->name);
 		if (pcmcia_devmatch(p_dev, &dynid->id)) {
-			ds_dev_dbg(0, dev, "matched to %s\n", drv->name);
-			spin_unlock(&p_drv->dynids.lock);
+			dev_dbg(dev, "matched to %s\n", drv->name);
+			mutex_unlock(&p_drv->dynids.lock);
 			return 1;
 		}
 	}
-	spin_unlock(&p_drv->dynids.lock);
+	mutex_unlock(&p_drv->dynids.lock);
 
 #ifdef CONFIG_PCMCIA_IOCTL
 	/* matching by cardmgr */
 	if (p_dev->cardmgr == p_drv) {
-		ds_dev_dbg(0, dev, "cardmgr matched to %s\n", drv->name);
+		dev_dbg(dev, "cardmgr matched to %s\n", drv->name);
 		return 1;
 	}
 #endif
 
 	while (did && did->match_flags) {
-		ds_dev_dbg(3, dev, "trying to match to %s\n", drv->name);
+		dev_dbg(dev, "trying to match to %s\n", drv->name);
 		if (pcmcia_devmatch(p_dev, did)) {
-			ds_dev_dbg(0, dev, "matched to %s\n", drv->name);
+			dev_dbg(dev, "matched to %s\n", drv->name);
 			return 1;
 		}
 		did++;
@@ -1045,7 +928,7 @@ static int pcmcia_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
 	p_dev = to_pcmcia_dev(dev);
 
 	/* calculate hashes */
-	for (i=0; i<4; i++) {
+	for (i = 0; i < 4; i++) {
 		if (!p_dev->prod_id[i])
 			continue;
 		hash[i] = crc32(0, p_dev->prod_id[i], strlen(p_dev->prod_id[i]));
@@ -1091,19 +974,20 @@ static int runtime_suspend(struct device *dev)
 {
 	int rc;
 
-	down(&dev->sem);
+	device_lock(dev);
 	rc = pcmcia_dev_suspend(dev, PMSG_SUSPEND);
-	up(&dev->sem);
+	device_unlock(dev);
 	return rc;
 }
 
-static void runtime_resume(struct device *dev)
+static int runtime_resume(struct device *dev)
 {
 	int rc;
 
-	down(&dev->sem);
+	device_lock(dev);
 	rc = pcmcia_dev_resume(dev);
-	up(&dev->sem);
+	device_unlock(dev);
+	return rc;
 }
 
 /************************ per-device sysfs output ***************************/
@@ -1112,14 +996,14 @@ static void runtime_resume(struct device *dev)
 static ssize_t field##_show (struct device *dev, struct device_attribute *attr, char *buf)		\
 {									\
 	struct pcmcia_device *p_dev = to_pcmcia_dev(dev);		\
-	return p_dev->test ? sprintf (buf, format, p_dev->field) : -ENODEV; \
+	return p_dev->test ? sprintf(buf, format, p_dev->field) : -ENODEV; \
 }
 
 #define pcmcia_device_stringattr(name, field)					\
 static ssize_t name##_show (struct device *dev, struct device_attribute *attr, char *buf)		\
 {									\
 	struct pcmcia_device *p_dev = to_pcmcia_dev(dev);		\
-	return p_dev->field ? sprintf (buf, "%s\n", p_dev->field) : -ENODEV; \
+	return p_dev->field ? sprintf(buf, "%s\n", p_dev->field) : -ENODEV; \
 }
 
 pcmcia_device_attr(func, socket, "0x%02x\n");
@@ -1148,13 +1032,13 @@ static ssize_t pcmcia_store_pm_state(struct device *dev, struct device_attribute
 	struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
 	int ret = 0;
 
-        if (!count)
-                return -EINVAL;
+	if (!count)
+		return -EINVAL;
 
 	if ((!p_dev->suspended) && !strncmp(buf, "off", 3))
 		ret = runtime_suspend(dev);
 	else if (p_dev->suspended && !strncmp(buf, "on", 2))
-		runtime_resume(dev);
+		ret = runtime_resume(dev);
 
 	return ret ? ret : count;
 }
@@ -1167,10 +1051,11 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
 	u32 hash[4] = { 0, 0, 0, 0};
 
 	/* calculate hashes */
-	for (i=0; i<4; i++) {
+	for (i = 0; i < 4; i++) {
 		if (!p_dev->prod_id[i])
 			continue;
-		hash[i] = crc32(0,p_dev->prod_id[i],strlen(p_dev->prod_id[i]));
+		hash[i] = crc32(0, p_dev->prod_id[i],
+				strlen(p_dev->prod_id[i]));
 	}
 	return sprintf(buf, "pcmcia:m%04Xc%04Xf%02Xfn%02Xpfn%02X"
 				"pa%08Xpb%08Xpc%08Xpd%08X\n",
@@ -1185,19 +1070,14 @@ static ssize_t pcmcia_store_allow_func_id_match(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t count)
 {
 	struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
-	int ret;
 
 	if (!count)
 		return -EINVAL;
 
-	mutex_lock(&p_dev->socket->skt_mutex);
+	mutex_lock(&p_dev->socket->ops_mutex);
 	p_dev->allow_func_id_match = 1;
-	mutex_unlock(&p_dev->socket->skt_mutex);
-
-	ret = bus_rescan_devices(&pcmcia_bus_type);
-	if (ret)
-		printk(KERN_INFO "pcmcia: bus_rescan_devices failed after "
-		       "allowing func_id matches\n");
+	mutex_unlock(&p_dev->socket->ops_mutex);
+	pcmcia_parse_uevents(p_dev->socket, PCMCIA_UEVENT_REQUERY);
 
 	return count;
 }
@@ -1219,16 +1099,21 @@ static struct device_attribute pcmcia_dev_attrs[] = {
 
 /* PM support, also needed for reset */
 
-static int pcmcia_dev_suspend(struct device * dev, pm_message_t state)
+static int pcmcia_dev_suspend(struct device *dev, pm_message_t state)
 {
 	struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
 	struct pcmcia_driver *p_drv = NULL;
 	int ret = 0;
 
-	if (p_dev->suspended)
+	mutex_lock(&p_dev->socket->ops_mutex);
+	if (p_dev->suspended) {
+		mutex_unlock(&p_dev->socket->ops_mutex);
 		return 0;
+	}
+	p_dev->suspended = 1;
+	mutex_unlock(&p_dev->socket->ops_mutex);
 
-	ds_dev_dbg(2, dev, "suspending\n");
+	dev_dbg(dev, "suspending\n");
 
 	if (dev->driver)
 		p_drv = to_pcmcia_drv(dev->driver);
@@ -1243,32 +1128,38 @@ static int pcmcia_dev_suspend(struct device * dev, pm_message_t state)
 				   "pcmcia: device %s (driver %s) did "
 				   "not want to go to sleep (%d)\n",
 				   p_dev->devname, p_drv->drv.name, ret);
+			mutex_lock(&p_dev->socket->ops_mutex);
+			p_dev->suspended = 0;
+			mutex_unlock(&p_dev->socket->ops_mutex);
 			goto out;
 		}
 	}
 
 	if (p_dev->device_no == p_dev->func) {
-		ds_dev_dbg(2, dev, "releasing configuration\n");
+		dev_dbg(dev, "releasing configuration\n");
 		pcmcia_release_configuration(p_dev);
 	}
 
  out:
-	if (!ret)
-		p_dev->suspended = 1;
 	return ret;
 }
 
 
-static int pcmcia_dev_resume(struct device * dev)
+static int pcmcia_dev_resume(struct device *dev)
 {
 	struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
-        struct pcmcia_driver *p_drv = NULL;
+	struct pcmcia_driver *p_drv = NULL;
 	int ret = 0;
 
-	if (!p_dev->suspended)
+	mutex_lock(&p_dev->socket->ops_mutex);
+	if (!p_dev->suspended) {
+		mutex_unlock(&p_dev->socket->ops_mutex);
 		return 0;
+	}
+	p_dev->suspended = 0;
+	mutex_unlock(&p_dev->socket->ops_mutex);
 
-	ds_dev_dbg(2, dev, "resuming\n");
+	dev_dbg(dev, "resuming\n");
 
 	if (dev->driver)
 		p_drv = to_pcmcia_drv(dev->driver);
@@ -1277,7 +1168,7 @@ static int pcmcia_dev_resume(struct device * dev)
 		goto out;
 
 	if (p_dev->device_no == p_dev->func) {
-		ds_dev_dbg(2, dev, "requesting configuration\n");
+		dev_dbg(dev, "requesting configuration\n");
 		ret = pcmcia_request_configuration(p_dev, &p_dev->conf);
 		if (ret)
 			goto out;
@@ -1287,8 +1178,6 @@ static int pcmcia_dev_resume(struct device * dev)
 		ret = p_drv->resume(p_dev);
 
  out:
-	if (!ret)
-		p_dev->suspended = 0;
 	return ret;
 }
 
@@ -1319,14 +1208,14 @@ static int pcmcia_bus_resume_callback(struct device *dev, void * _data)
 
 static int pcmcia_bus_resume(struct pcmcia_socket *skt)
 {
-	ds_dev_dbg(2, &skt->dev, "resuming socket %d\n", skt->sock);
+	dev_dbg(&skt->dev, "resuming socket %d\n", skt->sock);
 	bus_for_each_dev(&pcmcia_bus_type, NULL, skt, pcmcia_bus_resume_callback);
 	return 0;
 }
 
 static int pcmcia_bus_suspend(struct pcmcia_socket *skt)
 {
-	ds_dev_dbg(2, &skt->dev, "suspending socket %d\n", skt->sock);
+	dev_dbg(&skt->dev, "suspending socket %d\n", skt->sock);
 	if (bus_for_each_dev(&pcmcia_bus_type, NULL, skt,
 			     pcmcia_bus_suspend_callback)) {
 		pcmcia_bus_resume(skt);
@@ -1339,7 +1228,7 @@ static int pcmcia_bus_suspend(struct pcmcia_socket *skt)
 /*======================================================================
 
     The card status event handler.
-    
+
 ======================================================================*/
 
 /* Normally, the event is passed to individual drivers after
@@ -1358,18 +1247,25 @@ static int ds_event(struct pcmcia_socket *skt, event_t event, int priority)
 		return -ENODEV;
 	}
 
-	ds_dev_dbg(1, &skt->dev, "ds_event(0x%06x, %d, 0x%p)\n",
+	dev_dbg(&skt->dev, "ds_event(0x%06x, %d, 0x%p)\n",
 		   event, priority, skt);
 
 	switch (event) {
 	case CS_EVENT_CARD_REMOVAL:
-		s->pcmcia_state.present = 0;
+		atomic_set(&skt->present, 0);
 		pcmcia_card_remove(skt, NULL);
 		handle_event(skt, event);
+		mutex_lock(&s->ops_mutex);
+		destroy_cis_cache(s);
+		mutex_unlock(&s->ops_mutex);
 		break;
 
 	case CS_EVENT_CARD_INSERTION:
-		s->pcmcia_state.present = 1;
+		atomic_set(&skt->present, 1);
+		mutex_lock(&s->ops_mutex);
+		s->pcmcia_state.has_pfc = 0;
+		destroy_cis_cache(s); /* to be on the safe side... */
+		mutex_unlock(&s->ops_mutex);
 		pcmcia_card_add(skt);
 		handle_event(skt, event);
 		break;
@@ -1377,8 +1273,24 @@ static int ds_event(struct pcmcia_socket *skt, event_t event, int priority)
 	case CS_EVENT_EJECTION_REQUEST:
 		break;
 
-	case CS_EVENT_PM_SUSPEND:
 	case CS_EVENT_PM_RESUME:
+		if (verify_cis_cache(skt) != 0) {
+			dev_dbg(&skt->dev, "cis mismatch - different card\n");
+			/* first, remove the card */
+			ds_event(skt, CS_EVENT_CARD_REMOVAL, CS_EVENT_PRI_HIGH);
+			mutex_lock(&s->ops_mutex);
+			destroy_cis_cache(skt);
+			kfree(skt->fake_cis);
+			skt->fake_cis = NULL;
+			mutex_unlock(&s->ops_mutex);
+			/* now, add the new card */
+			ds_event(skt, CS_EVENT_CARD_INSERTION,
+				 CS_EVENT_PRI_LOW);
+		}
+		handle_event(skt, event);
+		break;
+
+	case CS_EVENT_PM_SUSPEND:
 	case CS_EVENT_RESET_PHYSICAL:
 	case CS_EVENT_CARD_RESET:
 	default:
@@ -1391,8 +1303,14 @@ static int ds_event(struct pcmcia_socket *skt, event_t event, int priority)
     return 0;
 } /* ds_event */
 
-
-struct pcmcia_device * pcmcia_dev_present(struct pcmcia_device *_p_dev)
+/*
+ * NOTE: This is racy. There's no guarantee the card will still be
+ * physically present, even if the call to this function returns
+ * non-NULL. Furthermore, the device driver most likely is unbound
+ * almost immediately, so the timeframe where pcmcia_dev_present
+ * returns NULL is probably really really small.
+ */
+struct pcmcia_device *pcmcia_dev_present(struct pcmcia_device *_p_dev)
 {
 	struct pcmcia_device *p_dev;
 	struct pcmcia_device *ret = NULL;
@@ -1401,17 +1319,9 @@ struct pcmcia_device * pcmcia_dev_present(struct pcmcia_device *_p_dev)
 	if (!p_dev)
 		return NULL;
 
-	if (!p_dev->socket->pcmcia_state.present)
-		goto out;
-
-	if (p_dev->_removed)
-		goto out;
-
-	if (p_dev->suspended)
-		goto out;
+	if (atomic_read(&p_dev->socket->present) != 0)
+		ret = p_dev;
 
-	ret = p_dev;
- out:
 	pcmcia_put_dev(p_dev);
 	return ret;
 }
@@ -1421,7 +1331,8 @@ EXPORT_SYMBOL(pcmcia_dev_present);
 static struct pcmcia_callback pcmcia_bus_callback = {
 	.owner = THIS_MODULE,
 	.event = ds_event,
-	.requery = pcmcia_bus_rescan,
+	.requery = pcmcia_requery,
+	.validate = pccard_validate_cis,
 	.suspend = pcmcia_bus_suspend,
 	.resume = pcmcia_bus_resume,
 };
@@ -1439,17 +1350,17 @@ static int __devinit pcmcia_bus_add_socket(struct device *dev,
 		return -ENODEV;
 	}
 
-	/*
-	 * Ugly. But we want to wait for the socket threads to have started up.
-	 * We really should let the drivers themselves drive some of this..
-	 */
-	msleep(250);
+	ret = sysfs_create_bin_file(&dev->kobj, &pccard_cis_attr);
+	if (ret) {
+		dev_printk(KERN_ERR, dev, "PCMCIA registration failed\n");
+		pcmcia_put_socket(socket);
+		return ret;
+	}
 
 #ifdef CONFIG_PCMCIA_IOCTL
 	init_waitqueue_head(&socket->queue);
 #endif
 	INIT_LIST_HEAD(&socket->devices_list);
-	INIT_WORK(&socket->device_add, pcmcia_delayed_add_device);
 	memset(&socket->pcmcia_state, 0, sizeof(u8));
 	socket->device_count = 0;
 
@@ -1457,9 +1368,11 @@ static int __devinit pcmcia_bus_add_socket(struct device *dev,
 	if (ret) {
 		dev_printk(KERN_ERR, dev, "PCMCIA registration failed\n");
 		pcmcia_put_socket(socket);
-		return (ret);
+		return ret;
 	}
 
+	atomic_set(&socket->present, 0);
+
 	return 0;
 }
 
@@ -1471,14 +1384,16 @@ static void pcmcia_bus_remove_socket(struct device *dev,
 	if (!socket)
 		return;
 
-	socket->pcmcia_state.dead = 1;
 	pccard_register_pcmcia(socket, NULL);
 
 	/* unregister any unbound devices */
 	mutex_lock(&socket->skt_mutex);
 	pcmcia_card_remove(socket, NULL);
+	release_cis_mem(socket);
 	mutex_unlock(&socket->skt_mutex);
 
+	sysfs_remove_bin_file(&dev->kobj, &pccard_cis_attr);
+
 	pcmcia_put_socket(socket);
 
 	return;
@@ -1509,8 +1424,6 @@ static int __init init_pcmcia_bus(void)
 {
 	int ret;
 
-	spin_lock_init(&pcmcia_dev_list_lock);
-
 	ret = bus_register(&pcmcia_bus_type);
 	if (ret < 0) {
 		printk(KERN_WARNING "pcmcia: bus_register error: %d\n", ret);
@@ -1528,7 +1441,7 @@ static int __init init_pcmcia_bus(void)
 
 	return 0;
 }
-fs_initcall(init_pcmcia_bus); /* one level after subsys_initcall so that 
+fs_initcall(init_pcmcia_bus); /* one level after subsys_initcall so that
 			       * pcmcia_socket_class is already registered */