7 files changed, 224 insertions, 139 deletions

diff --git a/drivers/pcmcia/at91_cf.c b/drivers/pcmcia/at91_cf.c
index 3bcb7dc32995..b6746301d9a9 100644
--- a/drivers/pcmcia/at91_cf.c
+++ b/drivers/pcmcia/at91_cf.c
@@ -32,10 +32,11 @@
  * A0..A10 work in each range; A23 indicates I/O space;  A25 is CFRNW;
  * some other bit in {A24,A22..A11} is nREG to flag memory access
  * (vs attributes).  So more than 2KB/region would just be waste.
+ * Note: These are offsets from the physical base address.
  */
-#define CF_ATTR_PHYS    (AT91_CF_BASE)
-#define CF_IO_PHYS      (AT91_CF_BASE  + (1 << 23))
-#define CF_MEM_PHYS     (AT91_CF_BASE  + 0x017ff800)
+#define CF_ATTR_PHYS    (0)
+#define CF_IO_PHYS      (1 << 23)
+#define CF_MEM_PHYS     (0x017ff800)
 
 /*--------------------------------------------------------------------------*/
 
@@ -48,6 +49,8 @@ struct at91_cf_socket {
 
         struct platform_device  *pdev;
         struct at91_cf_data     *board;
+
+        unsigned long           phys_baseaddr;
 };
 
 #define SZ_2K                   (2 * SZ_1K)
@@ -154,9 +157,8 @@ static int at91_cf_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io)
 
         /*
          * Use 16 bit accesses unless/until we need 8-bit i/o space.
-         * Always set CSR4 ... PCMCIA won't always unmap things.
          */
-        csr = at91_sys_read(AT91_SMC_CSR(4)) & ~AT91_SMC_DBW;
+        csr = at91_sys_read(AT91_SMC_CSR(cf->board->chipselect)) & ~AT91_SMC_DBW;
 
         /*
          * NOTE: this CF controller ignores IOIS16, so we can't really do
@@ -168,14 +170,14 @@ static int at91_cf_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io)
          * some cards only like that way to get at the odd byte, despite
          * CF 3.0 spec table 35 also giving the D8-D15 option.
          */
-        if (!(io->flags & (MAP_16BIT|MAP_AUTOSZ))) {
+        if (!(io->flags & (MAP_16BIT | MAP_AUTOSZ))) {
                 csr |= AT91_SMC_DBW_8;
                 pr_debug("%s: 8bit i/o bus\n", driver_name);
         } else {
                 csr |= AT91_SMC_DBW_16;
                 pr_debug("%s: 16bit i/o bus\n", driver_name);
         }
-        at91_sys_write(AT91_SMC_CSR(4), csr);
+        at91_sys_write(AT91_SMC_CSR(cf->board->chipselect), csr);
 
         io->start = cf->socket.io_offset;
         io->stop = io->start + SZ_2K - 1;
@@ -194,11 +196,11 @@ at91_cf_set_mem_map(struct pcmcia_socket *s, struct pccard_mem_map *map)
 
         cf = container_of(s, struct at91_cf_socket, socket);
 
-        map->flags &= MAP_ACTIVE|MAP_ATTRIB|MAP_16BIT;
+        map->flags &= (MAP_ACTIVE | MAP_ATTRIB | MAP_16BIT);
         if (map->flags & MAP_ATTRIB)
-                map->static_start = CF_ATTR_PHYS;
+                map->static_start = cf->phys_baseaddr + CF_ATTR_PHYS;
         else
-                map->static_start = CF_MEM_PHYS;
+                map->static_start = cf->phys_baseaddr + CF_MEM_PHYS;
 
         return 0;
 }
@@ -219,7 +221,6 @@ static int __init at91_cf_probe(struct platform_device *pdev)
         struct at91_cf_socket   *cf;
         struct at91_cf_data     *board = pdev->dev.platform_data;
         struct resource         *io;
-        unsigned int            csa;
         int                     status;
 
         if (!board || !board->det_pin || !board->rst_pin)
@@ -235,33 +236,11 @@ static int __init at91_cf_probe(struct platform_device *pdev)
 
         cf->board = board;
         cf->pdev = pdev;
+        cf->phys_baseaddr = io->start;
         platform_set_drvdata(pdev, cf);
 
-        /* CF takes over CS4, CS5, CS6 */
-        csa = at91_sys_read(AT91_EBI_CSA);
-        at91_sys_write(AT91_EBI_CSA, csa | AT91_EBI_CS4A_SMC_COMPACTFLASH);
-
-        /* nWAIT is _not_ a default setting */
-        (void) at91_set_A_periph(AT91_PIN_PC6, 1);      /*  nWAIT */
-
-        /*
-         * Static memory controller timing adjustments.
-         * REVISIT:  these timings are in terms of MCK cycles, so
-         * when MCK changes (cpufreq etc) so must these values...
-         */
-        at91_sys_write(AT91_SMC_CSR(4),
-                                  AT91_SMC_ACSS_STD
-                                | AT91_SMC_DBW_16
-                                | AT91_SMC_BAT
-                                | AT91_SMC_WSEN
-                                | AT91_SMC_NWS_(32)     /* wait states */
-                                | AT91_SMC_RWSETUP_(6)  /* setup time */
-                                | AT91_SMC_RWHOLD_(4)   /* hold time */
-        );
-
         /* must be a GPIO; ergo must trigger on both edges */
-        status = request_irq(board->det_pin, at91_cf_irq,
-                        IRQF_SAMPLE_RANDOM, driver_name, cf);
+        status = request_irq(board->det_pin, at91_cf_irq, 0, driver_name, cf);
         if (status < 0)
                 goto fail0;
         device_init_wakeup(&pdev->dev, 1);
@@ -282,14 +261,18 @@ static int __init at91_cf_probe(struct platform_device *pdev)
                 cf->socket.pci_irq = NR_IRQS + 1;
 
         /* pcmcia layer only remaps "real" memory not iospace */
-        cf->socket.io_offset = (unsigned long) ioremap(CF_IO_PHYS, SZ_2K);
-        if (!cf->socket.io_offset)
+        cf->socket.io_offset = (unsigned long) ioremap(cf->phys_baseaddr + CF_IO_PHYS, SZ_2K);
+        if (!cf->socket.io_offset) {
+                status = -ENXIO;
                 goto fail1;
+        }
 
-        /* reserve CS4, CS5, and CS6 regions; but use just CS4 */
+        /* reserve chip-select regions */
         if (!request_mem_region(io->start, io->end + 1 - io->start,
-                                driver_name))
+                                driver_name)) {
+                status = -ENXIO;
                 goto fail1;
+        }
 
         pr_info("%s: irqs det #%d, io #%d\n", driver_name,
                 board->det_pin, board->irq_pin);
@@ -319,9 +302,7 @@ fail1:
 fail0a:
         device_init_wakeup(&pdev->dev, 0);
         free_irq(board->det_pin, cf);
-        device_init_wakeup(&pdev->dev, 0);
 fail0:
-        at91_sys_write(AT91_EBI_CSA, csa);
         kfree(cf);
         return status;
 }
@@ -331,19 +312,15 @@ static int __exit at91_cf_remove(struct platform_device *pdev)
         struct at91_cf_socket   *cf = platform_get_drvdata(pdev);
         struct at91_cf_data     *board = cf->board;
         struct resource         *io = cf->socket.io[0].res;
-        unsigned int            csa;
 
         pcmcia_unregister_socket(&cf->socket);
         if (board->irq_pin)
                 free_irq(board->irq_pin, cf);
-        free_irq(board->det_pin, cf);
         device_init_wakeup(&pdev->dev, 0);
+        free_irq(board->det_pin, cf);
         iounmap((void __iomem *) cf->socket.io_offset);
         release_mem_region(io->start, io->end + 1 - io->start);
 
-        csa = at91_sys_read(AT91_EBI_CSA);
-        at91_sys_write(AT91_EBI_CSA, csa & ~AT91_EBI_CS4A);
-
         kfree(cf);
         return 0;
 }
diff --git a/drivers/pcmcia/cs_internal.h b/drivers/pcmcia/cs_internal.h
index d6164cd583fd..f573ea04db6f 100644
--- a/drivers/pcmcia/cs_internal.h
+++ b/drivers/pcmcia/cs_internal.h
@@ -135,7 +135,7 @@ int pccard_get_status(struct pcmcia_socket *s, struct pcmcia_device *p_dev, cs_s
 struct pcmcia_callback{
         struct module   *owner;
         int             (*event) (struct pcmcia_socket *s, event_t event, int priority);
-        void            (*requery) (struct pcmcia_socket *s);
+        void            (*requery) (struct pcmcia_socket *s, int new_cis);
         int             (*suspend) (struct pcmcia_socket *s);
         int             (*resume) (struct pcmcia_socket *s);
 };
diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index ff14fd8f0cd1..7355eb455a88 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -231,65 +231,6 @@ static void pcmcia_check_driver(struct pcmcia_driver *p_drv)
 }
 
 
-#ifdef CONFIG_PCMCIA_LOAD_CIS
-
-/**
- * pcmcia_load_firmware - load CIS from userspace if device-provided is broken
- * @dev - the pcmcia device which needs a CIS override
- * @filename - requested filename in /lib/firmware/
- *
- * This uses the in-kernel firmware loading mechanism to use a "fake CIS" if
- * the one provided by the card is broken. The firmware files reside in
- * /lib/firmware/ in userspace.
- */
-static int pcmcia_load_firmware(struct pcmcia_device *dev, char * filename)
-{
-        struct pcmcia_socket *s = dev->socket;
-        const struct firmware *fw;
-        char path[20];
-        int ret=-ENOMEM;
-        cisdump_t *cis;
-
-        if (!filename)
-                return -EINVAL;
-
-        ds_dbg(1, "trying to load firmware %s\n", filename);
-
-        if (strlen(filename) > 14)
-                return -EINVAL;
-
-        snprintf(path, 20, "%s", filename);
-
-        if (request_firmware(&fw, path, &dev->dev) == 0) {
-                if (fw->size >= CISTPL_MAX_CIS_SIZE)
-                        goto release;
-
-                cis = kzalloc(sizeof(cisdump_t), GFP_KERNEL);
-                if (!cis)
-                        goto release;
-
-                cis->Length = fw->size + 1;
-                memcpy(cis->Data, fw->data, fw->size);
-
-                if (!pcmcia_replace_cis(s, cis))
-                        ret = 0;
-        }
- release:
-        release_firmware(fw);
-
-        return (ret);
-}
-
-#else /* !CONFIG_PCMCIA_LOAD_CIS */
-
-static inline int pcmcia_load_firmware(struct pcmcia_device *dev, char * filename)
-{
-        return -ENODEV;
-}
-
-#endif
-
-
 /*======================================================================*/
 
 
@@ -309,6 +250,8 @@ int pcmcia_register_driver(struct pcmcia_driver *driver)
         driver->drv.bus = &pcmcia_bus_type;
         driver->drv.owner = driver->owner;
 
+        ds_dbg(3, "registering driver %s\n", driver->drv.name);
+
         return driver_register(&driver->drv);
 }
 EXPORT_SYMBOL(pcmcia_register_driver);
@@ -318,6 +261,7 @@ EXPORT_SYMBOL(pcmcia_register_driver);
  */
 void pcmcia_unregister_driver(struct pcmcia_driver *driver)
 {
+        ds_dbg(3, "unregistering driver %s\n", driver->drv.name);
         driver_unregister(&driver->drv);
 }
 EXPORT_SYMBOL(pcmcia_unregister_driver);
@@ -343,23 +287,27 @@ 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");
         kfree(c);
 }
 
 static void pcmcia_release_dev(struct device *dev)
 {
         struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
-        ds_dbg(1, "releasing dev %p\n", p_dev);
+        ds_dbg(1, "releasing device %s\n", p_dev->dev.bus_id);
         pcmcia_put_socket(p_dev->socket);
         kfree(p_dev->devname);
         kref_put(&p_dev->function_config->ref, pcmcia_release_function);
         kfree(p_dev);
 }
 
-static void pcmcia_add_pseudo_device(struct pcmcia_socket *s)
+static void pcmcia_add_device_later(struct pcmcia_socket *s, int mfc)
 {
         if (!s->pcmcia_state.device_add_pending) {
+                ds_dbg(1, "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;
@@ -371,6 +319,7 @@ static int pcmcia_device_probe(struct device * dev)
         struct pcmcia_driver *p_drv;
         struct pcmcia_device_id *did;
         struct pcmcia_socket *s;
+        cistpl_config_t cis_config;
         int ret = 0;
 
         dev = get_device(dev);
@@ -381,15 +330,33 @@ static int pcmcia_device_probe(struct device * dev)
         p_drv = to_pcmcia_drv(dev->driver);
         s = p_dev->socket;
 
+        ds_dbg(1, "trying to bind %s to %s\n", p_dev->dev.bus_id,
+               p_drv->drv.name);
+
         if ((!p_drv->probe) || (!p_dev->function_config) ||
             (!try_module_get(p_drv->owner))) {
                 ret = -EINVAL;
                 goto put_dev;
         }
 
+        /* set up some more device information */
+        ret = pccard_read_tuple(p_dev->socket, p_dev->func, CISTPL_CONFIG,
+                                &cis_config);
+        if (!ret) {
+                p_dev->conf.ConfigBase = cis_config.base;
+                p_dev->conf.Present = cis_config.rmask[0];
+        } else {
+                printk(KERN_INFO "pcmcia: could not parse base and rmask0 of CIS\n");
+                p_dev->conf.ConfigBase = 0;
+                p_dev->conf.Present = 0;
+        }
+
         ret = p_drv->probe(p_dev);
-        if (ret)
+        if (ret) {
+                ds_dbg(1, "binding %s to %s failed with %d\n",
+                       p_dev->dev.bus_id, p_drv->drv.name, ret);
                 goto put_module;
+        }
 
         /* handle pseudo multifunction devices:
          * there are at most two pseudo multifunction devices.
@@ -400,7 +367,7 @@ static int pcmcia_device_probe(struct device * dev)
         did = p_dev->dev.driver_data;
         if (did && (did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) &&
             (p_dev->socket->device_count == 1) && (p_dev->device_no == 0))
-                pcmcia_add_pseudo_device(p_dev->socket);
+                pcmcia_add_device_later(p_dev->socket, 0);
 
  put_module:
         if (ret)
@@ -421,8 +388,8 @@ static void pcmcia_card_remove(struct pcmcia_socket *s, struct pcmcia_device *le
         struct pcmcia_device    *tmp;
         unsigned long           flags;
 
-        ds_dbg(2, "unbind_request(%d)\n", s->sock);
-
+        ds_dbg(2, "pcmcia_card_remove(%d) %s\n", s->sock,
+               leftover ? leftover->devname : "");
 
         if (!leftover)
                 s->device_count = 0;
@@ -439,6 +406,7 @@ static void pcmcia_card_remove(struct pcmcia_socket *s, struct pcmcia_device *le
                 p_dev->_removed=1;
                 spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
 
+                ds_dbg(2, "unregistering device %s\n", p_dev->dev.bus_id);
                 device_unregister(&p_dev->dev);
         }
 
@@ -455,6 +423,8 @@ static int pcmcia_device_remove(struct device * dev)
         p_dev = to_pcmcia_dev(dev);
         p_drv = to_pcmcia_drv(dev->driver);
 
+        ds_dbg(1, "removing device %s\n", p_dev->dev.bus_id);
+
         /* If we're removing the primary module driving a
          * pseudo multi-function card, we need to unbind
          * all devices
@@ -587,8 +557,10 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f
 
         mutex_lock(&device_add_lock);
 
-        /* max of 2 devices per card */
-        if (s->device_count == 2)
+        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;
 
         p_dev = kzalloc(sizeof(struct pcmcia_device), GFP_KERNEL);
@@ -598,8 +570,6 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f
         p_dev->socket = s;
         p_dev->device_no = (s->device_count++);
         p_dev->func   = function;
-        if (s->functions <= function)
-                s->functions = function + 1;
 
         p_dev->dev.bus = &pcmcia_bus_type;
         p_dev->dev.parent = s->dev.dev;
@@ -610,8 +580,8 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f
         if (!p_dev->devname)
                 goto err_free;
         sprintf (p_dev->devname, "pcmcia%s", p_dev->dev.bus_id);
+        ds_dbg(3, "devname is %s\n", p_dev->devname);
 
-        /* compat */
         spin_lock_irqsave(&pcmcia_dev_list_lock, flags);
 
         /*
@@ -631,6 +601,7 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f
         spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
 
         if (!p_dev->function_config) {
+                ds_dbg(3, "creating config_t for %s\n", p_dev->dev.bus_id);
                 p_dev->function_config = kzalloc(sizeof(struct config_t),
                                                  GFP_KERNEL);
                 if (!p_dev->function_config)
@@ -674,11 +645,16 @@ static int pcmcia_card_add(struct pcmcia_socket *s)
         unsigned int no_funcs, i;
         int ret = 0;
 
-        if (!(s->resource_setup_done))
+        if (!(s->resource_setup_done)) {
+                ds_dbg(3, "no resources available, delaying card_add\n");
                 return -EAGAIN; /* try again, but later... */
+        }
 
-        if (pcmcia_validate_mem(s))
+        if (pcmcia_validate_mem(s)) {
+                ds_dbg(3, "validating mem resources failed, "
+                       "delaying card_add\n");
                 return -EAGAIN; /* try again, but later... */
+        }
 
         ret = pccard_validate_cis(s, BIND_FN_ALL, &cisinfo);
         if (ret || !cisinfo.Chains) {
@@ -690,6 +666,7 @@ static int pcmcia_card_add(struct pcmcia_socket *s)
                 no_funcs = mfc.nfn;
         else
                 no_funcs = 1;
+        s->functions = no_funcs;
 
         for (i=0; i < no_funcs; i++)
                 pcmcia_device_add(s, i);
@@ -698,39 +675,50 @@ static int pcmcia_card_add(struct pcmcia_socket *s)
 }
 
 
-static void pcmcia_delayed_add_pseudo_device(struct work_struct *work)
+static void pcmcia_delayed_add_device(struct work_struct *work)
 {
         struct pcmcia_socket *s =
                 container_of(work, struct pcmcia_socket, device_add);
-        pcmcia_device_add(s, 0);
+        ds_dbg(1, "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)
 {
         struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
-        if (!p_dev->dev.driver)
+        if (!p_dev->dev.driver) {
+                ds_dbg(1, "update device information for %s\n",
+                       p_dev->dev.bus_id);
                 pcmcia_device_query(p_dev);
+        }
 
         return 0;
 }
 
-static void pcmcia_bus_rescan(struct pcmcia_socket *skt)
+static void pcmcia_bus_rescan(struct pcmcia_socket *skt, int new_cis)
 {
-        int no_devices=0;
+        int no_devices = 0;
         int ret = 0;
         unsigned long flags;
 
         /* must be called with skt_mutex held */
+        ds_dbg(0, "re-scanning socket %d\n", skt->sock);
+
         spin_lock_irqsave(&pcmcia_dev_list_lock, flags);
         if (list_empty(&skt->devices_list))
-                no_devices=1;
+                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);
+
         /* 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) {
+        if (no_devices || new_cis) {
                 ret = pcmcia_card_add(skt);
                 if (ret)
                         return;
@@ -748,6 +736,97 @@ static void pcmcia_bus_rescan(struct pcmcia_socket *skt)
                 printk(KERN_INFO "pcmcia: bus_rescan_devices failed\n");
 }
 
+#ifdef CONFIG_PCMCIA_LOAD_CIS
+
+/**
+ * pcmcia_load_firmware - load CIS from userspace if device-provided is broken
+ * @dev - the pcmcia device which needs a CIS override
+ * @filename - requested filename in /lib/firmware/
+ *
+ * This uses the in-kernel firmware loading mechanism to use a "fake CIS" if
+ * the one provided by the card is broken. The firmware files reside in
+ * /lib/firmware/ in userspace.
+ */
+static int pcmcia_load_firmware(struct pcmcia_device *dev, char * filename)
+{
+        struct pcmcia_socket *s = dev->socket;
+        const struct firmware *fw;
+        char path[20];
+        int ret = -ENOMEM;
+        int no_funcs;
+        int old_funcs;
+        cisdump_t *cis;
+        cistpl_longlink_mfc_t mfc;
+
+        if (!filename)
+                return -EINVAL;
+
+        ds_dbg(1, "trying to load CIS file %s\n", filename);
+
+        if (strlen(filename) > 14) {
+                printk(KERN_WARNING "pcmcia: CIS filename is too long\n");
+                return -EINVAL;
+        }
+
+        snprintf(path, 20, "%s", filename);
+
+        if (request_firmware(&fw, path, &dev->dev) == 0) {
+                if (fw->size >= CISTPL_MAX_CIS_SIZE) {
+                        ret = -EINVAL;
+                        printk(KERN_ERR "pcmcia: CIS override is too big\n");
+                        goto release;
+                }
+
+                cis = kzalloc(sizeof(cisdump_t), GFP_KERNEL);
+                if (!cis) {
+                        ret = -ENOMEM;
+                        goto release;
+                }
+
+                cis->Length = fw->size + 1;
+                memcpy(cis->Data, fw->data, fw->size);
+
+                if (!pcmcia_replace_cis(s, cis))
+                        ret = 0;
+                else {
+                        printk(KERN_ERR "pcmcia: CIS override failed\n");
+                        goto release;
+                }
+
+
+                /* 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);
+        }
+ release:
+        release_firmware(fw);
+
+        return (ret);
+}
+
+#else /* !CONFIG_PCMCIA_LOAD_CIS */
+
+static inline int pcmcia_load_firmware(struct pcmcia_device *dev, char * filename)
+{
+        return -ENODEV;
+}
+
+#endif
+
+
 static inline int pcmcia_devmatch(struct pcmcia_device *dev,
                                   struct pcmcia_device_id *did)
 {
@@ -814,11 +893,14 @@ 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_dbg(0, "skipping FUNC_ID match for %s until userspace "
+                       "interaction\n", dev->dev.bus_id);
                 if (!dev->allow_func_id_match)
                         return 0;
         }
 
         if (did->match_flags & PCMCIA_DEV_ID_MATCH_FAKE_CIS) {
+                ds_dbg(0, "device %s needs a fake CIS\n", dev->dev.bus_id);
                 if (!dev->socket->fake_cis)
                         pcmcia_load_firmware(dev, did->cisfile);
 
@@ -848,13 +930,21 @@ static int pcmcia_bus_match(struct device * dev, struct device_driver * drv) {
 
 #ifdef CONFIG_PCMCIA_IOCTL
         /* matching by cardmgr */
-        if (p_dev->cardmgr == p_drv)
+        if (p_dev->cardmgr == p_drv) {
+                ds_dbg(0, "cardmgr matched %s to %s\n", dev->bus_id,
+                       drv->name);
                 return 1;
+        }
 #endif
 
         while (did && did->match_flags) {
-                if (pcmcia_devmatch(p_dev, did))
+                ds_dbg(3, "trying to match %s to %s\n", dev->bus_id,
+                       drv->name);
+                if (pcmcia_devmatch(p_dev, did)) {
+                        ds_dbg(0, "matched %s to %s\n", dev->bus_id,
+                               drv->name);
                         return 1;
+                }
                 did++;
         }
 
@@ -1045,6 +1135,8 @@ static int pcmcia_dev_suspend(struct device * dev, pm_message_t state)
         struct pcmcia_driver *p_drv = NULL;
         int ret = 0;
 
+        ds_dbg(2, "suspending %s\n", dev->bus_id);
+
         if (dev->driver)
                 p_drv = to_pcmcia_drv(dev->driver);
 
@@ -1053,12 +1145,18 @@ static int pcmcia_dev_suspend(struct device * dev, pm_message_t state)
 
         if (p_drv->suspend) {
                 ret = p_drv->suspend(p_dev);
-                if (ret)
+                if (ret) {
+                        printk(KERN_ERR "pcmcia: device %s (driver %s) did "
+                               "not want to go to sleep (%d)\n",
+                               p_dev->devname, p_drv->drv.name, ret);
                         goto out;
+                }
         }
 
-        if (p_dev->device_no == p_dev->func)
+        if (p_dev->device_no == p_dev->func) {
+                ds_dbg(2, "releasing configuration for %s\n", dev->bus_id);
                 pcmcia_release_configuration(p_dev);
+        }
 
  out:
         if (!ret)
@@ -1073,6 +1171,8 @@ static int pcmcia_dev_resume(struct device * dev)
         struct pcmcia_driver *p_drv = NULL;
         int ret = 0;
 
+        ds_dbg(2, "resuming %s\n", dev->bus_id);
+
         if (dev->driver)
                 p_drv = to_pcmcia_drv(dev->driver);
 
@@ -1080,6 +1180,7 @@ static int pcmcia_dev_resume(struct device * dev)
                 goto out;
 
         if (p_dev->device_no == p_dev->func) {
+                ds_dbg(2, "requesting configuration for %s\n", dev->bus_id);
                 ret = pcmcia_request_configuration(p_dev, &p_dev->conf);
                 if (ret)
                         goto out;
@@ -1121,12 +1222,14 @@ static int pcmcia_bus_resume_callback(struct device *dev, void * _data)
 
 static int pcmcia_bus_resume(struct pcmcia_socket *skt)
 {
+        ds_dbg(2, "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_dbg(2, "suspending socket %d\n", skt->sock);
         if (bus_for_each_dev(&pcmcia_bus_type, NULL, skt,
                              pcmcia_bus_suspend_callback)) {
                 pcmcia_bus_resume(skt);
@@ -1247,7 +1350,7 @@ static int __devinit pcmcia_bus_add_socket(struct class_device *class_dev,
         init_waitqueue_head(&socket->queue);
 #endif
         INIT_LIST_HEAD(&socket->devices_list);
-        INIT_WORK(&socket->device_add, pcmcia_delayed_add_pseudo_device);
+        INIT_WORK(&socket->device_add, pcmcia_delayed_add_device);
         memset(&socket->pcmcia_state, 0, sizeof(u8));
         socket->device_count = 0;
 
diff --git a/drivers/pcmcia/m32r_cfc.c b/drivers/pcmcia/m32r_cfc.c
index 36fdaa58458c..3c22ac4625c2 100644
--- a/drivers/pcmcia/m32r_cfc.c
+++ b/drivers/pcmcia/m32r_cfc.c
@@ -398,7 +398,7 @@ static irqreturn_t pcc_interrupt(int irq, void *dev)
 static void pcc_interrupt_wrapper(u_long data)
 {
         debug(3, "m32r_cfc: pcc_interrupt_wrapper:\n");
-        pcc_interrupt(0, NULL, NULL);
+        pcc_interrupt(0, NULL);
         init_timer(&poll_timer);
         poll_timer.expires = jiffies + poll_interval;
         add_timer(&poll_timer);
diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c
index 310ede575caa..d077870c6731 100644
--- a/drivers/pcmcia/pcmcia_ioctl.c
+++ b/drivers/pcmcia/pcmcia_ioctl.c
@@ -594,7 +594,12 @@ static int ds_ioctl(struct inode * inode, struct file * file,
 
     err = ret = 0;
 
-    if (cmd & IOC_IN) __copy_from_user((char *)buf, uarg, size);
+    if (cmd & IOC_IN) {
+        if (__copy_from_user((char *)buf, uarg, size)) {
+            err = -EFAULT;
+            goto free_out;
+        }
+    }
 
     switch (cmd) {
     case DS_ADJUST_RESOURCE_INFO:
diff --git a/drivers/pcmcia/pd6729.c b/drivers/pcmcia/pd6729.c
index a70f97fdbbdd..360c24896548 100644
--- a/drivers/pcmcia/pd6729.c
+++ b/drivers/pcmcia/pd6729.c
@@ -581,10 +581,10 @@ static irqreturn_t pd6729_test(int irq, void *dev)
         return IRQ_HANDLED;
 }
 
-static int pd6729_check_irq(int irq, int flags)
+static int pd6729_check_irq(int irq)
 {
-        if (request_irq(irq, pd6729_test, flags, "x", pd6729_test) != 0)
-                return -1;
+        if (request_irq(irq, pd6729_test, IRQF_PROBE_SHARED, "x", pd6729_test)
+                != 0) return -1;
         free_irq(irq, pd6729_test);
         return 0;
 }
@@ -610,7 +610,7 @@ static u_int __devinit pd6729_isa_scan(void)
 
         /* just find interrupts that aren't in use */
         for (i = 0; i < 16; i++)
-                if ((mask0 & (1 << i)) && (pd6729_check_irq(i, 0) == 0))
+                if ((mask0 & (1 << i)) && (pd6729_check_irq(i) == 0))
                         mask |= (1 << i);
 
         printk(KERN_INFO "pd6729: ISA irqs = ");
diff --git a/drivers/pcmcia/socket_sysfs.c b/drivers/pcmcia/socket_sysfs.c
index 933cd864a5c9..b005602d6b53 100644
--- a/drivers/pcmcia/socket_sysfs.c
+++ b/drivers/pcmcia/socket_sysfs.c
@@ -188,7 +188,7 @@ static ssize_t pccard_store_resource(struct class_device *dev, const char *buf,
             (s->state & SOCKET_PRESENT) &&
             !(s->state & SOCKET_CARDBUS)) {
                 if (try_module_get(s->callback->owner)) {
-                        s->callback->requery(s);
+                        s->callback->requery(s, 0);
                         module_put(s->callback->owner);
                 }
         }
@@ -325,7 +325,7 @@ static ssize_t pccard_store_cis(struct kobject *kobj, char *buf, loff_t off, siz
         if ((s->callback) && (s->state & SOCKET_PRESENT) &&
             !(s->state & SOCKET_CARDBUS)) {
                 if (try_module_get(s->callback->owner)) {
-                        s->callback->requery(s);
+                        s->callback->requery(s, 1);
                         module_put(s->callback->owner);
                 }
         }