X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fpcmcia%2Fds.c;h=0f98be4450b7a0e01a31e90542011bf46f47a4b2;hb=f309cb3e4fe79a68cb2fdedfb8a8a950a2cfe490;hp=2382341975e5258c4ab1e9ff83f9be7723e1b660;hpb=53efec9513cfb1acff602c7ebdd945d677808e9e;p=safe%2Fjmp%2Flinux-2.6 diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 2382341..0f98be4 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -32,7 +32,6 @@ #include #include "cs_internal.h" -#include "ds_internal.h" /*====================================================================*/ @@ -42,161 +41,9 @@ MODULE_AUTHOR("David Hinds "); MODULE_DESCRIPTION("PCMCIA Driver Services"); MODULE_LICENSE("GPL"); -#ifdef 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) -#else -#define ds_dbg(lvl, 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 { - int key; - char *msg; -} lookup_t; - -static const lookup_t error_table[] = { - { CS_SUCCESS, "Operation succeeded" }, - { CS_BAD_ADAPTER, "Bad adapter" }, - { CS_BAD_ATTRIBUTE, "Bad attribute", }, - { CS_BAD_BASE, "Bad base address" }, - { CS_BAD_EDC, "Bad EDC" }, - { CS_BAD_IRQ, "Bad IRQ" }, - { CS_BAD_OFFSET, "Bad offset" }, - { CS_BAD_PAGE, "Bad page number" }, - { CS_READ_FAILURE, "Read failure" }, - { CS_BAD_SIZE, "Bad size" }, - { CS_BAD_SOCKET, "Bad socket" }, - { CS_BAD_TYPE, "Bad type" }, - { CS_BAD_VCC, "Bad Vcc" }, - { CS_BAD_VPP, "Bad Vpp" }, - { CS_BAD_WINDOW, "Bad window" }, - { CS_WRITE_FAILURE, "Write failure" }, - { CS_NO_CARD, "No card present" }, - { CS_UNSUPPORTED_FUNCTION, "Usupported function" }, - { CS_UNSUPPORTED_MODE, "Unsupported mode" }, - { CS_BAD_SPEED, "Bad speed" }, - { CS_BUSY, "Resource busy" }, - { CS_GENERAL_FAILURE, "General failure" }, - { CS_WRITE_PROTECTED, "Write protected" }, - { CS_BAD_ARG_LENGTH, "Bad argument length" }, - { CS_BAD_ARGS, "Bad arguments" }, - { CS_CONFIGURATION_LOCKED, "Configuration locked" }, - { CS_IN_USE, "Resource in use" }, - { CS_NO_MORE_ITEMS, "No more items" }, - { CS_OUT_OF_RESOURCE, "Out of resource" }, - { CS_BAD_HANDLE, "Bad handle" }, - { CS_BAD_TUPLE, "Bad CIS tuple" } -}; - - -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" } -}; - - -static int pcmcia_report_error(struct pcmcia_device *p_dev, error_info_t *err) -{ - int i; - char *serv; - - if (!p_dev) - printk(KERN_NOTICE); - else - printk(KERN_NOTICE "%s: ", p_dev->dev.bus_id); - - for (i = 0; i < ARRAY_SIZE(service_table); i++) - if (service_table[i].key == err->func) - break; - if (i < ARRAY_SIZE(service_table)) - serv = service_table[i].msg; - else - serv = "Unknown service number"; - - for (i = 0; i < ARRAY_SIZE(error_table); i++) - if (error_table[i].key == err->retcode) - break; - if (i < ARRAY_SIZE(error_table)) - printk("%s: %s\n", serv, error_table[i].msg); - else - printk("%s: Unknown error code %#x\n", serv, err->retcode); - - return CS_SUCCESS; -} /* report_error */ - -/* end of code which was in cs.c before */ - -/*======================================================================*/ - -void cs_error(struct pcmcia_device *p_dev, int func, int ret) -{ - error_info_t err = { func, ret }; - pcmcia_report_error(p_dev, &err); -} -EXPORT_SYMBOL(cs_error); - - static void pcmcia_check_driver(struct pcmcia_driver *p_drv) { struct pcmcia_device_id *did = p_drv->id_table; @@ -208,7 +55,7 @@ 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; @@ -256,7 +103,7 @@ 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", @@ -269,7 +116,6 @@ 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; @@ -278,9 +124,9 @@ 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); @@ -298,12 +144,12 @@ 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 @@ -334,10 +180,10 @@ 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) @@ -357,7 +203,7 @@ 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); } @@ -366,7 +212,7 @@ 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); @@ -384,37 +230,28 @@ 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_dbg(1, "releasing device %s\n", p_dev->dev.bus_id); + 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_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; -} -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; @@ -427,8 +264,7 @@ 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); + 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))) { @@ -443,36 +279,32 @@ static int pcmcia_device_probe(struct device * dev) 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"); + dev_printk(KERN_INFO, dev, + "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) { - ds_dbg(1, "binding %s to %s failed with %d\n", - p_dev->dev.bus_id, p_drv->drv.name, ret); + dev_dbg(dev, "binding to %s failed with %d\n", + p_drv->drv.name, ret); goto put_module; } - /* 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; - 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: +put_module: if (ret) module_put(p_drv->owner); - put_dev: +put_dev: if (ret) put_device(dev); - return (ret); + return ret; } @@ -483,52 +315,52 @@ 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_dbg(2, "pcmcia_card_remove(%d) %s\n", s->sock, - leftover ? leftover->devname : ""); + 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); + p_dev->_removed = 1; + mutex_unlock(&s->ops_mutex); - ds_dbg(2, "unregistering device %s\n", p_dev->dev.bus_id); + 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_dbg(1, "removing device %s\n", p_dev->dev.bus_id); + 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); @@ -537,19 +369,21 @@ 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; /* check for proper unloading */ if (p_dev->_irq || p_dev->_io || p_dev->_locked) - printk(KERN_INFO "pcmcia: driver %s did not release config properly\n", - p_drv->drv.name); + dev_printk(KERN_INFO, dev, + "pcmcia: driver %s did not release config properly\n", + p_drv->drv.name); for (i = 0; i < MAX_WIN; i++) if (p_dev->_win & CLIENT_WIN_REQ(i)) - printk(KERN_INFO "pcmcia: driver %s did not release windows properly\n", - p_drv->drv.name); + dev_printk(KERN_INFO, dev, + "pcmcia: driver %s did not release window properly\n", + p_drv->drv.name); /* references from pcmcia_probe_device */ pcmcia_put_dev(p_dev); @@ -573,18 +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 @@ -598,19 +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_dbg(0, "mem device geometry probably means " - "FUNCID_MEMORY\n"); + 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]; @@ -618,14 +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); @@ -642,11 +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) @@ -654,18 +499,21 @@ 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 devices per card */ + if (p_dev->device_no >= 2) + goto err_free; + + p_dev->socket = s; p_dev->func = function; p_dev->dev.bus = &pcmcia_bus_type; @@ -674,34 +522,36 @@ 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_dbg(3, "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_dbg(3, "creating config_t for %s\n", p_dev->dev.bus_id); + 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) @@ -709,8 +559,9 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f kref_init(&p_dev->function_config->ref); } - printk(KERN_NOTICE "pcmcia: registering new device %s\n", - p_dev->devname); + dev_printk(KERN_NOTICE, &p_dev->dev, + "pcmcia: registering new device %s\n", + p_dev->devname); pcmcia_device_query(p_dev); @@ -722,14 +573,19 @@ 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); @@ -742,22 +598,27 @@ 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_dbg(3, "no resources available, delaying card_add\n"); + 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_dbg(3, "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_dbg(0, "invalid CIS or invalid resources\n"); + dev_dbg(&s->dev, "invalid CIS or invalid resources\n"); return -ENODEV; } @@ -767,74 +628,85 @@ 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_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) +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_dbg(1, "update device information for %s\n", - p_dev->dev.bus_id); + 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_dbg(0, "re-scanning socket %d\n", skt->sock); +static void pcmcia_requery(struct pcmcia_socket *s) +{ + int present, has_pfc; - 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); + mutex_lock(&s->ops_mutex); + present = s->pcmcia_state.present; + mutex_unlock(&s->ops_mutex); - /* If this is because of a CIS override, start over */ - if (new_cis && !no_devices) - pcmcia_card_remove(skt, NULL); + if (!present) + return; - /* 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) { + pcmcia_card_remove(s, NULL); + pcmcia_card_add(s); + } else if (new_funcs > old_funcs) { + s->functions = new_funcs; + pcmcia_device_add(s, 1); + } + } + + /* 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 /** @@ -850,36 +722,26 @@ 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; if (!filename) return -EINVAL; - ds_dbg(1, "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)) { - printk(KERN_WARNING "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; - printk(KERN_ERR "pcmcia: CIS override is too big\n"); + dev_printk(KERN_ERR, &dev->dev, + "pcmcia: CIS override is too big\n"); goto release; } if (!pcmcia_replace_cis(s, fw->data, fw->size)) ret = 0; else { - printk(KERN_ERR "pcmcia: CIS override failed\n"); + dev_printk(KERN_ERR, &dev->dev, + "pcmcia: CIS override failed\n"); goto release; } @@ -887,24 +749,13 @@ static int pcmcia_load_firmware(struct pcmcia_device *dev, char * filename) /* 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 */ @@ -966,9 +817,14 @@ 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; @@ -983,14 +839,19 @@ 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) + 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_dbg(0, "device %s needs a fake CIS\n", dev->dev.bus_id); + dev_dbg(&dev->dev, "device needs a fake CIS\n"); if (!dev->socket->fake_cis) pcmcia_load_firmware(dev, did->cisfile); @@ -1000,54 +861,48 @@ static inline int pcmcia_devmatch(struct pcmcia_device *dev, 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_dbg(3, "trying to match %s to %s\n", dev->bus_id, - drv->name); + dev_dbg(dev, "trying to match to %s\n", drv->name); if (pcmcia_devmatch(p_dev, &dynid->id)) { - ds_dbg(0, "matched %s to %s\n", dev->bus_id, - 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_dbg(0, "cardmgr matched %s to %s\n", dev->bus_id, - drv->name); + dev_dbg(dev, "cardmgr matched to %s\n", drv->name); return 1; } #endif while (did && did->match_flags) { - ds_dbg(3, "trying to match %s to %s\n", dev->bus_id, - drv->name); + dev_dbg(dev, "trying to match to %s\n", drv->name); if (pcmcia_devmatch(p_dev, did)) { - ds_dbg(0, "matched %s to %s\n", dev->bus_id, - drv->name); + dev_dbg(dev, "matched to %s\n", drv->name); return 1; } did++; @@ -1070,7 +925,7 @@ 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])); @@ -1122,13 +977,14 @@ static int runtime_suspend(struct device *dev) return rc; } -static void runtime_resume(struct device *dev) +static int runtime_resume(struct device *dev) { int rc; down(&dev->sem); rc = pcmcia_dev_resume(dev); up(&dev->sem); + return rc; } /************************ per-device sysfs output ***************************/ @@ -1137,14 +993,14 @@ 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"); @@ -1173,13 +1029,13 @@ 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; } @@ -1192,10 +1048,11 @@ 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", @@ -1210,19 +1067,14 @@ 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; } @@ -1244,16 +1096,21 @@ 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_dbg(2, "suspending %s\n", dev->bus_id); + dev_dbg(dev, "suspending\n"); if (dev->driver) p_drv = to_pcmcia_drv(dev->driver); @@ -1264,35 +1121,42 @@ static int pcmcia_dev_suspend(struct device * dev, pm_message_t state) if (p_drv->suspend) { ret = p_drv->suspend(p_dev); 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); + dev_printk(KERN_ERR, dev, + "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_dbg(2, "releasing configuration for %s\n", dev->bus_id); + 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_dbg(2, "resuming %s\n", dev->bus_id); + dev_dbg(dev, "resuming\n"); if (dev->driver) p_drv = to_pcmcia_drv(dev->driver); @@ -1301,7 +1165,7 @@ 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); + dev_dbg(dev, "requesting configuration\n"); ret = pcmcia_request_configuration(p_dev, &p_dev->conf); if (ret) goto out; @@ -1311,8 +1175,6 @@ static int pcmcia_dev_resume(struct device * dev) ret = p_drv->resume(p_dev); out: - if (!ret) - p_dev->suspended = 0; return ret; } @@ -1343,14 +1205,14 @@ 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); + 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_dbg(2, "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); @@ -1363,7 +1225,7 @@ static int pcmcia_bus_suspend(struct pcmcia_socket *skt) /*====================================================================== The card status event handler. - + ======================================================================*/ /* Normally, the event is passed to individual drivers after @@ -1376,23 +1238,33 @@ static int ds_event(struct pcmcia_socket *skt, event_t event, int priority) struct pcmcia_socket *s = pcmcia_get_socket(skt); if (!s) { - printk(KERN_ERR "PCMCIA obtaining reference to socket %p " \ - "failed, event 0x%x lost!\n", skt, event); + dev_printk(KERN_ERR, &skt->dev, + "PCMCIA obtaining reference to socket " \ + "failed, event 0x%x lost!\n", event); return -ENODEV; } - ds_dbg(1, "ds_event(0x%06x, %d, 0x%p)\n", - event, priority, skt); + dev_dbg(&skt->dev, "ds_event(0x%06x, %d, 0x%p)\n", + event, priority, skt); switch (event) { case CS_EVENT_CARD_REMOVAL: + mutex_lock(&s->ops_mutex); s->pcmcia_state.present = 0; + mutex_unlock(&s->ops_mutex); 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: + mutex_lock(&s->ops_mutex); + s->pcmcia_state.has_pfc = 0; s->pcmcia_state.present = 1; + destroy_cis_cache(s); /* to be on the safe side... */ + mutex_unlock(&s->ops_mutex); pcmcia_card_add(skt); handle_event(skt, event); break; @@ -1400,8 +1272,24 @@ 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: @@ -1415,7 +1303,7 @@ static int ds_event(struct pcmcia_socket *skt, event_t event, int priority) } /* ds_event */ -struct pcmcia_device * pcmcia_dev_present(struct pcmcia_device *_p_dev) +struct pcmcia_device *pcmcia_dev_present(struct pcmcia_device *_p_dev) { struct pcmcia_device *p_dev; struct pcmcia_device *ret = NULL; @@ -1424,9 +1312,13 @@ struct pcmcia_device * pcmcia_dev_present(struct pcmcia_device *_p_dev) if (!p_dev) return NULL; + mutex_lock(&p_dev->socket->ops_mutex); if (!p_dev->socket->pcmcia_state.present) goto out; + if (p_dev->socket->pcmcia_state.dead) + goto out; + if (p_dev->_removed) goto out; @@ -1435,6 +1327,7 @@ struct pcmcia_device * pcmcia_dev_present(struct pcmcia_device *_p_dev) ret = p_dev; out: + mutex_unlock(&p_dev->socket->ops_mutex); pcmcia_put_dev(p_dev); return ret; } @@ -1444,7 +1337,8 @@ 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, }; @@ -1457,29 +1351,30 @@ static int __devinit pcmcia_bus_add_socket(struct device *dev, socket = pcmcia_get_socket(socket); if (!socket) { - printk(KERN_ERR "PCMCIA obtaining reference to socket %p failed\n", socket); + dev_printk(KERN_ERR, dev, + "PCMCIA obtaining reference to socket failed\n"); 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; ret = pccard_register_pcmcia(socket, &pcmcia_bus_callback); if (ret) { - printk(KERN_ERR "PCMCIA registration PCCard core failed for socket %p\n", socket); + dev_printk(KERN_ERR, dev, "PCMCIA registration failed\n"); pcmcia_put_socket(socket); - return (ret); + return ret; } return 0; @@ -1493,14 +1388,20 @@ static void pcmcia_bus_remove_socket(struct device *dev, if (!socket) return; + mutex_lock(&socket->ops_mutex); socket->pcmcia_state.dead = 1; + mutex_unlock(&socket->ops_mutex); + 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; @@ -1531,8 +1432,6 @@ 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); @@ -1550,7 +1449,7 @@ 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 */