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@@ -203,7 +203,7 @@ static void pcmcia_check_driver(struct pcmcia_driver *p_drv)
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unsigned int i;
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u32 hash;
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- if (!p_drv->attach || !p_drv->event || !p_drv->remove)
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+ if (!p_drv->probe || !p_drv->remove)
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printk(KERN_DEBUG "pcmcia: %s lacks a requisite callback "
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"function\n", p_drv->drv.name);
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@@ -361,6 +361,7 @@ static int pcmcia_device_probe(struct device * dev)
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{
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struct pcmcia_device *p_dev;
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struct pcmcia_driver *p_drv;
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+ struct pcmcia_socket *s;
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int ret = 0;
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dev = get_device(dev);
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@@ -369,25 +370,39 @@ static int pcmcia_device_probe(struct device * dev)
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p_dev = to_pcmcia_dev(dev);
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p_drv = to_pcmcia_drv(dev->driver);
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+ s = p_dev->socket;
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- if (!try_module_get(p_drv->owner)) {
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+ if ((!p_drv->probe) || (!try_module_get(p_drv->owner))) {
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ret = -EINVAL;
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goto put_dev;
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}
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- if (p_drv->attach) {
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- p_dev->instance = p_drv->attach();
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- if ((!p_dev->instance) || (p_dev->state & CLIENT_UNBOUND)) {
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- printk(KERN_NOTICE "ds: unable to create instance "
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- "of '%s'!\n", p_drv->drv.name);
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- ret = -EINVAL;
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+ p_dev->state &= ~CLIENT_UNBOUND;
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+
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+ /* set up the device configuration, if it hasn't been done before */
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+ if (!s->functions) {
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+ cistpl_longlink_mfc_t mfc;
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+ if (pccard_read_tuple(s, p_dev->func, CISTPL_LONGLINK_MFC,
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+ &mfc) == CS_SUCCESS)
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+ s->functions = mfc.nfn;
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+ else
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+ s->functions = 1;
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+ s->config = kmalloc(sizeof(config_t) * s->functions,
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+ GFP_KERNEL);
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+ if (!s->config) {
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+ ret = -ENOMEM;
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+ goto put_module;
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}
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+ memset(s->config, 0, sizeof(config_t) * s->functions);
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}
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+ ret = p_drv->probe(p_dev);
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+
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+ put_module:
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if (ret)
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module_put(p_drv->owner);
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put_dev:
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- if ((ret) || !(p_drv->attach))
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+ if (ret)
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put_device(dev);
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return (ret);
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}
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@@ -418,11 +433,8 @@ static int pcmcia_device_remove(struct device * dev)
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printk(KERN_INFO "pcmcia: driver %s did not release windows properly\n",
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p_drv->drv.name);
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- /* undo pcmcia_register_client */
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- p_dev->state = CLIENT_UNBOUND;
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- pcmcia_put_dev(p_dev);
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-
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/* references from pcmcia_probe_device */
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+ p_dev->state = CLIENT_UNBOUND;
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pcmcia_put_dev(p_dev);
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module_put(p_drv->owner);
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@@ -1042,49 +1054,6 @@ static int pcmcia_bus_suspend(struct pcmcia_socket *skt)
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======================================================================*/
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-struct send_event_data {
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- struct pcmcia_socket *skt;
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- event_t event;
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- int priority;
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-};
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-
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-static int send_event_callback(struct device *dev, void * _data)
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-{
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- struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
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- struct pcmcia_driver *p_drv;
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- struct send_event_data *data = _data;
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-
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- /* we get called for all sockets, but may only pass the event
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- * for drivers _on the affected socket_ */
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- if (p_dev->socket != data->skt)
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- return 0;
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-
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- p_drv = to_pcmcia_drv(p_dev->dev.driver);
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- if (!p_drv)
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- return 0;
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-
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- if (p_dev->state & (CLIENT_UNBOUND|CLIENT_STALE))
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- return 0;
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-
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- if (p_drv->event)
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- return p_drv->event(data->event, data->priority,
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- &p_dev->event_callback_args);
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-
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- return 0;
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-}
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-
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-static int send_event(struct pcmcia_socket *s, event_t event, int priority)
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-{
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- struct send_event_data private;
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-
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- private.skt = s;
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- private.event = event;
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- private.priority = priority;
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-
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- return bus_for_each_dev(&pcmcia_bus_type, NULL, &private, send_event_callback);
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-} /* send_event */
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-
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-
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/* Normally, the event is passed to individual drivers after
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* informing userspace. Only for CS_EVENT_CARD_REMOVAL this
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* is inversed to maintain historic compatibility.
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@@ -1093,20 +1062,17 @@ static int send_event(struct pcmcia_socket *s, event_t event, int priority)
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static int ds_event(struct pcmcia_socket *skt, event_t event, int priority)
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{
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struct pcmcia_socket *s = pcmcia_get_socket(skt);
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- int ret = 0;
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ds_dbg(1, "ds_event(0x%06x, %d, 0x%p)\n",
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event, priority, skt);
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-
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- switch (event) {
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+ switch (event) {
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case CS_EVENT_CARD_REMOVAL:
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s->pcmcia_state.present = 0;
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- send_event(skt, event, priority);
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pcmcia_card_remove(skt);
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handle_event(skt, event);
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break;
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-
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+
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case CS_EVENT_CARD_INSERTION:
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s->pcmcia_state.present = 1;
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pcmcia_card_add(skt);
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@@ -1114,19 +1080,14 @@ static int ds_event(struct pcmcia_socket *skt, event_t event, int priority)
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break;
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case CS_EVENT_EJECTION_REQUEST:
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- ret = send_event(skt, event, priority);
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break;
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case CS_EVENT_PM_SUSPEND:
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case CS_EVENT_PM_RESUME:
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case CS_EVENT_RESET_PHYSICAL:
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case CS_EVENT_CARD_RESET:
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- handle_event(skt, event);
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- break;
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-
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default:
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handle_event(skt, event);
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- send_event(skt, event, priority);
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break;
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}
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@@ -1136,90 +1097,6 @@ static int ds_event(struct pcmcia_socket *skt, event_t event, int priority)
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} /* ds_event */
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-
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-int pcmcia_register_client(struct pcmcia_device **handle, client_reg_t *req)
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-{
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- struct pcmcia_socket *s = NULL;
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- struct pcmcia_device *p_dev = NULL;
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- struct pcmcia_driver *p_drv = NULL;
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-
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- /* Look for unbound client with matching dev_info */
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- down_read(&pcmcia_socket_list_rwsem);
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- list_for_each_entry(s, &pcmcia_socket_list, socket_list) {
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- unsigned long flags;
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-
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- if (s->state & SOCKET_CARDBUS)
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- continue;
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-
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- s = pcmcia_get_socket(s);
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- if (!s)
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- continue;
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- spin_lock_irqsave(&pcmcia_dev_list_lock, flags);
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- list_for_each_entry(p_dev, &s->devices_list, socket_device_list) {
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- p_dev = pcmcia_get_dev(p_dev);
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- if (!p_dev)
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- continue;
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- if (!(p_dev->state & CLIENT_UNBOUND) ||
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- (!p_dev->dev.driver)) {
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- pcmcia_put_dev(p_dev);
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- continue;
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- }
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- p_drv = to_pcmcia_drv(p_dev->dev.driver);
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- if (!strncmp(p_drv->drv.name, (char *)req->dev_info, DEV_NAME_LEN)) {
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- spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
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- goto found;
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- }
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- pcmcia_put_dev(p_dev);
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- }
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- spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
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- pcmcia_put_socket(s);
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- }
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- found:
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- up_read(&pcmcia_socket_list_rwsem);
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- if (!p_dev)
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- return -ENODEV;
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-
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- pcmcia_put_socket(s); /* safe, as we already hold a reference from bind_device */
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-
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- *handle = p_dev;
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- p_dev->state &= ~CLIENT_UNBOUND;
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- p_dev->event_callback_args = req->event_callback_args;
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- p_dev->event_callback_args.client_handle = p_dev;
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-
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-
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- if (!s->functions) {
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- cistpl_longlink_mfc_t mfc;
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- if (pccard_read_tuple(s, p_dev->func, CISTPL_LONGLINK_MFC, &mfc)
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- == CS_SUCCESS)
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- s->functions = mfc.nfn;
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- else
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- s->functions = 1;
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- s->config = kmalloc(sizeof(config_t) * s->functions,
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- GFP_KERNEL);
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- if (!s->config)
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- goto out_no_resource;
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- memset(s->config, 0, sizeof(config_t) * s->functions);
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- }
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-
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- ds_dbg(1, "register_client(): client 0x%p, dev %s\n",
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- p_dev, p_dev->dev.bus_id);
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-
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- if ((s->state & (SOCKET_PRESENT|SOCKET_CARDBUS)) == SOCKET_PRESENT) {
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- if (p_drv->event)
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- p_drv->event(CS_EVENT_CARD_INSERTION, CS_EVENT_PRI_LOW,
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- &p_dev->event_callback_args);
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-
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- }
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-
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- return CS_SUCCESS;
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-
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- out_no_resource:
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- pcmcia_put_dev(p_dev);
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- return CS_OUT_OF_RESOURCE;
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-} /* register_client */
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-EXPORT_SYMBOL(pcmcia_register_client);
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-
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-
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static struct pcmcia_callback pcmcia_bus_callback = {
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.owner = THIS_MODULE,
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.event = ds_event,
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