[PATCH] pcmcia: move event handler

[linux-2.6] / drivers / pcmcia / ds.c

diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index f018d26f1817a63359554e4d42dfcaf542dcfbc8..367ebf75beeb27ceaf0533849606b60560ab82d0 100644 (file)
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -207,6 +207,10 @@ static void pcmcia_check_driver(struct pcmcia_driver *p_drv)
        unsigned int i;
        u32 hash;
 
+       if (!p_drv->attach || !p_drv->event || !p_drv->detach)
+               printk(KERN_DEBUG "pcmcia: %s does misses a callback function",
+                      p_drv->drv.name);
+
        while (did && did->match_flags) {
                for (i=0; i<4; i++) {
                        if (!did->prod_id[i])
@@ -847,9 +851,29 @@ pcmcia_device_stringattr(prod_id2, prod_id[1]);
 pcmcia_device_stringattr(prod_id3, prod_id[2]);
 pcmcia_device_stringattr(prod_id4, prod_id[3]);
 
+static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+       struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
+       int i;
+       u32 hash[4] = { 0, 0, 0, 0};
+
+       /* calculate hashes */
+       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]));
+       }
+       return sprintf(buf, "pcmcia:m%04Xc%04Xf%02Xfn%02Xpfn%02X"
+                               "pa%08Xpb%08Xpc%08Xpd%08X\n",
+                               p_dev->has_manf_id ? p_dev->manf_id : 0,
+                               p_dev->has_card_id ? p_dev->card_id : 0,
+                               p_dev->has_func_id ? p_dev->func_id : 0,
+                               p_dev->func, p_dev->device_no,
+                               hash[0], hash[1], hash[2], hash[3]);
+}
 
-static ssize_t pcmcia_store_allow_func_id_match (struct device * dev, struct device_attribute *attr,
-                                                const char * buf, size_t count)
+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);
         if (!count)
@@ -873,6 +897,7 @@ static struct device_attribute pcmcia_dev_attrs[] = {
        __ATTR_RO(prod_id2),
        __ATTR_RO(prod_id3),
        __ATTR_RO(prod_id4),
+       __ATTR_RO(modalias),
        __ATTR(allow_func_id_match, 0200, NULL, pcmcia_store_allow_func_id_match),
        __ATTR_NULL,
 };
@@ -893,6 +918,7 @@ struct send_event_data {
 static int send_event_callback(struct device *dev, void * _data)
 {
        struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
+       struct pcmcia_driver *p_drv;
        struct send_event_data *data = _data;
 
        /* we get called for all sockets, but may only pass the event
@@ -900,11 +926,16 @@ static int send_event_callback(struct device *dev, void * _data)
        if (p_dev->socket != data->skt)
                return 0;
 
+       p_drv = to_pcmcia_drv(p_dev->dev.driver);
+       if (!p_drv)
+               return 0;
+
        if (p_dev->client.state & (CLIENT_UNBOUND|CLIENT_STALE))
                return 0;
 
-       if (p_dev->client.EventMask & data->event)
-               return EVENT(&p_dev->client, data->event, data->priority);
+       if (p_drv->event)
+               return p_drv->event(data->event, data->priority,
+                                   &p_dev->event_callback_args);
 
        return 0;
 }
@@ -971,6 +1002,7 @@ int pcmcia_register_client(client_handle_t *handle, client_reg_t *req)
        client_t *client = NULL;
        struct pcmcia_socket *s = NULL;
        struct pcmcia_device *p_dev = NULL;
+       struct pcmcia_driver *p_drv = NULL;
 
        /* Look for unbound client with matching dev_info */
        down_read(&pcmcia_socket_list_rwsem);
@@ -985,7 +1017,6 @@ int pcmcia_register_client(client_handle_t *handle, client_reg_t *req)
                        continue;
                spin_lock_irqsave(&pcmcia_dev_list_lock, flags);
                list_for_each_entry(p_dev, &s->devices_list, socket_device_list) {
-                       struct pcmcia_driver *p_drv;
                        p_dev = pcmcia_get_dev(p_dev);
                        if (!p_dev)
                                continue;
@@ -1015,10 +1046,9 @@ int pcmcia_register_client(client_handle_t *handle, client_reg_t *req)
        *handle = client;
        client->state &= ~CLIENT_UNBOUND;
        client->Socket = s;
-       client->EventMask = req->EventMask;
-       client->event_handler = req->event_handler;
-       client->event_callback_args = req->event_callback_args;
-       client->event_callback_args.client_handle = client;
+       p_dev->event_callback_args = req->event_callback_args;
+       p_dev->event_callback_args.client_handle = client;
+
 
        if (s->state & SOCKET_CARDBUS)
                client->state |= CLIENT_CARDBUS;
@@ -1040,12 +1070,12 @@ int pcmcia_register_client(client_handle_t *handle, client_reg_t *req)
 
        ds_dbg(1, "register_client(): client 0x%p, dev %s\n",
               client, p_dev->dev.bus_id);
-       if (client->EventMask & CS_EVENT_REGISTRATION_COMPLETE)
-               EVENT(client, CS_EVENT_REGISTRATION_COMPLETE, CS_EVENT_PRI_LOW);
 
        if ((s->state & (SOCKET_PRESENT|SOCKET_CARDBUS)) == SOCKET_PRESENT) {
-               if (client->EventMask & CS_EVENT_CARD_INSERTION)
-                       EVENT(client, CS_EVENT_CARD_INSERTION, CS_EVENT_PRI_LOW);
+               if (p_drv->event)
+                       p_drv->event(CS_EVENT_CARD_INSERTION, CS_EVENT_PRI_LOW,
+                                    &p_dev->event_callback_args);
+
        }
 
        return CS_SUCCESS;
@@ -1111,7 +1141,6 @@ int pcmcia_deregister_client(client_handle_t handle)
                pcmcia_put_dev(p_dev);
        } else {
                handle->state = CLIENT_UNBOUND;
-               handle->event_handler = NULL;
        }
 
        return CS_SUCCESS;