pcmcia: setup IRQ to be used by PCMCIA drivers at card insert

Setup the IRQ to be used by PCMCIA drivers already during the device
registration stage, making use of a new function pcmcia_setup_irq().
This will allow us to get rid of quite a lot of indirection in the
future.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

1 files changed, 11 insertions, 4 deletions

diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 041eee43fd8..5fd2948c7ed 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -546,26 +546,32 @@ struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s, unsigned int fu
                         p_dev->function_config = tmp_dev->function_config;
                         p_dev->io = tmp_dev->io;
                         p_dev->irq = tmp_dev->irq;
+                        p_dev->irq_v = tmp_dev->irq_v;
                         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);
 
-        mutex_unlock(&s->ops_mutex);
+        if (pcmcia_setup_irq(p_dev))
+                dev_warn(&p_dev->dev,
+                        "IRQ setup failed -- device might not work\n");
 
         if (!p_dev->function_config) {
                 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)
+                if (!p_dev->function_config) {
+                        mutex_unlock(&s->ops_mutex);
                         goto err_unreg;
+                }
                 kref_init(&p_dev->function_config->ref);
         }
+        mutex_unlock(&s->ops_mutex);
 
         dev_printk(KERN_NOTICE, &p_dev->dev,
-                   "pcmcia: registering new device %s\n",
-                   p_dev->devname);
+                   "pcmcia: registering new device %s (IRQ: %d)\n",
+                   p_dev->devname, p_dev->irq_v);
 
         pcmcia_device_query(p_dev);
 
@@ -1258,6 +1264,7 @@ static int ds_event(struct pcmcia_socket *skt, event_t event, int priority)
                 handle_event(skt, event);
                 mutex_lock(&s->ops_mutex);
                 destroy_cis_cache(s);
+                pcmcia_cleanup_irq(s);
                 mutex_unlock(&s->ops_mutex);
                 break;