aboutsummaryrefslogtreecommitdiff
path: root/drivers/pcmcia
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pcmcia')
-rw-r--r--drivers/pcmcia/ds.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 8c87343707c..677105e3575 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -469,6 +469,7 @@ static void pcmcia_card_remove(struct pcmcia_socket *s)
}
p_dev = list_entry((&s->devices_list)->next, struct pcmcia_device, socket_device_list);
list_del(&p_dev->socket_device_list);
+ p_dev->_removed=1;
spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
device_unregister(&p_dev->dev);
@@ -1163,6 +1164,32 @@ 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 *p_dev;
+ struct pcmcia_device *ret = NULL;
+
+ p_dev = pcmcia_get_dev(_p_dev);
+ if (!p_dev)
+ return NULL;
+
+ if (!p_dev->socket->pcmcia_state.present)
+ goto out;
+
+ if (p_dev->_removed)
+ goto out;
+
+ if (p_dev->suspended)
+ goto out;
+
+ ret = p_dev;
+ out:
+ pcmcia_put_dev(p_dev);
+ return ret;
+}
+EXPORT_SYMBOL(pcmcia_dev_present);
+
+
static struct pcmcia_callback pcmcia_bus_callback = {
.owner = THIS_MODULE,
.event = ds_event,