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-rw-r--r--drivers/pcmcia/ds.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 66680699e913..19b7dacdbe7a 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -656,7 +656,7 @@ static inline void pcmcia_add_pseudo_device(struct pcmcia_bus_socket *s)
static void pcmcia_bus_rescan(void)
{
/* must be called with skt_sem held */
- bus_rescan_devices(&pcmcia_bus_type);
+ bus_rescan_devices(&pcmcia_bus_type);
}
static inline int pcmcia_devmatch(struct pcmcia_device *dev,
@@ -869,6 +869,23 @@ 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 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)
+ return -EINVAL;
+
+ down(&p_dev->socket->skt_sem);
+ p_dev->allow_func_id_match = 1;
+ up(&p_dev->socket->skt_sem);
+
+ bus_rescan_devices(&pcmcia_bus_type);
+
+ return count;
+}
+
static struct device_attribute pcmcia_dev_attrs[] = {
__ATTR(function, 0444, func_show, NULL),
__ATTR_RO(func_id),
@@ -878,6 +895,7 @@ static struct device_attribute pcmcia_dev_attrs[] = {
__ATTR_RO(prod_id2),
__ATTR_RO(prod_id3),
__ATTR_RO(prod_id4),
+ __ATTR(allow_func_id_match, 0200, NULL, pcmcia_store_allow_func_id_match),
__ATTR_NULL,
};
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