[PNP]: Add additonal sysfs entries

This patch adds some aditional information to sysfs for pnp cards.  It
should be useful for userland tools.

drivers/pnp/card.c

@@ -139,6 +139,39 @@ static void pnp_release_card(struct device *dmdev)
 	kfree(card);
 }
 
+
+static ssize_t pnp_show_card_name(struct device *dmdev, char *buf)
+{
+	char *str = buf;
+	struct pnp_card *card = to_pnp_card(dmdev);
+	str += sprintf(str,"%s\n", card->name);
+	return (str - buf);
+}
+
+static DEVICE_ATTR(name,S_IRUGO,pnp_show_card_name,NULL);
+
+static ssize_t pnp_show_card_ids(struct device *dmdev, char *buf)
+{
+	char *str = buf;
+	struct pnp_card *card = to_pnp_card(dmdev);
+	struct pnp_id * pos = card->id;
+
+	while (pos) {
+		str += sprintf(str,"%s\n", pos->id);
+		pos = pos->next;
+	}
+	return (str - buf);
+}
+
+static DEVICE_ATTR(card_id,S_IRUGO,pnp_show_card_ids,NULL);
+
+static int pnp_interface_attach_card(struct pnp_card *card)
+{
+	device_create_file(&card->dev,&dev_attr_name);
+	device_create_file(&card->dev,&dev_attr_card_id);
+	return 0;
+}
+
 /**
  * pnp_add_card - adds a PnP card to the PnP Layer
  * @card: pointer to the card to add
@@ -158,6 +191,7 @@ int pnp_add_card(struct pnp_card * card)
 	error = device_register(&card->dev);
 
 	if (error == 0) {
+		pnp_interface_attach_card(card);
 		spin_lock(&pnp_lock);
 		list_add_tail(&card->global_list, &pnp_cards);
 		list_add_tail(&card->protocol_list, &card->protocol->cards);