[PCMCIA] inform user of insertion and ejection events

Print out minimal information in dmesg whnever a CardBus or PCMCIA card
is inserted into or ejected from a slot. This will make debugging certain
types of bugs much easier, and is similar to output produced by other
hotpluggable buses.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

drivers/pcmcia/cs.c

@@ -513,6 +513,11 @@ static int socket_insert(struct pcmcia_socket *skt)
 	ret = socket_setup(skt, setup_delay);
 	if (ret == CS_SUCCESS) {
 		skt->state |= SOCKET_PRESENT;
+
+		printk(KERN_NOTICE "pccard: %s card inserted into slot %d\n",
+		       (skt->state & SOCKET_CARDBUS) ? "CardBus" : "PCMCIA",
+		       skt->sock);
+
 #ifdef CONFIG_CARDBUS
 		if (skt->state & SOCKET_CARDBUS) {
 			cb_alloc(skt);
@@ -598,6 +603,7 @@ static int socket_resume(struct pcmcia_socket *skt)
 
 static void socket_remove(struct pcmcia_socket *skt)
 {
+	printk(KERN_NOTICE "pccard: card ejected from slot %d\n", skt->sock);
 	socket_shutdown(skt);
 	cs_socket_put(skt);
 }

drivers/pcmcia/ds.c

@@ -544,6 +544,9 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f
 	list_add_tail(&p_dev->socket_device_list, &s->devices_list);
 	spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
 
+	printk(KERN_NOTICE "pcmcia: registering new device %s\n",
+	       p_dev->devname);
+
 	pcmcia_device_query(p_dev);
 
 	if (device_register(&p_dev->dev)) {