s390: Use ccw_device_get_id() in qeth/claw drivers

Use ccw_device_get_id() to get a device number
instead of parsing the ccw device's bus id.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

drivers/s390/net/claw.c

@@ -3912,6 +3912,7 @@ static int
 add_channel(struct ccw_device *cdev,int i,struct claw_privbk *privptr)
 {
 	struct chbk *p_ch;
+	struct ccw_dev_id dev_id;
 
 #ifdef FUNCTRACE
         printk(KERN_INFO "%s:%s Enter\n",cdev->dev.bus_id,__FUNCTION__);
@@ -3921,7 +3922,8 @@ add_channel(struct ccw_device *cdev,int i,struct claw_privbk *privptr)
 	p_ch = &privptr->channel[i];
 	p_ch->cdev = cdev;
 	snprintf(p_ch->id, CLAW_ID_SIZE, "cl-%s", cdev->dev.bus_id);
-	sscanf(cdev->dev.bus_id+4,"%x",&p_ch->devno);
+	ccw_device_get_id(cdev, &dev_id);
+	p_ch->devno = dev_id.devno;
 	if ((p_ch->irb = kmalloc(sizeof (struct irb),GFP_KERNEL)) == NULL) {
 		printk(KERN_WARNING "%s Out of memory in %s for irb\n",
 			p_ch->id,__FUNCTION__);
@@ -3955,6 +3957,7 @@ claw_new_device(struct ccwgroup_device *cgdev)
 	struct claw_env *p_env;
 	struct net_device *dev;
 	int ret;
+	struct ccw_dev_id dev_id;
 
 	pr_debug("%s() called\n", __FUNCTION__);
 	printk(KERN_INFO "claw: add for %s\n",cgdev->cdev[READ]->dev.bus_id);
@@ -3965,10 +3968,10 @@ claw_new_device(struct ccwgroup_device *cgdev)
 	if (!privptr)
 		return -ENODEV;
 	p_env = privptr->p_env;
-	sscanf(cgdev->cdev[READ]->dev.bus_id+4,"%x",
-		&p_env->devno[READ]);
-        sscanf(cgdev->cdev[WRITE]->dev.bus_id+4,"%x",
-		&p_env->devno[WRITE]);
+	ccw_device_get_id(cgdev->cdev[READ], &dev_id);
+	p_env->devno[READ] = dev_id.devno;
+	ccw_device_get_id(cgdev->cdev[WRITE], &dev_id);
+	p_env->devno[WRITE] = dev_id.devno;
 	ret = add_channel(cgdev->cdev[0],0,privptr);
 	if (ret == 0)
 		ret = add_channel(cgdev->cdev[1],1,privptr);

drivers/s390/net/qeth_main.c

@@ -2176,13 +2176,6 @@ qeth_ulp_enable(struct qeth_card *card)
 
 }
 
-static inline __u16
-__raw_devno_from_bus_id(char *id)
-{
-	id += (strlen(id) - 4);
-	return (__u16) simple_strtoul(id, &id, 16);
-}
-
 static int
 qeth_ulp_setup_cb(struct qeth_card *card, struct qeth_reply *reply,
 		  unsigned long data)
@@ -2205,6 +2198,7 @@ qeth_ulp_setup(struct qeth_card *card)
 	int rc;
 	__u16 temp;
 	struct qeth_cmd_buffer *iob;
+	struct ccw_dev_id dev_id;
 
 	QETH_DBF_TEXT(setup,2,"ulpsetup");
 
@@ -2218,8 +2212,8 @@ qeth_ulp_setup(struct qeth_card *card)
 	memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob->data),
 	       &card->token.ulp_filter_r, QETH_MPC_TOKEN_LENGTH);
 
-	temp = __raw_devno_from_bus_id(CARD_DDEV_ID(card));
-	memcpy(QETH_ULP_SETUP_CUA(iob->data), &temp, 2);
+	ccw_device_get_id(CARD_DDEV(card), &dev_id);
+	memcpy(QETH_ULP_SETUP_CUA(iob->data), &dev_id.devno, 2);
 	temp = (card->info.cula << 8) + card->info.unit_addr2;
 	memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob->data), &temp, 2);
 	rc = qeth_send_control_data(card, ULP_SETUP_SIZE, iob,