[device] Make driver name a generic device property

Signed-off-by: Michael Brown <mcb30@ipxe.org>

src/drivers/bus/eisa.c

 			     ISA_PROD_ID ( eisa->prod_id ) )
 				continue;
 			eisa->driver = driver;
-			eisa->driver_name = id->name;
-			DBG ( "...using driver %s\n", eisa->driver_name );
+			eisa->dev.driver_name = id->name;
+			DBG ( "...using driver %s\n", eisa->dev.driver_name );
 			if ( ( rc = driver->probe ( eisa, id ) ) != 0 ) {
 				DBG ( "......probe failed\n" );
 				continue;

src/drivers/bus/isa.c

 			/* Add to device hierarchy */
 			snprintf ( isa->dev.name, sizeof ( isa->dev.name ),
 				   "ISA%04x", isa->ioaddr );
+			isa->dev.driver_name = driver->name;
 			isa->dev.desc.bus_type = BUS_TYPE_ISA;
 			isa->dev.desc.vendor = driver->vendor_id;
 			isa->dev.desc.device = driver->prod_id;

src/drivers/bus/isapnp.c

 			     ISA_PROD_ID ( isapnp->prod_id ) )
 				continue;
 			isapnp->driver = driver;
-			isapnp->driver_name = id->name;
-			DBG ( "...using driver %s\n", isapnp->driver_name );
+			isapnp->dev.driver_name = id->name;
+			DBG ( "...using driver %s\n", isapnp->dev.driver_name );
 			if ( ( rc = driver->probe ( isapnp, id ) ) != 0 ) {
 				DBG ( "......probe failed\n" );
 				continue;

src/drivers/bus/mca.c

 			if ( id->id != MCA_ID ( mca ) )
 				continue;
 			mca->driver = driver;
-			mca->driver_name = id->name;
-			DBG ( "...using driver %s\n", mca->driver_name );
+			mca->dev.driver_name = id->name;
+			DBG ( "...using driver %s\n", mca->dev.driver_name );
 			if ( ( rc = driver->probe ( mca, id ) ) != 0 ) {
 				DBG ( "......probe failed\n" );
 				continue;

src/drivers/linux/linux.c

 
 		if (driver->probe(device, request) == 0) {
 			device->driver = driver;
+			device->dev.driver_name = driver->name;
 			/* Driver handled the device so release ownership */
 			device = NULL;
 		} else {

src/include/ipxe/device.h

 struct device {
 	/** Name */
 	char name[16];
+	/** Driver name */
+	const char *driver_name;
 	/** Device description */
 	struct device_description desc;
 	/** Devices on the same bus */

src/include/ipxe/eisa.h

 	 * this field.
 	 */
 	void *priv;
-	/** Driver name */
-	const char *driver_name;
 };
 
 /** An EISA driver */

src/include/ipxe/isa.h

 	 * this field.
 	 */
 	void *priv;
-	/** Driver name */
-	const char *driver_name;
 };
 
 /*

src/include/ipxe/isapnp.h

 	 * this field.
 	 */
 	void *priv;
-	/** Driver name */
-	const char *driver_name;
 };
 
 /** An ISAPnP driver */

src/include/ipxe/mca.h

 	 * this field.
 	 */
 	void *priv;
-	/** Driver name */
-	const char *driver_name;
 };
 
 #define MCA_ID(mca) ( ( (mca)->pos[1] << 8 ) + (mca)->pos[0] )

src/include/ipxe/pci.h

 				    struct pci_device_id *id ) {
 	pci->driver = driver;
 	pci->id = id;
+	pci->dev.driver_name = id->name;
 }
 
 /**

src/usr/ifmgmt.c

  * @v netdev		Network device
  */
 void ifstat ( struct net_device *netdev ) {
-	printf ( "%s: %s on %s (%s)\n"
+	printf ( "%s: %s using %s on %s (%s)\n"
 		 "  [Link:%s, TX:%d TXE:%d RX:%d RXE:%d]\n",
-		 netdev->name, netdev_addr ( netdev ), netdev->dev->name,
+		 netdev->name, netdev_addr ( netdev ),
+		 netdev->dev->driver_name, netdev->dev->name,
 		 ( netdev_is_open ( netdev ) ? "open" : "closed" ),
 		 ( netdev_link_ok ( netdev ) ? "up" : "down" ),
 		 netdev->tx_stats.good, netdev->tx_stats.bad,