ata: pata_parport: probe all units automatically

Only unit 0 is probed after registering a protocol driver or attaching
a new parport. This causes bpck and bpck6 devices to be not detected
automatically.
Probe all units just like in manual device creation (using sysfs).
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Ondrej Zary <linux@zary.sk>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>

drivers/ata/pata_parport/pata_parport.c

@@ -534,7 +534,7 @@ int pata_parport_register_driver(struct pi_protocol *pr)
 	if (probe) {
 		/* probe all parports using this protocol */
 		idr_for_each_entry(&parport_list, parport, port_num)
-			pi_init_one(parport, pr, -1, 0, -1);
+			pi_init_one(parport, pr, -1, -1, -1);
 	}
 	mutex_unlock(&pi_mutex);
 
@@ -669,7 +669,7 @@ static void pata_parport_attach(struct parport *port)
 	if (probe) {
 		/* probe this port using all protocols */
 		idr_for_each_entry(&protocols, pr, pr_num)
-			pi_init_one(port, pr, -1, 0, -1);
+			pi_init_one(port, pr, -1, -1, -1);
 	}
 	mutex_unlock(&pi_mutex);
 }