ata: pata_parport: remove devtype from struct pi_adapter

Only bpck driver uses devtype but it never gets set in pata_parport.
Remove it.
As most bpck devices are CD-ROMs, always run the code that depends
on devtype == PI_PCD.
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/bpck.c

@@ -241,14 +241,14 @@ static void bpck_connect ( PIA *pi  )
 
 	WR(5,8);
 
-	if (pi->devtype == PI_PCD) {
+/*	if (pi->devtype == PI_PCD) {	possibly wrong, purpose unknown */
 		WR(0x46,0x10);		/* fiddle with ESS logic ??? */
 		WR(0x4c,0x38);
 		WR(0x4d,0x88);
 		WR(0x46,0xa0);
 		WR(0x41,0);
 		WR(0x4e,8);
-		}
+/*	}*/
 }
 
 static void bpck_disconnect ( PIA *pi )

include/linux/pata_parport.h

@@ -11,15 +11,12 @@
 
 #include <linux/libata.h>
 
-#define PI_PCD	1	/* dummy for paride protocol modules */
-
 struct pi_adapter {
 	struct device dev;
 	struct pi_protocol *proto;	/* adapter protocol */
 	int port;			/* base address of parallel port */
 	int mode;			/* transfer mode in use */
 	int delay;			/* adapter delay setting */
-	int devtype;			/* dummy for paride protocol modules */
 	char *device;			/* dummy for paride protocol modules */
 	int unit;			/* unit number for chained adapters */
 	int saved_r0;			/* saved port state */