ata: pata_parport-bpck6: merge ppc6_rd_port into bpck6_read_regr

ppc6_rd_port is only called by bpck6_read_regr. Merge ppc6_rd_port
into bpck6_read_regr.
Signed-off-by: Ondrej Zary <linux@zary.sk>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>

drivers/ata/pata_parport/bpck6.c

@@ -21,7 +21,10 @@
 
 static int bpck6_read_regr(struct pi_adapter *pi, int cont, int reg)
 {
-	return ppc6_rd_port(pi, cont?reg|8:reg);
+	u8 port = cont ? reg | 8 : reg;
+
+	ppc6_send_cmd(pi, port | ACCESS_PORT | ACCESS_READ);
+	return ppc6_rd_data_byte(pi);
 }
 
 static void bpck6_write_regr(struct pi_adapter *pi, int cont, int reg, int val)

drivers/ata/pata_parport/ppc6lnx.c

@@ -72,7 +72,6 @@ static void ppc6_deselect(struct pi_adapter *pi);
 static void ppc6_send_cmd(struct pi_adapter *pi, u8 cmd);
 static void ppc6_wr_data_byte(struct pi_adapter *pi, u8 data);
 static u8 ppc6_rd_data_byte(struct pi_adapter *pi);
-static u8 ppc6_rd_port(struct pi_adapter *pi, u8 port);
 static void ppc6_wr_port(struct pi_adapter *pi, u8 port, u8 data);
 static void ppc6_rd_data_blk(struct pi_adapter *pi, u8 *data, long count);
 static void ppc6_wait_for_fifo(struct pi_adapter *pi);
@@ -288,15 +287,6 @@ static u8 ppc6_rd_data_byte(struct pi_adapter *pi)
 
 //***************************************************************************
 
-static u8 ppc6_rd_port(struct pi_adapter *pi, u8 port)
-{
-	ppc6_send_cmd(pi, port | ACCESS_PORT | ACCESS_READ);
-
-	return ppc6_rd_data_byte(pi);
-}
-
-//***************************************************************************
-
 static void ppc6_wr_port(struct pi_adapter *pi, u8 port, u8 data)
 {
 	ppc6_send_cmd(pi, port | ACCESS_PORT | ACCESS_WRITE);