ata: pata_parport: Fix bpck6 module code indentation and style

Fix the header, indentation and coding style in the bpck6 pata parport
protocol module to suppress warnings from smatch and other static code
analyzers.

No functional changes.
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>

drivers/ata/pata_parport/bpck6.c

+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
-	backpack.c (c) 2001 Micro Solutions Inc.
-		Released under the terms of the GNU General Public license
-
-	backpack.c is a low-level protocol driver for the Micro Solutions
-		"BACKPACK" parallel port IDE adapter
-		(Works on Series 6 drives)
-
-	Written by: Ken Hahn     (linux-dev@micro-solutions.com)
-	            Clive Turvey (linux-dev@micro-solutions.com)
-
-*/
+ * (c) 2001 Micro Solutions Inc.
+ *
+ * backpack.c is a low-level protocol driver for the Micro Solutions
+ * "BACKPACK" parallel port IDE adapter (works on Series 6 drives).
+ *
+ * Written by: Ken Hahn (linux-dev@micro-solutions.com)
+ *             Clive Turvey (linux-dev@micro-solutions.com)
+ */
 
 #include <linux/module.h>
 #include <linux/init.h>
@@ -326,11 +324,14 @@ static int bpck6_open(struct pi_adapter *pi)
 	if (j != k)
 		goto fail;
 
-	if (i & 4)	// EPP
+	if (i & 4) {
+		/* EPP */
 		parport_frob_control(pi->pardev->port,
 			PARPORT_CONTROL_SELECT | PARPORT_CONTROL_INIT, 0);
-	else				// PPC/ECP
+	} else {
+		/* PPC/ECP */
 		parport_frob_control(pi->pardev->port, PARPORT_CONTROL_SELECT, 0);
+	}
 
 	pi->private = 0;
 
@@ -347,17 +348,20 @@ static int bpck6_open(struct pi_adapter *pi)
 	parport_write_control(pi->pardev->port, pi->saved_r2);
 	parport_write_data(pi->pardev->port, pi->saved_r0);
 
-	return 0; // FAIL
+	return 0;
 }
 
 static void bpck6_deselect(struct pi_adapter *pi)
 {
-	if (mode_map[pi->mode] & 4)	// EPP
+	if (mode_map[pi->mode] & 4) {
+		/* EPP */
 		parport_frob_control(pi->pardev->port, PARPORT_CONTROL_INIT,
-							PARPORT_CONTROL_INIT);
-	else								// PPC/ECP
+				     PARPORT_CONTROL_INIT);
+	} else {
+		/* PPC/ECP */
 		parport_frob_control(pi->pardev->port, PARPORT_CONTROL_SELECT,
-							PARPORT_CONTROL_SELECT);
+				     PARPORT_CONTROL_SELECT);
+	}
 
 	parport_write_data(pi->pardev->port, pi->saved_r0);
 	parport_write_control(pi->pardev->port,
@@ -386,7 +390,8 @@ static void bpck6_disconnect(struct pi_adapter *pi)
 	bpck6_deselect(pi);
 }
 
-static int bpck6_test_port(struct pi_adapter *pi)   /* check for 8-bit port */
+/* check for 8-bit port */
+static int bpck6_test_port(struct pi_adapter *pi)
 {
 	dev_dbg(&pi->dev, "PARPORT indicates modes=%x for lp=0x%lx\n",
 		pi->pardev->port->modes, pi->pardev->port->base);
@@ -413,28 +418,26 @@ static int bpck6_probe_unit(struct pi_adapter *pi)
 
 	dev_dbg(&pi->dev, "ppc_open returned %2x\n", out);
 
-  	if(out)
- 	{
+	if (out) {
 		bpck6_deselect(pi);
 		dev_dbg(&pi->dev, "leaving probe\n");
 		pi->mode = saved_mode;
-               return(1);
+		return 1;
 	}
-  	else
-  	{
-		dev_dbg(&pi->dev, "Failed open\n");
-		pi->mode = saved_mode;
-    		return(0);
-  	}
+
+	dev_dbg(&pi->dev, "Failed open\n");
+	pi->mode = saved_mode;
+
+	return 0;
 }
 
 static void bpck6_log_adapter(struct pi_adapter *pi)
 {
-	char *mode_string[5]=
-		{"4-bit","8-bit","EPP-8","EPP-16","EPP-32"};
+	char *mode_string[5] = { "4-bit", "8-bit", "EPP-8", "EPP-16", "EPP-32" };
 
-	dev_info(&pi->dev, "Micro Solutions BACKPACK Drive unit %d at 0x%x, mode:%d (%s), delay %d\n",
-		pi->unit, pi->port, pi->mode, mode_string[pi->mode], pi->delay);
+	dev_info(&pi->dev,
+		 "Micro Solutions BACKPACK Drive unit %d at 0x%x, mode:%d (%s), delay %d\n",
+		 pi->unit, pi->port, pi->mode, mode_string[pi->mode], pi->delay);
 }
 
 static struct pi_protocol bpck6 = {