ata: pata_parport: Fix fit2 module code indentation and style

Fix the header, indentation and coding style in the fit2 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>

Author: damien-lemoal

drivers/ata/pata_parport/fit2.c

@@ -1,17 +1,16 @@
-/* 
-        fit2.c        (c) 1998  Grant R. Guenther <grant@torque.net>
-                          Under the terms of the GNU General Public License.
-
-	fit2.c is a low-level protocol driver for the older version
-        of the Fidelity International Technology parallel port adapter.  
-	This adapter is used in their TransDisk 2000 and older TransDisk
-	3000 portable hard-drives.  As far as I can tell, this device
-	supports 4-bit mode _only_.  
-
-	Newer models of the FIT products use an enhanced protocol.
-	The "fit3" protocol module should support current drives.
-
-*/
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * (c) 1998  Grant R. Guenther <grant@torque.net>
+ *
+ * fit2.c is a low-level protocol driver for the older version
+ * of the Fidelity International Technology parallel port adapter.
+ * This adapter is used in their TransDisk 2000 and older TransDisk
+ * 3000 portable hard-drives.  As far as I can tell, this device
+ * supports 4-bit mode _only_.
+ *
+ * Newer models of the FIT products use an enhanced protocol.
+ * The "fit3" protocol module should support current drives.
+ */
 
 #include <linux/module.h>
 #include <linux/init.h>
@@ -22,99 +21,97 @@
 #include <asm/io.h>
 #include "pata_parport.h"
 
-#define j44(a,b)                (((a>>4)&0x0f)|(b&0xf0))
-
-/* cont = 0 - access the IDE register file 
-   cont = 1 - access the IDE command set 
+#define j44(a, b)	(((a >> 4) & 0x0f) | (b & 0xf0))
 
-NB:  The FIT adapter does not appear to use the control registers.
-So, we map ALT_STATUS to STATUS and NO-OP writes to the device
-control register - this means that IDE reset will not work on these
-devices.
-
-*/
+/*
+ * cont = 0 - access the IDE register file
+ * cont = 1 - access the IDE command set
+ *
+ * NB: The FIT adapter does not appear to use the control registers.
+ * So, we map ALT_STATUS to STATUS and NO-OP writes to the device
+ * control register - this means that IDE reset will not work on these
+ * devices.
+ */
 
 static void fit2_write_regr(struct pi_adapter *pi, int cont, int regr, int val)
-
-{	if (cont == 1) return;
+{
+	if (cont == 1)
+		return;
 	w2(0xc); w0(regr); w2(4); w0(val); w2(5); w0(0); w2(4);
 }
 
 static int fit2_read_regr(struct pi_adapter *pi, int cont, int regr)
-
-{	int  a, b, r;
+{
+	int  a, b, r;
 
 	if (cont) {
-	  if (regr != 6) return 0xff;
-	  r = 7;
-	} else r = regr + 0x10;
+		if (regr != 6)
+			return 0xff;
+		r = 7;
+	} else {
+		r = regr + 0x10;
+	}
 
-	w2(0xc); w0(r); w2(4); w2(5); 
-	         w0(0); a = r1();
-	         w0(1); b = r1();
+	w2(0xc); w0(r); w2(4); w2(5);
+	w0(0); a = r1();
+	w0(1); b = r1();
 	w2(4);
 
-	return j44(a,b);
-
+	return j44(a, b);
 }
 
 static void fit2_read_block(struct pi_adapter *pi, char *buf, int count)
-
-{	int  k, a, b, c, d;
+{
+	int  k, a, b, c, d;
 
 	w2(0xc); w0(0x10);
 
-	for (k=0;k<count/4;k++) {
-
+	for (k = 0; k < count / 4; k++) {
 		w2(4); w2(5);
 		w0(0); a = r1(); w0(1); b = r1();
-		w0(3); c = r1(); w0(2); d = r1(); 
-		buf[4*k+0] = j44(a,b);
-		buf[4*k+1] = j44(d,c);
-
-                w2(4); w2(5);
-                       a = r1(); w0(3); b = r1();
-                w0(1); c = r1(); w0(0); d = r1(); 
-                buf[4*k+2] = j44(d,c);
-                buf[4*k+3] = j44(a,b);
+		w0(3); c = r1(); w0(2); d = r1();
+		buf[4 * k + 0] = j44(a, b);
+		buf[4 * k + 1] = j44(d, c);
 
+		w2(4); w2(5);
+		a = r1(); w0(3); b = r1();
+		w0(1); c = r1(); w0(0); d = r1();
+		buf[4 * k + 2] = j44(d, c);
+		buf[4 * k + 3] = j44(a, b);
 	}
 
 	w2(4);
-
 }
 
 static void fit2_write_block(struct pi_adapter *pi, char *buf, int count)
+{
+	int k;
 
-{	int k;
-
-
-	w2(0xc); w0(0); 
-	for (k=0;k<count/2;k++) {
-		w2(4); w0(buf[2*k]); 
-		w2(5); w0(buf[2*k+1]);
+	w2(0xc); w0(0);
+	for (k = 0; k < count / 2; k++) {
+		w2(4); w0(buf[2 * k]);
+		w2(5); w0(buf[2 * k + 1]);
 	}
 	w2(4);
 }
 
 static void fit2_connect(struct pi_adapter *pi)
-
-{       pi->saved_r0 = r0();
-        pi->saved_r2 = r2();
-	w2(0xcc); 
+{
+	pi->saved_r0 = r0();
+	pi->saved_r2 = r2();
+	w2(0xcc);
 }
 
 static void fit2_disconnect(struct pi_adapter *pi)
-
-{       w0(pi->saved_r0);
-        w2(pi->saved_r2);
-} 
+{
+	w0(pi->saved_r0);
+	w2(pi->saved_r2);
+}
 
 static void fit2_log_adapter(struct pi_adapter *pi)
-
 {
 	dev_info(&pi->dev, "FIT 2000 adapter at 0x%x, delay %d\n",
-		pi->port, pi->delay);
+		 pi->port, pi->delay);
 
 }