[PATCH 12/13] ata: pata_parport: Fix on20 module code indentation and style

[Damien Le Moal <dlemoal@kernel.org>]

Fix the header, indentation and coding style in the on20 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/on20.c | 149 ++++++++++++++++++--------------
 1 file changed, 82 insertions(+), 67 deletions(-)

diff --git a/drivers/ata/pata_parport/on20.c b/drivers/ata/pata_parport/on20.c
index 276ace12d490..34e69da2bec8 100644
--- a/drivers/ata/pata_parport/on20.c
+++ b/drivers/ata/pata_parport/on20.c
@@ -1,10 +1,10 @@
-/* 
-	on20.c	(c) 1996-8  Grant R. Guenther <grant@torque.net>
-		            Under the terms of the GNU General Public License.
-
-        on20.c is a low-level protocol driver for the
-        Onspec 90c20 parallel to IDE adapter. 
-*/
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * (c) 1996-1998  Grant R. Guenther <grant@torque.net>
+ *
+ * on20.c is a low-level protocol driver for the
+ * Onspec 90c20 parallel to IDE adapter.
+ */
 
 #include <linux/module.h>
 #include <linux/init.h>
@@ -15,99 +15,114 @@
 #include <asm/io.h>
 #include "pata_parport.h"
 
-#define op(f)	w2(4);w0(f);w2(5);w2(0xd);w2(5);w2(0xd);w2(5);w2(4);
-#define vl(v)	w2(4);w0(v);w2(5);w2(7);w2(5);w2(4);
-
-#define j44(a,b)  (((a>>4)&0x0f)|(b&0xf0))
-
-/* cont = 0 - access the IDE register file 
-   cont = 1 - access the IDE command set 
-*/
-
-static int on20_read_regr(struct pi_adapter *pi, int cont, int regr)
-
-{	int h,l, r ;
+#define op(f)					\
+	do {					\
+		w2(4); w0(f); w2(5); w2(0xd);	\
+		w2(5); w2(0xd); w2(5); w2(4);	\
+	} while (0)
 
-        r = (regr<<2) + 1 + cont;
+#define vl(v)					\
+	do {					\
+		w2(4); w0(v); w2(5);		\
+		w2(7); w2(5); w2(4);		\
+	} while (0)
 
-        op(1); vl(r); op(0);
+#define j44(a, b)	(((a >> 4) & 0x0f) | (b & 0xf0))
 
-	switch (pi->mode)  {
-
-        case 0:  w2(4); w2(6); l = r1();
-                 w2(4); w2(6); h = r1();
-                 w2(4); w2(6); w2(4); w2(6); w2(4);
-		 return j44(l,h);
-
-	case 1:  w2(4); w2(0x26); r = r0(); 
-                 w2(4); w2(0x26); w2(4);
-		 return r;
+/*
+ * cont = 0 - access the IDE register file
+ * cont = 1 - access the IDE command set
+ */
 
+static int on20_read_regr(struct pi_adapter *pi, int cont, int regr)
+{
+	int h, l, r;
+
+	r = (regr << 2) + 1 + cont;
+
+	op(1); vl(r); op(0);
+
+	switch (pi->mode) {
+	case 0:
+		w2(4); w2(6); l = r1();
+		w2(4); w2(6); h = r1();
+		w2(4); w2(6); w2(4); w2(6); w2(4);
+		return j44(l, h);
+	case 1:
+		w2(4); w2(0x26); r = r0();
+		w2(4); w2(0x26); w2(4);
+		return r;
 	}
+
 	return -1;
-}	
+}
 
 static void on20_write_regr(struct pi_adapter *pi, int cont, int regr, int val)
+{
+	int r = (regr << 2) + 1 + cont;
 
-{	int r;
-
-	r = (regr<<2) + 1 + cont;
-
-	op(1); vl(r); 
-	op(0); vl(val); 
+	op(1); vl(r);
+	op(0); vl(val);
 	op(0); vl(val);
 }
 
 static void on20_connect(struct pi_adapter *pi)
-
-{	pi->saved_r0 = r0();
-        pi->saved_r2 = r2();
-
-	w2(4);w0(0);w2(0xc);w2(4);w2(6);w2(4);w2(6);w2(4); 
-	if (pi->mode) { op(2); vl(8); op(2); vl(9); }
-	       else   { op(2); vl(0); op(2); vl(8); }
+{
+	pi->saved_r0 = r0();
+	pi->saved_r2 = r2();
+
+	w2(4); w0(0); w2(0xc); w2(4); w2(6); w2(4); w2(6); w2(4);
+	if (pi->mode) {
+		op(2); vl(8); op(2); vl(9);
+	} else {
+		op(2); vl(0); op(2); vl(8);
+	}
 }
 
 static void on20_disconnect(struct pi_adapter *pi)
-
-{	w2(4);w0(7);w2(4);w2(0xc);w2(4);
-        w0(pi->saved_r0);
-        w2(pi->saved_r2);
-} 
+{
+	w2(4); w0(7); w2(4); w2(0xc); w2(4);
+	w0(pi->saved_r0);
+	w2(pi->saved_r2);
+}
 
 static void on20_read_block(struct pi_adapter *pi, char *buf, int count)
-
-{	int     k, l, h; 
+{
+	int k, l, h;
 
 	op(1); vl(1); op(0);
 
-	for (k=0;k<count;k++) 
-	    if (pi->mode) {
-		w2(4); w2(0x26); buf[k] = r0();
-	    } else {
-		w2(6); l = r1(); w2(4);
-		w2(6); h = r1(); w2(4);
-		buf[k] = j44(l,h);
-	    }
+	for (k = 0; k < count; k++) {
+		if (pi->mode) {
+			w2(4); w2(0x26); buf[k] = r0();
+		} else {
+			w2(6); l = r1(); w2(4);
+			w2(6); h = r1(); w2(4);
+			buf[k] = j44(l, h);
+		}
+	}
 	w2(4);
 }
 
 static void on20_write_block(struct pi_adapter *pi, char *buf, int count)
-
-{	int	k;
+{
+	int k;
 
 	op(1); vl(1); op(0);
 
-	for (k=0;k<count;k++) { w2(5); w0(buf[k]); w2(7); }
+	for (k = 0; k < count; k++) {
+		w2(5); w0(buf[k]); w2(7);
+	}
 	w2(4);
 }
 
 static void on20_log_adapter(struct pi_adapter *pi)
+{
+	char *mode_string[2] = { "4-bit", "8-bit" };
 
-{       char    *mode_string[2] = {"4-bit","8-bit"};
-
-	dev_info(&pi->dev, "OnSpec 90c20 at 0x%x, mode %d (%s), delay %d\n",
-		pi->port, pi->mode, mode_string[pi->mode], pi->delay);
+	dev_info(&pi->dev,
+		 "OnSpec 90c20 at 0x%x, mode %d (%s), delay %d\n",
+		 pi->port, pi->mode, mode_string[pi->mode], pi->delay);
 }
 
 static struct pi_protocol on20 = {
-- 
2.40.1