ata: pata_parport: Fix aten module code indentation and style

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

diff --git a/drivers/ata/pata_parport/aten.c b/drivers/ata/pata_parport/aten.c
index 1bd248c..8328a49 100644 (file)
--- a/drivers/ata/pata_parport/aten.c
+++ b/drivers/ata/pata_parport/aten.c
@@ -1,13 +1,12 @@
-/* 
-        aten.c  (c) 1997-8  Grant R. Guenther <grant@torque.net>
-                            Under the terms of the GNU General Public License.
-
-       aten.c is a low-level protocol driver for the ATEN EH-100
-       parallel port adapter.  The EH-100 supports 4-bit and 8-bit
-        modes only.  There is also an EH-132 which supports EPP mode
-        transfers.  The EH-132 is not yet supported.
-
-*/
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * (c) 1997-8  Grant R. Guenther <grant@torque.net>
+ *
+ * aten.c is a low-level protocol driver for the ATEN EH-100
+ * parallel port adapter.  The EH-100 supports 4-bit and 8-bit
+ * modes only.  There is also an EH-132 which supports EPP mode
+ * transfers.  The EH-132 is not yet supported.
+ */
 
 #include <linux/module.h>
 #include <linux/init.h>
@@ -20,36 +19,36 @@
 
 #define j44(a,b)                ((((a>>4)&0x0f)|(b&0xf0))^0x88)
 
-/* cont = 0 - access the IDE register file 
-   cont = 1 - access the IDE command set 
-*/
-
+/*
+ * cont = 0 - access the IDE register file
+ * cont = 1 - access the IDE command set
+ */
 static int  cont_map[2] = { 0x08, 0x20 };
 
 static void aten_write_regr(struct pi_adapter *pi, int cont, int regr, int val)
-
-{      int r;
-
-       r = regr + cont_map[cont] + 0x80;
+{
+       int r = regr + cont_map[cont] + 0x80;
 
        w0(r); w2(0xe); w2(6); w0(val); w2(7); w2(6); w2(0xc);
 }
 
 static int aten_read_regr(struct pi_adapter *pi, int cont, int regr)
+{
+       int  a, b, r;
 
-{      int  a, b, r;
-
-        r = regr + cont_map[cont] + 0x40;
+       r = regr + cont_map[cont] + 0x40;
 
        switch (pi->mode) {
 
-        case 0: w0(r); w2(0xe); w2(6); 
+       case 0:
+               w0(r); w2(0xe); w2(6);
                w2(7); w2(6); w2(0);
                a = r1(); w0(0x10); b = r1(); w2(0xc);
                return j44(a,b);
 
-        case 1: r |= 0x10;
-               w0(r); w2(0xe); w2(6); w0(0xff); 
+       case 1:
+               r |= 0x10;
+               w0(r); w2(0xe); w2(6); w0(0xff);
                w2(0x27); w2(0x26); w2(0x20);
                a = r0();
                w2(0x26); w2(0xc);
@@ -59,27 +58,30 @@ static int aten_read_regr(struct pi_adapter *pi, int cont, int regr)
 }
 
 static void aten_read_block(struct pi_adapter *pi, char *buf, int count)
-
-{      int  k, a, b, c, d;
+{
+       int  k, a, b, c, d;
 
        switch (pi->mode) {
 
-       case 0: w0(0x48); w2(0xe); w2(6);
-               for (k=0;k<count/2;k++) {
+       case 0:
+               w0(0x48); w2(0xe); w2(6);
+               for (k = 0; k < count / 2; k++) {
                        w2(7); w2(6); w2(2);
                        a = r1(); w0(0x58); b = r1();
                        w2(0); d = r1(); w0(0x48); c = r1();
-                       buf[2*k] = j44(c,d);
-                       buf[2*k+1] = j44(a,b);
+                       buf[2 * k] = j44(c, d);
+                       buf[2 * k + 1] = j44(a, b);
                }
                w2(0xc);
                break;
 
-       case 1: w0(0x58); w2(0xe); w2(6);
-               for (k=0;k<count/2;k++) {
+       case 1:
+               w0(0x58); w2(0xe); w2(6);
+               for (k = 0; k < count / 2; k++) {
                        w2(0x27); w2(0x26); w2(0x22);
                        a = r0(); w2(0x20); b = r0();
-                       buf[2*k] = b; buf[2*k+1] = a;
+                       buf[2 * k] = b;
+                       buf[2 * k + 1] = a;
                }
                w2(0x26); w2(0xc);
                break;
@@ -87,36 +89,37 @@ static void aten_read_block(struct pi_adapter *pi, char *buf, int count)
 }
 
 static void aten_write_block(struct pi_adapter *pi, char *buf, int count)
-
-{      int k;
+{
+       int k;
 
        w0(0x88); w2(0xe); w2(6);
-       for (k=0;k<count/2;k++) {
-               w0(buf[2*k+1]); w2(0xe); w2(6);
-               w0(buf[2*k]); w2(7); w2(6);
+       for (k = 0; k < count / 2; k++) {
+               w0(buf[2 * k + 1]); w2(0xe); w2(6);
+               w0(buf[2 * k]); w2(7); w2(6);
        }
        w2(0xc);
 }
 
 static void aten_connect(struct pi_adapter *pi)
-
-{       pi->saved_r0 = r0();
-        pi->saved_r2 = r2();
-       w2(0xc);        
+{
+       pi->saved_r0 = r0();
+       pi->saved_r2 = r2();
+       w2(0xc);
 }
 
 static void aten_disconnect(struct pi_adapter *pi)
-
-{       w0(pi->saved_r0);
-        w2(pi->saved_r2);
-} 
+{
+       w0(pi->saved_r0);
+       w2(pi->saved_r2);
+}
 
 static void aten_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, "ATEN EH-100 at 0x%x, mode %d (%s), delay %d\n",
-               pi->port, pi->mode, mode_string[pi->mode], pi->delay);
+       dev_info(&pi->dev,
+                "ATEN EH-100 at 0x%x, mode %d (%s), delay %d\n",
+                pi->port, pi->mode, mode_string[pi->mode], pi->delay);
 }
 
 static struct pi_protocol aten = {