aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/ata
diff options
context:
space:
mode:
authorDamien Le Moal <dlemoal@kernel.org>2023-05-16 16:58:21 +0900
committerDamien Le Moal <dlemoal@kernel.org>2023-05-16 20:17:05 +0900
commit0d5e81729f4f3ac85e0d7ee888a1281d987f97cf (patch)
treea958169e735bd46288584b1d063059efeeade917 /drivers/ata
parent8be319717be2f121893a467de80ba05ad2a64067 (diff)
downloadlinux-0d5e81729f4f3ac85e0d7ee888a1281d987f97cf.tar.gz
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>
Diffstat (limited to 'drivers/ata')
-rw-r--r--drivers/ata/pata_parport/fit2.c131
1 files changed, 64 insertions, 67 deletions
diff --git a/drivers/ata/pata_parport/fit2.c b/drivers/ata/pata_parport/fit2.c
index fd3b2ce426a5f..6524f3033b1ef 100644
--- a/drivers/ata/pata_parport/fit2.c
+++ b/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);
}