tty-usb-oti6858: Coding style

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 70 insertions, 66 deletions

diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c
index 069d276a5276..81db5715ee25 100644
--- a/drivers/usb/serial/oti6858.c
+++ b/drivers/usb/serial/oti6858.c
@@ -25,7 +25,8 @@
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License.
  *
- * See Documentation/usb/usb-serial.txt for more information on using this driver
+ * See Documentation/usb/usb-serial.txt for more information on using this
+ * driver
  *
  * TODO:
  *  - implement correct flushing for ioctls and oti6858_close()
@@ -49,7 +50,7 @@
 #include <linux/spinlock.h>
 #include <linux/usb.h>
 #include <linux/usb/serial.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 #include "oti6858.h"
 
 #define OTI6858_DESCRIPTION \
@@ -135,9 +136,9 @@ struct oti6858_control_pkt {
 
 #define OTI6858_CTRL_PKT_SIZE   sizeof(struct oti6858_control_pkt)
 #define OTI6858_CTRL_EQUALS_PENDING(a, priv) \
-        (    ((a)->divisor == (priv)->pending_setup.divisor) \
+        (((a)->divisor == (priv)->pending_setup.divisor) \
           && ((a)->control == (priv)->pending_setup.control) \
-          && ((a)->frame_fmt == (priv)->pending_setup.frame_fmt) )
+          && ((a)->frame_fmt == (priv)->pending_setup.frame_fmt))
 
 /* function prototypes */
 static int oti6858_open(struct tty_struct *tty,
@@ -220,7 +221,7 @@ struct oti6858_private {
         struct delayed_work delayed_setup_work;
 
         wait_queue_head_t intr_wait;
-        struct usb_serial_port *port;   /* USB port with which associated */
+        struct usb_serial_port *port;   /* USB port with which associated */
 };
 
 #undef dbg
@@ -229,7 +230,8 @@ struct oti6858_private {
 
 static void setup_line(struct work_struct *work)
 {
-        struct oti6858_private *priv = container_of(work, struct oti6858_private, delayed_setup_work.work);
+        struct oti6858_private *priv = container_of(work,
+                        struct oti6858_private, delayed_setup_work.work);
         struct usb_serial_port *port = priv->port;
         struct oti6858_control_pkt *new_setup;
         unsigned long flags;
@@ -237,10 +239,12 @@ static void setup_line(struct work_struct *work)
 
         dbg("%s(port = %d)", __func__, port->number);
 
-        if ((new_setup = kmalloc(OTI6858_CTRL_PKT_SIZE, GFP_KERNEL)) == NULL) {
+        new_setup = kmalloc(OTI6858_CTRL_PKT_SIZE, GFP_KERNEL);
+        if (new_setup == NULL) {
                 dev_err(&port->dev, "%s(): out of memory!\n", __func__);
                 /* we will try again */
-                schedule_delayed_work(&priv->delayed_setup_work, msecs_to_jiffies(2));
+                schedule_delayed_work(&priv->delayed_setup_work,
+                                                msecs_to_jiffies(2));
                 return;
         }
 
@@ -256,7 +260,8 @@ static void setup_line(struct work_struct *work)
                 dev_err(&port->dev, "%s(): error reading status\n", __func__);
                 kfree(new_setup);
                 /* we will try again */
-                schedule_delayed_work(&priv->delayed_setup_work, msecs_to_jiffies(2));
+                schedule_delayed_work(&priv->delayed_setup_work,
+                                                        msecs_to_jiffies(2));
                 return;
         }
 
@@ -297,7 +302,8 @@ static void setup_line(struct work_struct *work)
 
 void send_data(struct work_struct *work)
 {
-        struct oti6858_private *priv = container_of(work, struct oti6858_private, delayed_write_work.work);
+        struct oti6858_private *priv = container_of(work,
+                        struct oti6858_private, delayed_write_work.work);
         struct usb_serial_port *port = priv->port;
         int count = 0, result;
         unsigned long flags;
@@ -308,7 +314,8 @@ void send_data(struct work_struct *work)
         spin_lock_irqsave(&priv->lock, flags);
         if (priv->flags.write_urb_in_use) {
                 spin_unlock_irqrestore(&priv->lock, flags);
-                schedule_delayed_work(&priv->delayed_write_work, msecs_to_jiffies(2));
+                schedule_delayed_work(&priv->delayed_write_work,
+                                                msecs_to_jiffies(2));
                 return;
         }
         priv->flags.write_urb_in_use = 1;
@@ -359,8 +366,8 @@ void send_data(struct work_struct *work)
 
 static int oti6858_startup(struct usb_serial *serial)
 {
-        struct usb_serial_port *port = serial->port[0];
-        struct oti6858_private *priv;
+        struct usb_serial_port *port = serial->port[0];
+        struct oti6858_private *priv;
         int i;
 
         for (i = 0; i < serial->num_ports; ++i) {
@@ -375,8 +382,8 @@ static int oti6858_startup(struct usb_serial *serial)
 
                 spin_lock_init(&priv->lock);
                 init_waitqueue_head(&priv->intr_wait);
-//              INIT_WORK(&priv->setup_work, setup_line, serial->port[i]);
-//              INIT_WORK(&priv->write_work, send_data, serial->port[i]);
+/*              INIT_WORK(&priv->setup_work, setup_line, serial->port[i]); */
+/*              INIT_WORK(&priv->write_work, send_data, serial->port[i]); */
                 priv->port = port;
                 INIT_DELAYED_WORK(&priv->delayed_setup_work, setup_line);
                 INIT_DELAYED_WORK(&priv->delayed_write_work, send_data);
@@ -482,19 +489,19 @@ static void oti6858_set_termios(struct tty_struct *tty,
 
         frame_fmt &= ~FMT_DATA_BITS_MASK;
         switch (cflag & CSIZE) {
-                case CS5:
-                        frame_fmt |= FMT_DATA_BITS_5;
-                        break;
-                case CS6:
-                        frame_fmt |= FMT_DATA_BITS_6;
-                        break;
-                case CS7:
-                        frame_fmt |= FMT_DATA_BITS_7;
-                        break;
-                default:
-                case CS8:
-                        frame_fmt |= FMT_DATA_BITS_8;
-                        break;
+        case CS5:
+                frame_fmt |= FMT_DATA_BITS_5;
+                break;
+        case CS6:
+                frame_fmt |= FMT_DATA_BITS_6;
+                break;
+        case CS7:
+                frame_fmt |= FMT_DATA_BITS_7;
+                break;
+        default:
+        case CS8:
+                frame_fmt |= FMT_DATA_BITS_8;
+                break;
         }
 
         /* manufacturer claims that this device can work with baud rates
@@ -517,19 +524,17 @@ static void oti6858_set_termios(struct tty_struct *tty,
         }
 
         frame_fmt &= ~FMT_STOP_BITS_MASK;
-        if ((cflag & CSTOPB) != 0) {
+        if ((cflag & CSTOPB) != 0)
                 frame_fmt |= FMT_STOP_BITS_2;
-        } else {
+        else
                 frame_fmt |= FMT_STOP_BITS_1;
-        }
 
         frame_fmt &= ~FMT_PARITY_MASK;
         if ((cflag & PARENB) != 0) {
-                if ((cflag & PARODD) != 0) {
+                if ((cflag & PARODD) != 0)
                         frame_fmt |= FMT_PARITY_ODD;
-                } else {
+                else
                         frame_fmt |= FMT_PARITY_EVEN;
-                }
         } else {
                 frame_fmt |= FMT_PARITY_NONE;
         }
@@ -584,7 +589,8 @@ static int oti6858_open(struct tty_struct *tty,
         if (port->port.count != 1)
                 return 0;
 
-        if ((buf = kmalloc(OTI6858_CTRL_PKT_SIZE, GFP_KERNEL)) == NULL) {
+        buf = kmalloc(OTI6858_CTRL_PKT_SIZE, GFP_KERNEL);
+        if (buf == NULL) {
                 dev_err(&port->dev, "%s(): out of memory!\n", __func__);
                 return -ENOMEM;
         }
@@ -729,11 +735,10 @@ static int oti6858_tiocmset(struct tty_struct *tty, struct file *file,
         if ((clear & TIOCM_DTR) != 0)
                 control &= ~CONTROL_DTR_HIGH;
 
-        if (control != priv->pending_setup.control) {
+        if (control != priv->pending_setup.control)
                 priv->pending_setup.control = control;
-        }
-        spin_unlock_irqrestore(&priv->lock, flags);
 
+        spin_unlock_irqrestore(&priv->lock, flags);
         return 0;
 }
 
@@ -785,7 +790,8 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg)
         spin_unlock_irqrestore(&priv->lock, flags);
 
         while (1) {
-                wait_event_interruptible(priv->intr_wait, priv->status.pin_state != prev);
+                wait_event_interruptible(priv->intr_wait,
+                                        priv->status.pin_state != prev);
                 if (signal_pending(current))
                         return -ERESTARTSYS;
 
@@ -795,12 +801,11 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg)
 
                 changed = prev ^ status;
                 /* FIXME: check if this is correct (active high/low) */
-                if (    ((arg & TIOCM_RNG) && (changed & PIN_RI)) ||
-                        ((arg & TIOCM_DSR) && (changed & PIN_DSR)) ||
-                        ((arg & TIOCM_CD)  && (changed & PIN_DCD)) ||
-                        ((arg & TIOCM_CTS) && (changed & PIN_CTS))) {
-                                return 0;
-                }
+                if (((arg & TIOCM_RNG) && (changed & PIN_RI)) ||
+                    ((arg & TIOCM_DSR) && (changed & PIN_DSR)) ||
+                    ((arg & TIOCM_CD)  && (changed & PIN_DCD)) ||
+                    ((arg & TIOCM_CTS) && (changed & PIN_CTS)))
+                        return 0;
                 prev = status;
         }
 
@@ -817,15 +822,13 @@ static int oti6858_ioctl(struct tty_struct *tty, struct file *file,
                                 __func__, port->number, cmd, arg);
 
         switch (cmd) {
-                case TIOCMIWAIT:
-                        dbg("%s(): TIOCMIWAIT", __func__);
-                        return wait_modem_info(port, arg);
-
-                default:
-                        dbg("%s(): 0x%04x not supported", __func__, cmd);
-                        break;
+        case TIOCMIWAIT:
+                dbg("%s(): TIOCMIWAIT", __func__);
+                return wait_modem_info(port, arg);
+        default:
+                dbg("%s(): 0x%04x not supported", __func__, cmd);
+                break;
         }
-
         return -ENOIOCTLCMD;
 }
 
@@ -941,7 +944,7 @@ static void oti6858_read_int_callback(struct urb *urb)
                 spin_lock_irqsave(&priv->lock, flags);
                 if (priv->flags.write_urb_in_use == 0
                                 && oti6858_buf_data_avail(priv->buf) != 0) {
-                        schedule_delayed_work(&priv->delayed_write_work,0);
+                        schedule_delayed_work(&priv->delayed_write_work, 0);
                         resubmit = 0;
                 }
                 spin_unlock_irqrestore(&priv->lock, flags);
@@ -950,7 +953,7 @@ static void oti6858_read_int_callback(struct urb *urb)
         if (resubmit) {
                 int result;
 
-//              dbg("%s(): submitting interrupt urb", __func__);
+/*              dbg("%s(): submitting interrupt urb", __func__); */
                 urb->dev = port->serial->dev;
                 result = usb_submit_urb(urb, GFP_ATOMIC);
                 if (result != 0) {
@@ -985,8 +988,10 @@ static void oti6858_read_bulk_callback(struct urb *urb)
                 }
                 /*
                 if (status == -EPROTO) {
-                        // PL2303 mysteriously fails with -EPROTO reschedule the read
-                        dbg("%s - caught -EPROTO, resubmitting the urb", __func__);
+                        * PL2303 mysteriously fails with -EPROTO reschedule
+                           the read *
+                        dbg("%s - caught -EPROTO, resubmitting the urb",
+                                                                __func__);
                         result = usb_submit_urb(urb, GFP_ATOMIC);
                         if (result)
                                 dev_err(&urb->dev->dev, "%s - failed resubmitting read urb, error %d\n", __func__, result);
@@ -1003,7 +1008,7 @@ static void oti6858_read_bulk_callback(struct urb *urb)
                 tty_flip_buffer_push(tty);
         }
 
-        // schedule the interrupt urb if we are still open */
+        /* schedule the interrupt urb if we are still open */
         if (port->port.count != 0) {
                 port->interrupt_in_urb->dev = port->serial->dev;
                 result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC);
@@ -1055,7 +1060,7 @@ static void oti6858_write_bulk_callback(struct urb *urb)
 
         priv->flags.write_urb_in_use = 0;
 
-        // schedule the interrupt urb if we are still open */
+        /* schedule the interrupt urb if we are still open */
         port->interrupt_in_urb->dev = port->serial->dev;
         dbg("%s(): submitting interrupt urb", __func__);
         result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC);
@@ -1130,7 +1135,7 @@ static unsigned int oti6858_buf_data_avail(struct oti6858_buf *pb)
 {
         if (pb == NULL)
                 return 0;
-        return ((pb->buf_size + pb->buf_put - pb->buf_get) % pb->buf_size);
+        return (pb->buf_size + pb->buf_put - pb->buf_get) % pb->buf_size;
 }
 
 /*
@@ -1143,7 +1148,7 @@ static unsigned int oti6858_buf_space_avail(struct oti6858_buf *pb)
 {
         if (pb == NULL)
                 return 0;
-        return ((pb->buf_size + pb->buf_get - pb->buf_put - 1) % pb->buf_size);
+        return (pb->buf_size + pb->buf_get - pb->buf_put - 1) % pb->buf_size;
 }
 
 /*
@@ -1230,13 +1235,12 @@ static int __init oti6858_init(void)
 {
         int retval;
 
-        if ((retval = usb_serial_register(&oti6858_device)) == 0) {
-                if ((retval = usb_register(&oti6858_driver)) != 0)
+        retval = usb_serial_register(&oti6858_device);
+        if (retval == 0) {
+                retval = usb_register(&oti6858_driver);
+                if (retval)
                         usb_serial_deregister(&oti6858_device);
-                else
-                        return 0;
         }
-
         return retval;
 }