This commit was generated by cvs2svn to compensate for changes in r655,

[linux-2.6.git] / drivers / serial / 68328serial.c

diff --git a/drivers/serial/68328serial.c b/drivers/serial/68328serial.c
index 5c499be..db92a0c 100644 (file)
--- a/drivers/serial/68328serial.c
+++ b/drivers/serial/68328serial.c
@@ -34,12 +34,13 @@
 #include <linux/keyboard.h>
 #include <linux/init.h>
 #include <linux/pm.h>
+#include <linux/bitops.h>
+#include <linux/delay.h>
 
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/system.h>
 #include <asm/segment.h>
-#include <asm/bitops.h>
 #include <asm/delay.h>
 #include <asm/uaccess.h>
 
@@ -435,10 +436,7 @@ static void do_softint(void *private)
                return;
 #if 0
        if (clear_bit(RS_EVENT_WRITE_WAKEUP, &info->event)) {
-               if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
-                   tty->ldisc.write_wakeup)
-                       (tty->ldisc.write_wakeup)(tty);
-               wake_up_interruptible(&tty->write_wait);
+               tty_wakeup(tty);
        }
 #endif   
 }
@@ -760,7 +758,7 @@ static void rs_flush_chars(struct tty_struct *tty)
 
 extern void console_printn(const char * b, int count);
 
-static int rs_write(struct tty_struct * tty, int from_user,
+static int rs_write(struct tty_struct * tty,
                    const unsigned char *buf, int count)
 {
        int     c, total = 0;
@@ -782,15 +780,7 @@ static int rs_write(struct tty_struct * tty, int from_user,
                if (c <= 0)
                        break;
 
-               if (from_user) {
-                       down(&tmp_buf_sem);
-                       copy_from_user(tmp_buf, buf, c);
-                       c = min_t(int, c, min(SERIAL_XMIT_SIZE - info->xmit_cnt - 1,
-                                      SERIAL_XMIT_SIZE - info->xmit_head));
-                       memcpy(info->xmit_buf + info->xmit_head, tmp_buf, c);
-                       up(&tmp_buf_sem);
-               } else
-                       memcpy(info->xmit_buf + info->xmit_head, buf, c);
+               memcpy(info->xmit_buf + info->xmit_head, buf, c);
                info->xmit_head = (info->xmit_head + c) & (SERIAL_XMIT_SIZE-1);
                info->xmit_cnt += c;
                restore_flags(flags);
@@ -858,10 +848,7 @@ static void rs_flush_buffer(struct tty_struct *tty)
        cli();
        info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
        sti();
-       wake_up_interruptible(&tty->write_wait);
-       if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
-           tty->ldisc.write_wakeup)
-               (tty->ldisc.write_wakeup)(tty);
+       tty_wakeup(tty);
 }
 
 /*
@@ -1011,7 +998,7 @@ static void send_break(    struct m68k_serial * info, int duration)
         unsigned long flags;
         if (!info->port)
                 return;
-        current->state = TASK_INTERRUPTIBLE;
+        set_current_state(TASK_INTERRUPTIBLE);
         save_flags(flags);
         cli();
 #ifdef USE_INTS        
@@ -1068,28 +1055,23 @@ static int rs_ioctl(struct tty_struct *tty, struct file * file,
                                 (arg ? CLOCAL : 0));
                        return 0;
                case TIOCGSERIAL:
-                       error = verify_area(VERIFY_WRITE, (void *) arg,
-                                               sizeof(struct serial_struct));
-                       if (error)
-                               return error;
-                       return get_serial_info(info,
+                       if (access_ok(VERIFY_WRITE, (void *) arg,
+                                               sizeof(struct serial_struct)))
+                               return get_serial_info(info,
                                               (struct serial_struct *) arg);
+                       return -EFAULT;
                case TIOCSSERIAL:
                        return set_serial_info(info,
                                               (struct serial_struct *) arg);
                case TIOCSERGETLSR: /* Get line status register */
-                       error = verify_area(VERIFY_WRITE, (void *) arg,
-                               sizeof(unsigned int));
-                       if (error)
-                               return error;
-                       else
-                           return get_lsr_info(info, (unsigned int *) arg);
-
+                       if (access_ok(VERIFY_WRITE, (void *) arg,
+                                               sizeof(unsigned int));
+                               return get_lsr_info(info, (unsigned int *) arg);
+                       return -EFAULT;
                case TIOCSERGSTRUCT:
-                       error = verify_area(VERIFY_WRITE, (void *) arg,
-                                               sizeof(struct m68k_serial));
-                       if (error)
-                               return error;
+                       if (!access_ok(VERIFY_WRITE, (void *) arg,
+                                               sizeof(struct m68k_serial)))
+                               return -EFAULT;
                        copy_to_user((struct m68k_serial *) arg,
                                    info, sizeof(struct m68k_serial));
                        return 0;
@@ -1185,11 +1167,13 @@ static void rs_close(struct tty_struct *tty, struct file * filp)
        shutdown(info);
        if (tty->driver->flush_buffer)
                tty->driver->flush_buffer(tty);
-       if (tty->ldisc.flush_buffer)
-               tty->ldisc.flush_buffer(tty);
+               
+       tty_ldisc_flush(tty);
        tty->closing = 0;
        info->event = 0;
        info->tty = 0;
+#warning "This is not and has never been valid so fix it"      
+#if 0
        if (tty->ldisc.num != ldiscs[N_TTY].num) {
                if (tty->ldisc.close)
                        (tty->ldisc.close)(tty);
@@ -1198,10 +1182,10 @@ static void rs_close(struct tty_struct *tty, struct file * filp)
                if (tty->ldisc.open)
                        (tty->ldisc.open)(tty);
        }
+#endif 
        if (info->blocked_open) {
                if (info->close_delay) {
-                       current->state = TASK_INTERRUPTIBLE;
-                       schedule_timeout(info->close_delay);
+                       msleep_interruptible(jiffies_to_msecs(info->close_delay));
                }
                wake_up_interruptible(&info->open_wait);
        }