3 files changed, 2 insertions, 50 deletions

diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c
index 9890b58960a7..0d324e85379e 100644
--- a/arch/ia64/hp/sim/simserial.c
+++ b/arch/ia64/hp/sim/simserial.c
@@ -572,7 +572,6 @@ static void rs_close(struct tty_struct *tty, struct file * filp)
         shutdown(info);
         rs_flush_buffer(tty);
         tty_ldisc_flush(tty);
-        info->event = 0;
         info->tty = NULL;
         if (info->blocked_open) {
                 if (info->close_delay)
@@ -610,7 +609,6 @@ static void rs_hangup(struct tty_struct *tty)
                 return;
         shutdown(info);
 
-        info->event = 0;
         state->count = 0;
         info->flags &= ~ASYNC_NORMAL_ACTIVE;
         info->tty = NULL;
diff --git a/drivers/tty/amiserial.c b/drivers/tty/amiserial.c
index c6d8913dd6f6..d5fac8626988 100644
--- a/drivers/tty/amiserial.c
+++ b/drivers/tty/amiserial.c
@@ -231,17 +231,6 @@ static void rs_start(struct tty_struct *tty)
  * -----------------------------------------------------------------------
  */
 
-/*
- * This routine is used by the interrupt handler to schedule
- * processing in the software interrupt portion of the driver.
- */
-static void rs_sched_event(struct async_struct *info,
-                           int event)
-{
-        info->event |= 1 << event;
-        tasklet_schedule(&info->tlet);
-}
-
 static void receive_chars(struct async_struct *info)
 {
         int status;
@@ -359,7 +348,7 @@ static void transmit_chars(struct async_struct *info)
         if (CIRC_CNT(info->xmit.head,
                      info->xmit.tail,
                      SERIAL_XMIT_SIZE) < WAKEUP_CHARS)
-                rs_sched_event(info, RS_EVENT_WRITE_WAKEUP);
+                tty_wakeup(info->tty);
 
 #ifdef SERIAL_DEBUG_INTR
         printk("THRE...");
@@ -427,7 +416,7 @@ static void check_modem_status(struct async_struct *info)
                                 /* set a pending Tx Interrupt, transmitter should restart now */
                                 custom.intreq = IF_SETCLR | IF_TBE;
                                 mb();
-                                rs_sched_event(info, RS_EVENT_WRITE_WAKEUP);
+                                tty_wakeup(info->tty);
                                 return;
                         }
                 } else {
@@ -507,29 +496,6 @@ static irqreturn_t ser_tx_int(int irq, void *dev_id)
  */
 
 /*
- * This routine is used to handle the "bottom half" processing for the
- * serial driver, known also the "software interrupt" processing.
- * This processing is done at the kernel interrupt level, after the
- * rs_interrupt() has returned, BUT WITH INTERRUPTS TURNED ON.  This
- * is where time-consuming activities which can not be done in the
- * interrupt driver proper are done; the interrupt driver schedules
- * them using rs_sched_event(), and they get done here.
- */
-
-static void do_softint(unsigned long private_)
-{
-        struct async_struct     *info = (struct async_struct *) private_;
-        struct tty_struct       *tty;
-
-        tty = info->tty;
-        if (!tty)
-                return;
-
-        if (test_and_clear_bit(RS_EVENT_WRITE_WAKEUP, &info->event))
-                tty_wakeup(tty);
-}
-
-/*
  * ---------------------------------------------------------------
  * Low level utility subroutines for the serial driver:  routines to
  * figure out the appropriate timeout for an interrupt chain, routines
@@ -1506,7 +1472,6 @@ static void rs_close(struct tty_struct *tty, struct file * filp)
                 
         tty_ldisc_flush(tty);
         tty->closing = 0;
-        info->event = 0;
         info->tty = NULL;
         if (info->blocked_open) {
                 if (info->close_delay) {
@@ -1597,7 +1562,6 @@ static void rs_hangup(struct tty_struct *tty)
 
         rs_flush_buffer(tty);
         shutdown(info);
-        info->event = 0;
         state->count = 0;
         info->flags &= ~ASYNC_NORMAL_ACTIVE;
         info->tty = NULL;
@@ -1744,7 +1708,6 @@ static int get_async_struct(int line, struct async_struct **ret_info)
         info->flags = sstate->flags;
         info->xmit_fifo_size = sstate->xmit_fifo_size;
         info->line = line;
-        tasklet_init(&info->tlet, do_softint, (unsigned long)info);
         info->state = sstate;
         if (sstate->info) {
                 kfree(info);
@@ -2050,7 +2013,6 @@ static int __exit amiga_serial_remove(struct platform_device *pdev)
         struct async_struct *info = state->info;
 
         /* printk("Unloading %s: version %s\n", serial_name, serial_version); */
-        tasklet_kill(&info->tlet);
         if ((error = tty_unregister_driver(serial_driver)))
                 printk("SERIAL: failed to unregister serial driver (%d)\n",
                        error);
diff --git a/include/linux/serialP.h b/include/linux/serialP.h
index c1acdb2c8584..beaf39f819d6 100644
--- a/include/linux/serialP.h
+++ b/include/linux/serialP.h
@@ -56,11 +56,9 @@ struct async_struct {
         unsigned short          closing_wait;
         int                     IER;    /* Interrupt Enable Register */
         int                     MCR;    /* Modem control register */
-        unsigned long           event;
         int                     line;
         int                     blocked_open; /* # of blocked opens */
         struct circ_buf         xmit;
-        struct tasklet_struct   tlet;
         wait_queue_head_t       open_wait;
         wait_queue_head_t       close_wait;
         wait_queue_head_t       delta_msr_wait;
@@ -68,10 +66,4 @@ struct async_struct {
         struct async_struct     *prev_port;
 };
 
-/*
- * Events are used to schedule things to happen at timer-interrupt
- * time, instead of at rs interrupt time.
- */
-#define RS_EVENT_WRITE_WAKEUP   0
-
 #endif /* _LINUX_SERIAL_H */