TTY: amiserial/simserial, use close delays from tty_port
authorJiri Slaby <jslaby@suse.cz>
Mon, 5 Mar 2012 13:52:25 +0000 (14:52 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 8 Mar 2012 20:30:50 +0000 (12:30 -0800)
Note that previously simserial set the delay to 0. So we preserve
that. BUT, is it correct?

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/ia64/hp/sim/simserial.c
drivers/tty/amiserial.c
include/linux/serialP.h

index 614c091b203f527958c39c5db63ea075a0d09f4f..fb324b345e886ff2203e8227af70b106fb265c9c 100644 (file)
@@ -535,8 +535,8 @@ static void rs_close(struct tty_struct *tty, struct file * filp)
        tty_ldisc_flush(tty);
        info->tport.tty = NULL;
        if (info->tport.blocked_open) {
-               if (info->close_delay)
-                       schedule_timeout_interruptible(info->close_delay);
+               if (info->tport.close_delay)
+                       schedule_timeout_interruptible(info->tport.close_delay);
                wake_up_interruptible(&info->tport.open_wait);
        }
        info->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING);
@@ -829,6 +829,7 @@ simrs_init (void)
         */
        for (i = 0, state = rs_table; i < NR_PORTS; i++,state++) {
                tty_port_init(&state->tport);
+               state->tport.close_delay = 0; /* XXX really 0? */
 
                if (state->type == PORT_UNKNOWN) continue;
 
index 71d3331d6e84bac834e158df0d75ea67adc34d76..06e3a0990c8bd7690d5e6e428f0adbabda32391b 100644 (file)
@@ -1022,8 +1022,8 @@ static int get_serial_info(struct serial_state *state,
        tmp.flags = state->flags;
        tmp.xmit_fifo_size = state->xmit_fifo_size;
        tmp.baud_base = state->baud_base;
-       tmp.close_delay = state->close_delay;
-       tmp.closing_wait = state->closing_wait;
+       tmp.close_delay = state->tport.close_delay;
+       tmp.closing_wait = state->tport.closing_wait;
        tmp.custom_divisor = state->custom_divisor;
        tty_unlock();
        if (copy_to_user(retinfo,&tmp,sizeof(*retinfo)))
@@ -1052,7 +1052,7 @@ static int set_serial_info(struct tty_struct *tty, struct serial_state *state,
   
        if (!serial_isroot()) {
                if ((new_serial.baud_base != state->baud_base) ||
-                   (new_serial.close_delay != state->close_delay) ||
+                   (new_serial.close_delay != state->tport.close_delay) ||
                    (new_serial.xmit_fifo_size != state->xmit_fifo_size) ||
                    ((new_serial.flags & ~ASYNC_USR_MASK) !=
                     (state->flags & ~ASYNC_USR_MASK)))
@@ -1077,8 +1077,8 @@ static int set_serial_info(struct tty_struct *tty, struct serial_state *state,
        state->flags = ((state->flags & ~ASYNC_FLAGS) |
                        (new_serial.flags & ASYNC_FLAGS));
        state->custom_divisor = new_serial.custom_divisor;
-       state->close_delay = new_serial.close_delay * HZ/100;
-       state->closing_wait = new_serial.closing_wait * HZ/100;
+       state->tport.close_delay = new_serial.close_delay * HZ/100;
+       state->tport.closing_wait = new_serial.closing_wait * HZ/100;
        tty->low_latency = (state->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
 
 check_and_exit:
@@ -1413,8 +1413,8 @@ static void rs_close(struct tty_struct *tty, struct file * filp)
         * the line discipline to only process XON/XOFF characters.
         */
        tty->closing = 1;
-       if (state->closing_wait != ASYNC_CLOSING_WAIT_NONE)
-               tty_wait_until_sent(tty, state->closing_wait);
+       if (state->tport.closing_wait != ASYNC_CLOSING_WAIT_NONE)
+               tty_wait_until_sent(tty, state->tport.closing_wait);
        /*
         * At this point we stop accepting input.  To do this, we
         * disable the receive line status interrupts, and tell the
@@ -1444,8 +1444,8 @@ static void rs_close(struct tty_struct *tty, struct file * filp)
        tty->closing = 0;
        state->tport.tty = NULL;
        if (state->tport.blocked_open) {
-               if (state->close_delay) {
-                       msleep_interruptible(jiffies_to_msecs(state->close_delay));
+               if (state->tport.close_delay) {
+                       msleep_interruptible(jiffies_to_msecs(state->tport.close_delay));
                }
                wake_up_interruptible(&state->tport.open_wait);
        }
@@ -1863,8 +1863,6 @@ static int __init amiga_serial_probe(struct platform_device *pdev)
        state->port = (int)&custom.serdatr; /* Just to give it a value */
        state->line = 0;
        state->custom_divisor = 0;
-       state->close_delay = 5*HZ/10;
-       state->closing_wait = 30*HZ;
        state->icount.cts = state->icount.dsr = 
          state->icount.rng = state->icount.dcd = 0;
        state->icount.rx = state->icount.tx = 0;
index 32d45b869cbc36094d4bdf1b9ccdc1395684c20d..997edd008b929ffe75d1c4e905d91ce85afa0324 100644 (file)
@@ -36,8 +36,6 @@ struct serial_state {
        int     xmit_fifo_size;
        int     custom_divisor;
        int     count;
-       unsigned short  close_delay;
-       unsigned short  closing_wait; /* time to wait before closing */
        struct async_icount     icount; 
        struct tty_port tport;