diff options
| -rw-r--r-- | arch/ia64/hp/sim/simserial.c | 50 |
1 files changed, 24 insertions, 26 deletions
diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c index 7b6e60e9167..a76a27ed3de 100644 --- a/arch/ia64/hp/sim/simserial.c +++ b/arch/ia64/hp/sim/simserial.c @@ -202,7 +202,8 @@ static int rs_put_char(struct tty_struct *tty, unsigned char ch) return 1; } -static void transmit_chars(struct serial_state *info, int *intr_done) +static void transmit_chars(struct tty_struct *tty, struct serial_state *info, + int *intr_done) { int count; unsigned long flags; @@ -220,10 +221,11 @@ static void transmit_chars(struct serial_state *info, int *intr_done) goto out; } - if (info->xmit.head == info->xmit.tail || info->tty->stopped || info->tty->hw_stopped) { + if (info->xmit.head == info->xmit.tail || tty->stopped || + tty->hw_stopped) { #ifdef SIMSERIAL_DEBUG printk("transmit_chars: head=%d, tail=%d, stopped=%d\n", - info->xmit.head, info->xmit.tail, info->tty->stopped); + info->xmit.head, info->xmit.tail, tty->stopped); #endif goto out; } @@ -261,7 +263,7 @@ static void rs_flush_chars(struct tty_struct *tty) !info->xmit.buf) return; - transmit_chars(info, NULL); + transmit_chars(tty, info, NULL); } @@ -295,7 +297,7 @@ static int rs_write(struct tty_struct * tty, */ if (CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE) && !tty->stopped && !tty->hw_stopped) { - transmit_chars(info, NULL); + transmit_chars(tty, info, NULL); } return ret; } @@ -340,7 +342,7 @@ static void rs_send_xchar(struct tty_struct *tty, char ch) * I guess we could call console->write() directly but * let's do that for now. */ - transmit_chars(info, NULL); + transmit_chars(tty, info, NULL); } } @@ -442,7 +444,7 @@ static void rs_set_termios(struct tty_struct *tty, struct ktermios *old_termios) * This routine will shutdown a serial port; interrupts are disabled, and * DTR is dropped if the hangup on close termio flag is on. */ -static void shutdown(struct serial_state *info) +static void shutdown(struct tty_struct *tty, struct serial_state *info) { unsigned long flags; @@ -464,7 +466,7 @@ static void shutdown(struct serial_state *info) info->xmit.buf = NULL; } - if (info->tty) set_bit(TTY_IO_ERROR, &info->tty->flags); + set_bit(TTY_IO_ERROR, &tty->flags); info->flags &= ~ASYNC_INITIALIZED; } @@ -528,7 +530,7 @@ static void rs_close(struct tty_struct *tty, struct file * filp) * Now we wait for the transmit buffer to clear; and we notify * the line discipline to only process XON/XOFF characters. */ - shutdown(info); + shutdown(tty, info); rs_flush_buffer(tty); tty_ldisc_flush(tty); info->tty = NULL; @@ -563,7 +565,7 @@ static void rs_hangup(struct tty_struct *tty) rs_flush_buffer(tty); if (info->flags & ASYNC_CLOSING) return; - shutdown(info); + shutdown(tty, info); info->count = 0; info->flags &= ~ASYNC_NORMAL_ACTIVE; @@ -572,7 +574,7 @@ static void rs_hangup(struct tty_struct *tty) } -static int startup(struct serial_state *state) +static int startup(struct tty_struct *tty, struct serial_state *state) { unsigned long flags; int retval=0; @@ -590,8 +592,7 @@ static int startup(struct serial_state *state) } if (!state->port || !state->type) { - if (state->tty) - set_bit(TTY_IO_ERROR, &state->tty->flags); + set_bit(TTY_IO_ERROR, &tty->flags); free_page(page); goto errout; } @@ -614,8 +615,7 @@ static int startup(struct serial_state *state) goto errout; } - if (state->tty) - clear_bit(TTY_IO_ERROR, &state->tty->flags); + clear_bit(TTY_IO_ERROR, &tty->flags); state->xmit.head = state->xmit.tail = 0; @@ -630,16 +630,14 @@ static int startup(struct serial_state *state) /* * Set up the tty->alt_speed kludge */ - if (state->tty) { - if ((state->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI) - state->tty->alt_speed = 57600; - if ((state->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI) - state->tty->alt_speed = 115200; - if ((state->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI) - state->tty->alt_speed = 230400; - if ((state->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP) - state->tty->alt_speed = 460800; - } + if ((state->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI) + tty->alt_speed = 57600; + if ((state->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI) + tty->alt_speed = 115200; + if ((state->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI) + tty->alt_speed = 230400; + if ((state->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP) + tty->alt_speed = 460800; state->flags |= ASYNC_INITIALIZED; local_irq_restore(flags); @@ -699,7 +697,7 @@ static int rs_open(struct tty_struct *tty, struct file * filp) /* * Start up serial port */ - retval = startup(info); + retval = startup(tty, info); if (retval) { return retval; } |