diff options
author | Jiri Slaby <jslaby@suse.cz> | 2012-04-02 13:54:35 +0200 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-09 21:02:43 +0200 |
commit | cea4b2ce4613feae878c0352b1d76f522faef511 (patch) | |
tree | 8e04065fc55bae2b52de326fba849f73005d424b /drivers/tty/serial/68328serial.c | |
parent | TTY: ipwireless, use tty from tty_port (diff) | |
download | linux-cea4b2ce4613feae878c0352b1d76f522faef511.tar.xz linux-cea4b2ce4613feae878c0352b1d76f522faef511.zip |
TTY: 68328serial, remove serial_state and friends
serial_state in 68328serial.h is a duplicated structure. One is
defined in linux/serial.h. So let us use that instead. And since the
serial flags are identical, use ones from there too.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Cc: linux-m68k@lists.linux-m68k.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/68328serial.c')
-rw-r--r-- | drivers/tty/serial/68328serial.c | 55 |
1 files changed, 22 insertions, 33 deletions
diff --git a/drivers/tty/serial/68328serial.c b/drivers/tty/serial/68328serial.c index 5ce782529d65..bf5f81113a0e 100644 --- a/drivers/tty/serial/68328serial.c +++ b/drivers/tty/serial/68328serial.c @@ -17,6 +17,7 @@ #include <asm/dbg.h> #include <linux/module.h> #include <linux/errno.h> +#include <linux/serial.h> #include <linux/signal.h> #include <linux/sched.h> #include <linux/timer.h> @@ -79,18 +80,6 @@ struct m68k_serial *m68k_consinfo = 0; struct tty_driver *serial_driver; -/* number of characters left in xmit buffer before we ask for more */ -#define WAKEUP_CHARS 256 - -/* Debugging... DEBUG_INTR is bad to use when one of the zs - * lines is your console ;( - */ -#undef SERIAL_DEBUG_INTR -#undef SERIAL_DEBUG_OPEN -#undef SERIAL_DEBUG_FLOW - -#define RS_ISR_PASS_LIMIT 256 - static void change_speed(struct m68k_serial *info); /* @@ -363,7 +352,7 @@ static int startup(struct m68k_serial * info) m68328_uart *uart = &uart_addr[info->line]; unsigned long flags; - if (info->flags & S_INITIALIZED) + if (info->flags & ASYNC_INITIALIZED) return 0; if (!info->xmit_buf) { @@ -404,7 +393,7 @@ static int startup(struct m68k_serial * info) change_speed(info); - info->flags |= S_INITIALIZED; + info->flags |= ASYNC_INITIALIZED; local_irq_restore(flags); return 0; } @@ -419,7 +408,7 @@ static void shutdown(struct m68k_serial * info) unsigned long flags; uart->ustcnt = 0; /* All off! */ - if (!(info->flags & S_INITIALIZED)) + if (!(info->flags & ASYNC_INITIALIZED)) return; local_irq_save(flags); @@ -432,7 +421,7 @@ static void shutdown(struct m68k_serial * info) if (info->tty) set_bit(TTY_IO_ERROR, &info->tty->flags); - info->flags &= ~S_INITIALIZED; + info->flags &= ~ASYNC_INITIALIZED; local_irq_restore(flags); } @@ -835,11 +824,11 @@ static int set_serial_info(struct m68k_serial * info, if ((new_serial.baud_base != info->baud_base) || (new_serial.type != info->type) || (new_serial.close_delay != info->close_delay) || - ((new_serial.flags & ~S_USR_MASK) != - (info->flags & ~S_USR_MASK))) + ((new_serial.flags & ~ASYNC_USR_MASK) != + (info->flags & ~ASYNC_USR_MASK))) return -EPERM; - info->flags = ((info->flags & ~S_USR_MASK) | - (new_serial.flags & S_USR_MASK)); + info->flags = ((info->flags & ~ASYNC_USR_MASK) | + (new_serial.flags & ASYNC_USR_MASK)); info->custom_divisor = new_serial.custom_divisor; goto check_and_exit; } @@ -853,8 +842,8 @@ static int set_serial_info(struct m68k_serial * info, */ info->baud_base = new_serial.baud_base; - info->flags = ((info->flags & ~S_FLAGS) | - (new_serial.flags & S_FLAGS)); + info->flags = ((info->flags & ~ASYNC_FLAGS) | + (new_serial.flags & ASYNC_FLAGS)); info->type = new_serial.type; info->close_delay = new_serial.close_delay; info->closing_wait = new_serial.closing_wait; @@ -1022,13 +1011,13 @@ static void rs_close(struct tty_struct *tty, struct file * filp) local_irq_restore(flags); return; } - info->flags |= S_CLOSING; + info->flags |= ASYNC_CLOSING; /* * Now we wait for the transmit buffer to clear; and we notify * the line discipline to only process XON/XOFF characters. */ tty->closing = 1; - if (info->closing_wait != S_CLOSING_WAIT_NONE) + if (info->closing_wait != ASYNC_CLOSING_WAIT_NONE) tty_wait_until_sent(tty, info->closing_wait); /* * At this point we stop accepting input. To do this, we @@ -1064,7 +1053,7 @@ static void rs_close(struct tty_struct *tty, struct file * filp) } wake_up_interruptible(&info->open_wait); } - info->flags &= ~(S_NORMAL_ACTIVE|S_CLOSING); + info->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING); wake_up_interruptible(&info->close_wait); local_irq_restore(flags); } @@ -1083,7 +1072,7 @@ void rs_hangup(struct tty_struct *tty) shutdown(info); info->event = 0; info->count = 0; - info->flags &= ~S_NORMAL_ACTIVE; + info->flags &= ~ASYNC_NORMAL_ACTIVE; info->tty = NULL; wake_up_interruptible(&info->open_wait); } @@ -1104,10 +1093,10 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, * If the device is in the middle of being closed, then block * until it's done, and then try again. */ - if (info->flags & S_CLOSING) { + if (info->flags & ASYNC_CLOSING) { interruptible_sleep_on(&info->close_wait); #ifdef SERIAL_DO_RESTART - if (info->flags & S_HUP_NOTIFY) + if (info->flags & ASYNC_HUP_NOTIFY) return -EAGAIN; else return -ERESTARTSYS; @@ -1122,7 +1111,7 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, */ if ((filp->f_flags & O_NONBLOCK) || (tty->flags & (1 << TTY_IO_ERROR))) { - info->flags |= S_NORMAL_ACTIVE; + info->flags |= ASYNC_NORMAL_ACTIVE; return 0; } @@ -1147,9 +1136,9 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, local_irq_enable(); current->state = TASK_INTERRUPTIBLE; if (tty_hung_up_p(filp) || - !(info->flags & S_INITIALIZED)) { + !(info->flags & ASYNC_INITIALIZED)) { #ifdef SERIAL_DO_RESTART - if (info->flags & S_HUP_NOTIFY) + if (info->flags & ASYNC_HUP_NOTIFY) retval = -EAGAIN; else retval = -ERESTARTSYS; @@ -1158,7 +1147,7 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, #endif break; } - if (!(info->flags & S_CLOSING) && do_clocal) + if (!(info->flags & ASYNC_CLOSING) && do_clocal) break; if (signal_pending(current)) { retval = -ERESTARTSYS; @@ -1176,7 +1165,7 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, if (retval) return retval; - info->flags |= S_NORMAL_ACTIVE; + info->flags |= ASYNC_NORMAL_ACTIVE; return 0; } |