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| author | Jiri Slaby <jirislaby@gmail.com> | 2007-02-10 01:45:28 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-11 10:51:30 -0800 |
| commit | ba196df3d6432c5c20429e8e447c5db7abedb8f3 (patch) | |
| tree | a5e51a205ee1c7a8f6feb21de329640002fe4505 /drivers/char/moxa.c | |
| parent | aa7e5221fb47badbea618cc62704d6e4a4bcce15 (diff) | |
| download | linux-3.10-ba196df3d6432c5c20429e8e447c5db7abedb8f3.tar.gz linux-3.10-ba196df3d6432c5c20429e8e447c5db7abedb8f3.tar.bz2 linux-3.10-ba196df3d6432c5c20429e8e447c5db7abedb8f3.zip | |
[PATCH] Char: moxa, remove hangup bottomhalf
Call tty_hangup directly, we do not need a bottomhalf for this.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char/moxa.c')
| -rw-r--r-- | drivers/char/moxa.c | 25 |
1 files changed, 3 insertions, 22 deletions
diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c index 84797a090a9..ef2558f5a3f 100644 --- a/drivers/char/moxa.c +++ b/drivers/char/moxa.c @@ -159,7 +159,6 @@ struct moxa_str { int cflag; wait_queue_head_t open_wait; wait_queue_head_t close_wait; - struct work_struct tqueue; }; struct mxser_mstatus { @@ -178,9 +177,6 @@ static struct mxser_mstatus GMStatus[MAX_PORTS]; #define EMPTYWAIT 0x4 #define THROTTLE 0x8 -/* event */ -#define MOXA_EVENT_HANGUP 1 - #define SERIAL_DO_RESTART @@ -213,7 +209,6 @@ module_param(verbose, bool, 0644); /* * static functions: */ -static void do_moxa_softint(struct work_struct *); static int moxa_open(struct tty_struct *, struct file *); static void moxa_close(struct tty_struct *, struct file *); static int moxa_write(struct tty_struct *, const unsigned char *, int); @@ -354,7 +349,6 @@ static int __init moxa_init(void) for (i = 0, ch = moxaChannels; i < MAX_PORTS; i++, ch++) { ch->type = PORT_16550A; ch->port = i; - INIT_WORK(&ch->tqueue, do_moxa_softint); ch->close_delay = 5 * HZ / 10; ch->closing_wait = 30 * HZ; ch->cflag = B9600 | CS8 | CREAD | CLOCAL | HUPCL; @@ -482,20 +476,6 @@ static void __exit moxa_exit(void) module_init(moxa_init); module_exit(moxa_exit); -static void do_moxa_softint(struct work_struct *work) -{ - struct moxa_str *ch = container_of(work, struct moxa_str, tqueue); - struct tty_struct *tty; - - if (ch && (tty = ch->tty)) { - if (test_and_clear_bit(MOXA_EVENT_HANGUP, &ch->event)) { - tty_hangup(tty); /* FIXME: module removal race here - AKPM */ - wake_up_interruptible(&ch->open_wait); - ch->asyncflags &= ~ASYNC_NORMAL_ACTIVE; - } - } -} - static int moxa_open(struct tty_struct *tty, struct file *filp) { struct moxa_str *ch; @@ -908,8 +888,9 @@ static void moxa_poll(unsigned long ignored) if (MoxaPortDCDON(ch->port)) wake_up_interruptible(&ch->open_wait); else { - set_bit(MOXA_EVENT_HANGUP, &ch->event); - schedule_work(&ch->tqueue); + tty_hangup(tp); + wake_up_interruptible(&ch->open_wait); + ch->asyncflags &= ~ASYNC_NORMAL_ACTIVE; } } } |