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Char: istallion, remove hangup bottomhalf 

tty_hangup schedules a work for hangup itself, no need to do it in the driver.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jiri Slaby 2008-02-07 00:16:38 -08:00 committed by Linus Torvalds
parent d2e7a4b66d
commit cfccaeea62
2 changed files with 1 additions and 23 deletions
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23
drivers/char/istallion.c
View File

@ -627,7 +627,6 @@ static int stli_initopen(struct stlibrd *brdp, struct stliport *portp);
static int stli_rawopen(struct stlibrd *brdp, struct stliport *portp, unsigned long arg, int wait);
static int stli_rawclose(struct stlibrd *brdp, struct stliport *portp, unsigned long arg, int wait);
static int stli_waitcarrier(struct stlibrd *brdp, struct stliport *portp, struct file *filp);
static void stli_dohangup(struct work_struct *);
static int stli_setport(struct stliport *portp);
static int stli_cmdwait(struct stlibrd *brdp, struct stliport *portp, unsigned long cmd, void *arg, int size, int copyback);
static void stli_sendcmd(struct stlibrd *brdp, struct stliport *portp, unsigned long cmd, void *arg, int size, int copyback);
@ -1823,25 +1822,6 @@ static void stli_start(struct tty_struct *tty)
/*****************************************************************************/
/*
* Scheduler called hang up routine. This is called from the scheduler,
* not direct from the driver "poll" routine. We can't call it there
* since the real local hangup code will enable/disable the board and
* other things that we can't do while handling the poll. Much easier
* to deal with it some time later (don't really care when, hangups
* aren't that time critical).
*/
static void stli_dohangup(struct work_struct *ugly_api)
{
struct stliport *portp = container_of(ugly_api, struct stliport, tqhangup);
if (portp->tty != NULL) {
tty_hangup(portp->tty);
}
}
/*****************************************************************************/
/*
* Hangup this port. This is pretty much like closing the port, only
* a little more brutal. No waiting for data to drain. Shutdown the
@ -2405,7 +2385,7 @@ static int stli_hostcmd(struct stlibrd *brdp, struct stliport *portp)
((portp->sigs & TIOCM_CD) == 0)) {
if (portp->flags & ASYNC_CHECK_CD) {
if (tty)
schedule_work(&portp->tqhangup);
tty_hangup(tty);
}
}
}
@ -2733,7 +2713,6 @@ static int stli_initports(struct stlibrd *brdp)
portp->baud_base = STL_BAUDBASE;
portp->close_delay = STL_CLOSEDELAY;
portp->closing_wait = 30 * HZ;
INIT_WORK(&portp->tqhangup, stli_dohangup);
init_waitqueue_head(&portp->open_wait);
init_waitqueue_head(&portp->close_wait);
init_waitqueue_head(&portp->raw_wait);

1
include/linux/istallion.h
View File

@ -71,7 +71,6 @@ struct stliport {
wait_queue_head_t open_wait;
wait_queue_head_t close_wait;
wait_queue_head_t raw_wait;
struct work_struct tqhangup;
struct asysigs asig;
unsigned long addr;
unsigned long rxoffset;