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| author | Tilman Schmidt <tilman@imap.cc> | 2008-11-29 21:38:04 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-11-29 21:38:04 -0800 |
| commit | af4218c3a699542adc9b76c8972828a726e7b0dc (patch) | |
| tree | 393cbcc6df5b6bf8ffd3614ff18ac5fff80db483 /drivers/isdn | |
| parent | c5419e6f054c877339f754e02c3b1dafd88cd96c (diff) | |
| download | linux-3.10-af4218c3a699542adc9b76c8972828a726e7b0dc.tar.gz linux-3.10-af4218c3a699542adc9b76c8972828a726e7b0dc.tar.bz2 linux-3.10-af4218c3a699542adc9b76c8972828a726e7b0dc.zip | |
gigaset: remove unnecessary poll method
The N_GIGASET_M101 line discipline implemented by the ser_gigaset
driver does not transfer any data from/to userspace through the
tty interface. Therefore a poll method is not needed.
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/isdn')
| -rw-r--r-- | drivers/isdn/gigaset/ser-gigaset.c | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c index 07052ed2a0c..0b8c8f2b433 100644 --- a/drivers/isdn/gigaset/ser-gigaset.c +++ b/drivers/isdn/gigaset/ser-gigaset.c @@ -16,7 +16,6 @@ #include <linux/moduleparam.h> #include <linux/platform_device.h> #include <linux/tty.h> -#include <linux/poll.h> #include <linux/completion.h> /* Version Information */ @@ -571,7 +570,6 @@ gigaset_tty_close(struct tty_struct *tty) } /* prevent other callers from entering ldisc methods */ - /* FIXME: should use the tty state flags */ tty->disc_data = NULL; if (!cs->hw.ser) @@ -673,18 +671,6 @@ gigaset_tty_ioctl(struct tty_struct *tty, struct file *file, } /* - * Poll on the tty. - * Unused, always return zero. - * - * FIXME: should probably return an exception - especially on hangup - */ -static unsigned int -gigaset_tty_poll(struct tty_struct *tty, struct file *file, poll_table *wait) -{ - return 0; -} - -/* * Called by the tty driver when a block of data has been received. * Will not be re-entered while running but other ldisc functions * may be called in parallel. @@ -773,7 +759,6 @@ static struct tty_ldisc_ops gigaset_ldisc = { .read = gigaset_tty_read, .write = gigaset_tty_write, .ioctl = gigaset_tty_ioctl, - .poll = gigaset_tty_poll, .receive_buf = gigaset_tty_receive, .write_wakeup = gigaset_tty_wakeup, }; |