diff options
Diffstat (limited to 'drivers/staging/speakup/spk_ttyio.c')
| -rw-r--r-- | drivers/staging/speakup/spk_ttyio.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/staging/speakup/spk_ttyio.c b/drivers/staging/speakup/spk_ttyio.c index 0a5436706e74..442f191a017e 100644 --- a/drivers/staging/speakup/spk_ttyio.c +++ b/drivers/staging/speakup/spk_ttyio.c @@ -147,11 +147,12 @@ static inline void get_termios(struct tty_struct *tty, struct ktermios *out_term up_read(&tty->termios_rwsem); } -static int spk_ttyio_initialise_ldisc(int ser) +static int spk_ttyio_initialise_ldisc(struct spk_synth *synth) { int ret = 0; struct tty_struct *tty; struct ktermios tmp_termios; + dev_t dev; ret = tty_register_ldisc(N_SPEAKUP, &spk_ttyio_ldisc_ops); if (ret) { @@ -159,13 +160,11 @@ static int spk_ttyio_initialise_ldisc(int ser) return ret; } - if (ser < 0 || ser > (255 - 64)) { - pr_err("speakup: Invalid ser param. Must be between 0 and 191 inclusive.\n"); - return -EINVAL; - } + ret = get_dev_to_use(synth, &dev); + if (ret) + return ret; - /* TODO: support more than ttyS* */ - tty = tty_open_by_driver(MKDEV(4, (ser + 64)), NULL, NULL); + tty = tty_open_by_driver(dev, NULL, NULL); if (IS_ERR(tty)) return PTR_ERR(tty); @@ -277,7 +276,7 @@ static void spk_ttyio_flush_buffer(void) int spk_ttyio_synth_probe(struct spk_synth *synth) { - int rv = spk_ttyio_initialise_ldisc(synth->ser); + int rv = spk_ttyio_initialise_ldisc(synth); if (rv) return rv; |