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| author | Alan Cox <alan@lxorguk.ukuu.org.uk> | 2008-04-30 09:54:07 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-30 17:29:46 +0200 |
| commit | 55da77899c1472d83452c914fa179d00ea96df65 (patch) | |
| tree | 2ae215ad812ceb8f453e49ab708fd232795817ff /drivers/char/synclink_gt.c | |
| parent | specialix: Switch to int put_char method (diff) | |
| download | linux-55da77899c1472d83452c914fa179d00ea96df65.tar.xz linux-55da77899c1472d83452c914fa179d00ea96df65.zip | |
synclink series: switch to int put_char method
Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Paul Fulghum <paulkf@microgate.com>
Cc: 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/synclink_gt.c')
| -rw-r--r-- | drivers/char/synclink_gt.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c index 1a11717b1adc..430f5bc0ae30 100644 --- a/drivers/char/synclink_gt.c +++ b/drivers/char/synclink_gt.c @@ -151,7 +151,7 @@ static void hangup(struct tty_struct *tty); static void set_termios(struct tty_struct *tty, struct ktermios *old_termios); static int write(struct tty_struct *tty, const unsigned char *buf, int count); -static void put_char(struct tty_struct *tty, unsigned char ch); +static int put_char(struct tty_struct *tty, unsigned char ch); static void send_xchar(struct tty_struct *tty, char ch); static void wait_until_sent(struct tty_struct *tty, int timeout); static int write_room(struct tty_struct *tty); @@ -912,20 +912,24 @@ cleanup: return ret; } -static void put_char(struct tty_struct *tty, unsigned char ch) +static int put_char(struct tty_struct *tty, unsigned char ch) { struct slgt_info *info = tty->driver_data; unsigned long flags; + int ret; if (sanity_check(info, tty->name, "put_char")) - return; + return 0; DBGINFO(("%s put_char(%d)\n", info->device_name, ch)); if (!info->tx_buf) - return; + return 0; spin_lock_irqsave(&info->lock,flags); - if (!info->tx_active && (info->tx_count < info->max_frame_size)) + if (!info->tx_active && (info->tx_count < info->max_frame_size)) { info->tx_buf[info->tx_count++] = ch; + ret = 1; + } spin_unlock_irqrestore(&info->lock,flags); + return ret; } static void send_xchar(struct tty_struct *tty, char ch) |