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author | Alan Cox <alan@lxorguk.ukuu.org.uk> | 2008-04-30 00:54:05 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-30 08:29:46 -0700 |
commit | bbbbb96f5ea84971545ecae5a9ec50387cd9c6a3 (patch) | |
tree | 91ccad37c7f12a264e49c204989f214c26b87b95 /drivers/char/riscom8.c | |
parent | d7e752e2757fba49178f4b1af4778ca64d305cbb (diff) | |
download | linux-bbbbb96f5ea84971545ecae5a9ec50387cd9c6a3.tar.bz2 |
riscom/rocket: switch to int put_char method
Signed-off-by: Alan Cox <alan@redhat.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/riscom8.c')
-rw-r--r-- | drivers/char/riscom8.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c index a82c2a2d5e6c..221b5a292076 100644 --- a/drivers/char/riscom8.c +++ b/drivers/char/riscom8.c @@ -1161,16 +1161,17 @@ static int rc_write(struct tty_struct * tty, return total; } -static void rc_put_char(struct tty_struct * tty, unsigned char ch) +static int rc_put_char(struct tty_struct * tty, unsigned char ch) { struct riscom_port *port = (struct riscom_port *)tty->driver_data; unsigned long flags; + int ret = 0; if (rc_paranoia_check(port, tty->name, "rc_put_char")) - return; + return 0; if (!tty || !port->xmit_buf) - return; + return 0; spin_lock_irqsave(&riscom_lock, flags); @@ -1180,9 +1181,11 @@ static void rc_put_char(struct tty_struct * tty, unsigned char ch) port->xmit_buf[port->xmit_head++] = ch; port->xmit_head &= SERIAL_XMIT_SIZE - 1; port->xmit_cnt++; + ret = 1; out: spin_unlock_irqrestore(&riscom_lock, flags); + return ret; } static void rc_flush_chars(struct tty_struct * tty) |