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| author | Peter Hurley <peter@hurleysoftware.com> | 2013-06-15 10:21:25 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-07-23 17:10:17 -0700 |
| commit | 554117bdc8c245249f364ddcdbd65ae5701a5ead (patch) | |
| tree | e693ee729ced818cef938548fa3b3b503a61bf1b /drivers/tty/n_tty.c | |
| parent | d2f8d7abd1e7ac04a0b42df36b53fef00d5d73aa (diff) | |
| download | blackbird-op-linux-554117bdc8c245249f364ddcdbd65ae5701a5ead.tar.gz blackbird-op-linux-554117bdc8c245249f364ddcdbd65ae5701a5ead.zip | |
n_tty: Factor raw mode receive_buf() into separate fn
Convert to modal receive_buf() processing; factor raw mode
per-char i/o into n_tty_receive_buf_raw().
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/n_tty.c')
| -rw-r--r-- | drivers/tty/n_tty.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index 6aa90332dd3e..900ebbe0a7ab 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -1259,11 +1259,6 @@ static inline void n_tty_receive_char(struct tty_struct *tty, unsigned char c) struct n_tty_data *ldata = tty->disc_data; int parmrk; - if (ldata->raw) { - put_tty_queue(c, ldata); - return; - } - if (I_ISTRIP(tty)) c &= 0x7f; if (I_IUCLC(tty) && L_IEXTEN(tty)) @@ -1530,6 +1525,23 @@ n_tty_receive_buf_real_raw(struct tty_struct *tty, const unsigned char *cp, ldata->read_head += n; } +static void +n_tty_receive_buf_raw(struct tty_struct *tty, const unsigned char *cp, + char *fp, int count) +{ + struct n_tty_data *ldata = tty->disc_data; + char flag = TTY_NORMAL; + + while (count--) { + if (fp) + flag = *fp++; + if (likely(flag == TTY_NORMAL)) + put_tty_queue(*cp++, ldata); + else + n_tty_receive_char_flagged(tty, *cp++, flag); + } +} + static void __receive_buf(struct tty_struct *tty, const unsigned char *cp, char *fp, int count) { @@ -1537,6 +1549,8 @@ static void __receive_buf(struct tty_struct *tty, const unsigned char *cp, if (ldata->real_raw) n_tty_receive_buf_real_raw(tty, cp, fp, count); + else if (ldata->raw) + n_tty_receive_buf_raw(tty, cp, fp, count); else { char flag = TTY_NORMAL; |
