Messages in this thread Patch in this message | | | From | Peter Hurley <> | Subject | [PATCH 09/20] n_tty: Factor raw mode receive_buf() into separate fn | Date | Mon, 15 Apr 2013 11:32:40 -0400 |
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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> --- drivers/tty/n_tty.c | 24 +++++++++++++++++++----- 1 file changed, 19 insertions(+), 5 deletions(-)
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index dce77cb..cf99660 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; -- 1.8.1.2
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