diff options
Diffstat (limited to 'drivers/char/epca.c')
| -rw-r--r-- | drivers/char/epca.c | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/drivers/char/epca.c b/drivers/char/epca.c index 407708a001e..765c5c108bf 100644 --- a/drivers/char/epca.c +++ b/drivers/char/epca.c @@ -1786,9 +1786,7 @@ static void doevent(int crd) if (tty) { /* Begin if valid tty */ if (event & BREAK_IND) { /* Begin if BREAK_IND */ /* A break has been indicated */ - tty->flip.count++; - *tty->flip.flag_buf_ptr++ = TTY_BREAK; - *tty->flip.char_buf_ptr++ = 0; + tty_insert_flip_char(tty, 0, TTY_BREAK); tty_schedule_flip(tty); } else if (event & LOWTX_IND) { /* Begin LOWTX_IND */ if (ch->statusflags & LOWWAIT) @@ -2124,7 +2122,6 @@ static void receive_data(struct channel *ch) int dataToRead, wrapgap, bytesAvailable; unsigned int tail, head; unsigned int wrapmask; - int rc; /* --------------------------------------------------------------- This routine is called by doint when a receive data event @@ -2162,16 +2159,15 @@ static void receive_data(struct channel *ch) return; } - if (tty->flip.count == TTY_FLIPBUF_SIZE) + if (tty_buffer_request_room(tty, bytesAvailable + 1) == 0) return; if (readb(&bc->orun)) { writeb(0, &bc->orun); printk(KERN_WARNING "epca; overrun! DigiBoard device %s\n",tty->name); + tty_insert_flip_char(tty, 0, TTY_OVERRUN); } rxwinon(ch); - rptr = tty->flip.char_buf_ptr; - rc = tty->flip.count; while (bytesAvailable > 0) { /* Begin while there is data on the card */ wrapgap = (head >= tail) ? head - tail : ch->rxbufsize - tail; /* --------------------------------------------------------------- @@ -2183,8 +2179,7 @@ static void receive_data(struct channel *ch) /* -------------------------------------------------------------- Make sure we don't overflow the buffer ----------------------------------------------------------------- */ - if ((rc + dataToRead) > TTY_FLIPBUF_SIZE) - dataToRead = TTY_FLIPBUF_SIZE - rc; + dataToRead = tty_prepare_flip_string(tty, &rptr, dataToRead); if (dataToRead == 0) break; /* --------------------------------------------------------------- @@ -2192,13 +2187,9 @@ static void receive_data(struct channel *ch) for translation if necessary. ------------------------------------------------------------------ */ memcpy_fromio(rptr, ch->rxptr + tail, dataToRead); - rc += dataToRead; - rptr += dataToRead; tail = (tail + dataToRead) & wrapmask; bytesAvailable -= dataToRead; } /* End while there is data on the card */ - tty->flip.count = rc; - tty->flip.char_buf_ptr = rptr; globalwinon(ch); writew(tail, &bc->rout); /* Must be called with global data */ |