[PATCH] TTY layer buffering revamp

[powerpc.git] / drivers / serial / mcfserial.c

diff --git a/drivers/serial/mcfserial.c b/drivers/serial/mcfserial.c
index 47f7404..f2a51e6 100644 (file)
--- a/drivers/serial/mcfserial.c
+++ b/drivers/serial/mcfserial.c
@@ -313,7 +313,7 @@ static inline void receive_chars(struct mcf_serial *info)
 {
        volatile unsigned char  *uartp;
        struct tty_struct       *tty = info->tty;
-       unsigned char           status, ch;
+       unsigned char           status, ch, flag;
 
        if (!tty)
                return;
@@ -321,10 +321,6 @@ static inline void receive_chars(struct mcf_serial *info)
        uartp = info->addr;
 
        while ((status = uartp[MCFUART_USR]) & MCFUART_USR_RXREADY) {
-
-               if (tty->flip.count >= TTY_FLIPBUF_SIZE)
-                       break;
-
                ch = uartp[MCFUART_URB];
                info->stats.rx++;
 
@@ -335,29 +331,24 @@ static inline void receive_chars(struct mcf_serial *info)
                }
 #endif
 
-               tty->flip.count++;
+               flag = TTY_NORMAL;
                if (status & MCFUART_USR_RXERR) {
                        uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETERR;
                        if (status & MCFUART_USR_RXBREAK) {
                                info->stats.rxbreak++;
-                               *tty->flip.flag_buf_ptr++ = TTY_BREAK;
+                               flag = TTY_BREAK;
                        } else if (status & MCFUART_USR_RXPARITY) {
                                info->stats.rxparity++;
-                               *tty->flip.flag_buf_ptr++ = TTY_PARITY;
+                               flag = TTY_PARITY;
                        } else if (status & MCFUART_USR_RXOVERRUN) {
                                info->stats.rxoverrun++;
-                               *tty->flip.flag_buf_ptr++ = TTY_OVERRUN;
+                               flag = TTY_OVERRUN;
                        } else if (status & MCFUART_USR_RXFRAMING) {
                                info->stats.rxframing++;
-                               *tty->flip.flag_buf_ptr++ = TTY_FRAME;
-                       } else {
-                               /* This should never happen... */
-                               *tty->flip.flag_buf_ptr++ = 0;
+                               flag = TTY_FRAME;
                        }
-               } else {
-                       *tty->flip.flag_buf_ptr++ = 0;
                }
-               *tty->flip.char_buf_ptr++ = ch;
+               tty_insert_flip_char(tty, ch, flag);
        }
 
        schedule_work(&tty->flip.work);