[PATCH] TTY layer buffering revamp

[pandora-kernel.git] / drivers / serial / 8250.c

diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index e845461..54e5cc0 100644 (file)
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -1142,19 +1142,6 @@ receive_chars(struct uart_8250_port *up, int *status, struct pt_regs *regs)
        char flag;
 
        do {
-               /* The following is not allowed by the tty layer and
-                  unsafe. It should be fixed ASAP */
-               if (unlikely(tty->flip.count >= TTY_FLIPBUF_SIZE)) {
-                       if (tty->low_latency) {
-                               spin_unlock(&up->port.lock);
-                               tty_flip_buffer_push(tty);
-                               spin_lock(&up->port.lock);
-                       }
-                       /*
-                        * If this failed then we will throw away the
-                        * bytes but must do so to clear interrupts
-                        */
-               }
                ch = serial_inp(up, UART_RX);
                flag = TTY_NORMAL;
                up->port.icount.rx++;