[PATCH] remove verify_area(): remove verify_area() from various uaccess.h headers

[linux-2.6] / drivers / serial / 21285.c

diff --git a/drivers/serial/21285.c b/drivers/serial/21285.c
index f8504b0adebcd5e10fca98274c0eb459ef357481..aec39fb261cae9c6b14ada4e5608d67c8b4b672f 100644 (file)
--- a/drivers/serial/21285.c
+++ b/drivers/serial/21285.c
@@ -58,8 +58,7 @@ static const char serial21285_name[] = "Footbridge UART";
  *  int((BAUD_BASE - (baud >> 1)) / baud)
  */
 
-static void
-serial21285_stop_tx(struct uart_port *port, unsigned int tty_stop)
+static void serial21285_stop_tx(struct uart_port *port)
 {
        if (tx_enabled(port)) {
                disable_irq(IRQ_CONTX);
@@ -67,8 +66,7 @@ serial21285_stop_tx(struct uart_port *port, unsigned int tty_stop)
        }
 }
 
-static void
-serial21285_start_tx(struct uart_port *port, unsigned int tty_start)
+static void serial21285_start_tx(struct uart_port *port)
 {
        if (!tx_enabled(port)) {
                enable_irq(IRQ_CONTX);
@@ -110,7 +108,7 @@ static irqreturn_t serial21285_rx_chars(int irq, void *dev_id, struct pt_regs *r
                port->icount.rx++;
 
                rxs = *CSR_RXSTAT | RXSTAT_DUMMY_READ;
-               if (rxs & RXSTAT_ANYERR) {
+               if (unlikely(rxs & RXSTAT_ANYERR)) {
                        if (rxs & RXSTAT_PARITY)
                                port->icount.parity++;
                        else if (rxs & RXSTAT_FRAME)
@@ -126,18 +124,8 @@ static irqreturn_t serial21285_rx_chars(int irq, void *dev_id, struct pt_regs *r
                                flag = TTY_FRAME;
                }
 
-               if ((rxs & port->ignore_status_mask) == 0) {
-                       tty_insert_flip_char(tty, ch, flag);
-               }
-               if ((rxs & RXSTAT_OVERRUN) &&
-                   tty->flip.count < TTY_FLIPBUF_SIZE) {
-                       /*
-                        * Overrun is special, since it's reported
-                        * immediately, and doesn't affect the current
-                        * character.
-                        */
-                       tty_insert_flip_char(tty, 0, TTY_OVERRUN);
-               }
+               uart_insert_char(port, rxs, RXSTAT_OVERRUN, ch, flag);
+
                status = *CSR_UARTFLG;
        }
        tty_flip_buffer_push(tty);
@@ -158,7 +146,7 @@ static irqreturn_t serial21285_tx_chars(int irq, void *dev_id, struct pt_regs *r
                goto out;
        }
        if (uart_circ_empty(xmit) || uart_tx_stopped(port)) {
-               serial21285_stop_tx(port, 0);
+               serial21285_stop_tx(port);
                goto out;
        }
 
@@ -174,7 +162,7 @@ static irqreturn_t serial21285_tx_chars(int irq, void *dev_id, struct pt_regs *r
                uart_write_wakeup(port);
 
        if (uart_circ_empty(xmit))
-               serial21285_stop_tx(port, 0);
+               serial21285_stop_tx(port);
 
  out:
        return IRQ_HANDLED;