]> err.no Git - linux-2.6/blobdiff - drivers/serial/amba-pl010.c
[PATCH] Make the bzImage format self-terminating
[linux-2.6] / drivers / serial / amba-pl010.c
index 484f6fb900b51feb5a90cb765aa1cd99da951f54..978e12437e617df488ccd32352e41a457516961b 100644 (file)
@@ -105,7 +105,7 @@ struct uart_amba_port {
        unsigned int            old_status;
 };
 
-static void pl010_stop_tx(struct uart_port *port, unsigned int tty_stop)
+static void pl010_stop_tx(struct uart_port *port)
 {
        unsigned int cr;
 
@@ -114,7 +114,7 @@ static void pl010_stop_tx(struct uart_port *port, unsigned int tty_stop)
        UART_PUT_CR(port, cr);
 }
 
-static void pl010_start_tx(struct uart_port *port, unsigned int tty_start)
+static void pl010_start_tx(struct uart_port *port)
 {
        unsigned int cr;
 
@@ -172,7 +172,7 @@ pl010_rx_chars(struct uart_port *port)
                 * out of the main execution path
                 */
                rsr = UART_GET_RSR(port) | UART_DUMMY_RSR_RX;
-               if (rsr & UART01x_RSR_ANY) {
+               if (unlikely(rsr & UART01x_RSR_ANY)) {
                        if (rsr & UART01x_RSR_BE) {
                                rsr &= ~(UART01x_RSR_FE | UART01x_RSR_PE);
                                port->icount.brk++;
@@ -198,18 +198,8 @@ pl010_rx_chars(struct uart_port *port)
                if (uart_handle_sysrq_char(port, ch, regs))
                        goto ignore_char;
 
-               if ((rsr & port->ignore_status_mask) == 0) {
-                       tty_insert_flip_char(tty, ch, flag);
-               }
-               if ((rsr & UART01x_RSR_OE) &&
-                   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, rsr, UART01x_RSR_OE, ch, flag);
+
        ignore_char:
                status = UART_GET_FR(port);
        }
@@ -229,7 +219,7 @@ static void pl010_tx_chars(struct uart_port *port)
                return;
        }
        if (uart_circ_empty(xmit) || uart_tx_stopped(port)) {
-               pl010_stop_tx(port, 0);
+               pl010_stop_tx(port);
                return;
        }
 
@@ -246,7 +236,7 @@ static void pl010_tx_chars(struct uart_port *port)
                uart_write_wakeup(port);
 
        if (uart_circ_empty(xmit))
-               pl010_stop_tx(port, 0);
+               pl010_stop_tx(port);
 }
 
 static void pl010_modem_status(struct uart_port *port)