Pull sim-fixes into release branch

[pandora-kernel.git] / drivers / serial / amba-pl011.c

diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
index ff658a8..5607130 100644 (file)
--- a/drivers/serial/amba-pl011.c
+++ b/drivers/serial/amba-pl011.c
@@ -74,7 +74,7 @@ struct uart_amba_port {
        unsigned int            old_status;
 };
 
-static void pl011_stop_tx(struct uart_port *port, unsigned int tty_stop)
+static void pl011_stop_tx(struct uart_port *port)
 {
        struct uart_amba_port *uap = (struct uart_amba_port *)port;
 
@@ -82,7 +82,7 @@ static void pl011_stop_tx(struct uart_port *port, unsigned int tty_stop)
        writew(uap->im, uap->port.membase + UART011_IMSC);
 }
 
-static void pl011_start_tx(struct uart_port *port, unsigned int tty_start)
+static void pl011_start_tx(struct uart_port *port)
 {
        struct uart_amba_port *uap = (struct uart_amba_port *)port;
 
@@ -137,7 +137,7 @@ pl011_rx_chars(struct uart_amba_port *uap)
                 * out of the main execution path
                 */
                rsr = readw(uap->port.membase + UART01x_RSR) | 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);
                                uap->port.icount.brk++;
@@ -163,18 +163,8 @@ pl011_rx_chars(struct uart_amba_port *uap)
                if (uart_handle_sysrq_char(&uap->port, ch, regs))
                        goto ignore_char;
 
-               if ((rsr & uap->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(&uap->port, rsr, UART01x_RSR_OE, ch, flag);
+
        ignore_char:
                status = readw(uap->port.membase + UART01x_FR);
        }
@@ -194,7 +184,7 @@ static void pl011_tx_chars(struct uart_amba_port *uap)
                return;
        }
        if (uart_circ_empty(xmit) || uart_tx_stopped(&uap->port)) {
-               pl011_stop_tx(&uap->port, 0);
+               pl011_stop_tx(&uap->port);
                return;
        }
 
@@ -211,7 +201,7 @@ static void pl011_tx_chars(struct uart_amba_port *uap)
                uart_write_wakeup(&uap->port);
 
        if (uart_circ_empty(xmit))
-               pl011_stop_tx(&uap->port, 0);
+               pl011_stop_tx(&uap->port);
 }
 
 static void pl011_modem_status(struct uart_amba_port *uap)