Revert "tty: amba-pl011: Add un/throttle support"

This reverts commit 159f4c6402fadc30c984cc13e6e19e7d233a77b9.

diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 9d25bcf..706767b 100644 (file)
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -1360,32 +1360,6 @@ static void pl011_start_tx(struct uart_port *port)
                pl011_start_tx_pio(uap);
 }
 
-static void pl011_throttle(struct uart_port *port)
-{
-       struct uart_amba_port *uap =
-           container_of(port, struct uart_amba_port, port);
-       unsigned long flags;
-
-       spin_lock_irqsave(&uap->port.lock, flags);
-       uap->im &= ~(UART011_RTIM | UART011_RXIM);
-       pl011_write(uap->im, uap, REG_IMSC);
-       spin_unlock_irqrestore(&uap->port.lock, flags);
-}
-
-static void pl011_unthrottle(struct uart_port *port)
-{
-       struct uart_amba_port *uap =
-           container_of(port, struct uart_amba_port, port);
-       unsigned long flags;
-
-       spin_lock_irqsave(&uap->port.lock, flags);
-       uap->im |= UART011_RTIM;
-       if (!pl011_dma_rx_running(uap))
-           uap->im |= UART011_RXIM;
-       pl011_write(uap->im, uap, REG_IMSC);
-       spin_unlock_irqrestore(&uap->port.lock, flags);
-}
-
 static void pl011_stop_rx(struct uart_port *port)
 {
        struct uart_amba_port *uap =
@@ -2293,8 +2267,6 @@ static const struct uart_ops amba_pl011_pops = {
        .stop_tx        = pl011_stop_tx,
        .start_tx       = pl011_start_tx,
        .stop_rx        = pl011_stop_rx,
-       .throttle       = pl011_throttle,
-       .unthrottle     = pl011_unthrottle,
        .enable_ms      = pl011_enable_ms,
        .break_ctl      = pl011_break_ctl,
        .startup        = pl011_startup,