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path: root/drivers/tty/serial/lpc32xx_hs.c
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Diffstat (limited to 'drivers/tty/serial/lpc32xx_hs.c')
-rw-r--r--drivers/tty/serial/lpc32xx_hs.c16
1 files changed, 2 insertions, 14 deletions
diff --git a/drivers/tty/serial/lpc32xx_hs.c b/drivers/tty/serial/lpc32xx_hs.c
index 5cd180564c03..c8448e6f52e5 100644
--- a/drivers/tty/serial/lpc32xx_hs.c
+++ b/drivers/tty/serial/lpc32xx_hs.c
@@ -259,16 +259,6 @@ static void __serial_lpc32xx_rx(struct uart_port *port)
{
struct tty_port *tport = &port->state->port;
unsigned int tmp, flag;
- struct tty_struct *tty = tty_port_tty_get(tport);
-
- if (!tty) {
- /* Discard data: no tty available */
- while (!(readl(LPC32XX_HSUART_FIFO(port->membase)) &
- LPC32XX_HSU_RX_EMPTY))
- ;
-
- return;
- }
/* Read data from FIFO and push into terminal */
tmp = readl(LPC32XX_HSUART_FIFO(port->membase));
@@ -289,8 +279,7 @@ static void __serial_lpc32xx_rx(struct uart_port *port)
tmp = readl(LPC32XX_HSUART_FIFO(port->membase));
}
- tty_flip_buffer_push(tty);
- tty_kref_put(tty);
+ tty_flip_buffer_push(tport);
}
static void __serial_lpc32xx_tx(struct uart_port *port)
@@ -367,8 +356,7 @@ static irqreturn_t serial_lpc32xx_interrupt(int irq, void *dev_id)
/* Data received? */
if (status & (LPC32XX_HSU_RX_TIMEOUT_INT | LPC32XX_HSU_RX_TRIG_INT)) {
__serial_lpc32xx_rx(port);
- if (tty)
- tty_flip_buffer_push(tty);
+ tty_flip_buffer_push(tport);
}
/* Transmit data request? */
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