1 files changed, 3 insertions, 8 deletions

diff --git a/drivers/tty/serial/ifx6x60.c b/drivers/tty/serial/ifx6x60.c
index 8cb6d8d66a13..68d7ce997ede 100644
--- a/drivers/tty/serial/ifx6x60.c
+++ b/drivers/tty/serial/ifx6x60.c
@@ -481,7 +481,6 @@ static int ifx_spi_prepare_tx_buffer(struct ifx_spi_device *ifx_dev)
         unsigned char *tx_buffer;
 
         tx_buffer = ifx_dev->tx_buffer;
-        memset(tx_buffer, 0, IFX_SPI_TRANSFER_SIZE);
 
         /* make room for required SPI header */
         tx_buffer += IFX_SPI_HEADER_OVERHEAD;
@@ -615,7 +614,7 @@ static int ifx_port_activate(struct tty_port *port, struct tty_struct *tty)
         tty->driver_data = ifx_dev;
 
         /* allows flip string push from int context */
-        tty->low_latency = 1;
+        port->low_latency = 1;
 
         /* set flag to allows data transfer */
         set_bit(IFX_SPI_STATE_IO_AVAILABLE, &ifx_dev->flags);
@@ -670,12 +669,8 @@ static const struct tty_operations ifx_spi_serial_ops = {
 static void ifx_spi_insert_flip_string(struct ifx_spi_device *ifx_dev,
                                     unsigned char *chars, size_t size)
 {
-        struct tty_struct *tty = tty_port_tty_get(&ifx_dev->tty_port);
-        if (!tty)
-                return;
-        tty_insert_flip_string(tty, chars, size);
-        tty_flip_buffer_push(tty);
-        tty_kref_put(tty);
+        tty_insert_flip_string(&ifx_dev->tty_port, chars, size);
+        tty_flip_buffer_push(&ifx_dev->tty_port);
 }
 
 /**