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-rw-r--r--drivers/tty/serial/men_z135_uart.c1
-rw-r--r--drivers/tty/serial/serial_txx9.c1
2 files changed, 0 insertions, 2 deletions
diff --git a/drivers/tty/serial/men_z135_uart.c b/drivers/tty/serial/men_z135_uart.c
index ef89534dd760..e5d3ebab6dae 100644
--- a/drivers/tty/serial/men_z135_uart.c
+++ b/drivers/tty/serial/men_z135_uart.c
@@ -353,7 +353,6 @@ static void men_z135_handle_tx(struct men_z135_port *uart)
memcpy_toio(port->membase + MEN_Z135_TX_RAM, &xmit->buf[xmit->tail], n);
xmit->tail = (xmit->tail + n) & (UART_XMIT_SIZE - 1);
- mmiowb();
iowrite32(n & 0x3ff, port->membase + MEN_Z135_TX_CTRL);
diff --git a/drivers/tty/serial/serial_txx9.c b/drivers/tty/serial/serial_txx9.c
index 1b4008d022bf..d22ccb32aa9b 100644
--- a/drivers/tty/serial/serial_txx9.c
+++ b/drivers/tty/serial/serial_txx9.c
@@ -248,7 +248,6 @@ static void serial_txx9_initialize(struct uart_port *port)
sio_out(up, TXX9_SIFCR, TXX9_SIFCR_SWRST);
/* TX4925 BUG WORKAROUND. Accessing SIOC register
* immediately after soft reset causes bus error. */
- mmiowb();
udelay(1);
while ((sio_in(up, TXX9_SIFCR) & TXX9_SIFCR_SWRST) && --tmout)
udelay(1);