serial: tegra: Remove unnecessary return statements

Some functions in the serial-tegra driver have unnecessary return
statements at the end of a void function and so remove them.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/serial-tegra.c b/drivers/tty/serial/serial-tegra.c
index 38b49f447bd797c63d41e50dddf8bb9afaee93eb..42583484d4b28461346d7ab8be907e8c506ed88e 100644 (file)
--- a/drivers/tty/serial/serial-tegra.c
+++ b/drivers/tty/serial/serial-tegra.c
@@ -186,7 +186,6 @@ static void set_rts(struct tegra_uart_port *tup, bool active)
                tegra_uart_write(tup, mcr, UART_MCR);
                tup->mcr_shadow = mcr;
        }
-       return;
 }
 
 static void set_dtr(struct tegra_uart_port *tup, bool active)
@@ -202,7 +201,6 @@ static void set_dtr(struct tegra_uart_port *tup, bool active)
                tegra_uart_write(tup, mcr, UART_MCR);
                tup->mcr_shadow = mcr;
        }
-       return;
 }
 
 static void tegra_uart_set_mctrl(struct uart_port *u, unsigned int mctrl)
@@ -217,7 +215,6 @@ static void tegra_uart_set_mctrl(struct uart_port *u, unsigned int mctrl)
 
        dtr_enable = !!(mctrl & TIOCM_DTR);
        set_dtr(tup, dtr_enable);
-       return;
 }
 
 static void tegra_uart_break_ctl(struct uart_port *u, int break_ctl)
@@ -511,7 +508,6 @@ static void tegra_uart_stop_tx(struct uart_port *u)
        async_tx_ack(tup->tx_dma_desc);
        xmit->tail = (xmit->tail + count) & (UART_XMIT_SIZE - 1);
        tup->tx_in_progress = 0;
-       return;
 }
 
 static void tegra_uart_handle_tx_pio(struct tegra_uart_port *tup)
@@ -523,7 +519,6 @@ static void tegra_uart_handle_tx_pio(struct tegra_uart_port *tup)
        if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
                uart_write_wakeup(&tup->uport);
        tegra_uart_start_next_tx(tup);
-       return;
 }
 
 static void tegra_uart_handle_rx_pio(struct tegra_uart_port *tup,
@@ -545,8 +540,6 @@ static void tegra_uart_handle_rx_pio(struct tegra_uart_port *tup,
                if (!uart_handle_sysrq_char(&tup->uport, ch) && tty)
                        tty_insert_flip_char(tty, ch, flag);
        } while (1);
-
-       return;
 }
 
 static void tegra_uart_copy_rx_to_tty(struct tegra_uart_port *tup,
@@ -691,7 +684,6 @@ static void tegra_uart_handle_modem_signal_change(struct uart_port *u)
        /* Will start/stop_tx accordingly */
        if (msr & UART_MSR_DCTS)
                uart_handle_cts_change(&tup->uport, msr & UART_MSR_CTS);
-       return;
 }
 
 static irqreturn_t tegra_uart_isr(int irq, void *data)
@@ -799,7 +791,6 @@ static void tegra_uart_stop_rx(struct uart_port *u)
                tty_flip_buffer_push(port);
                tty_kref_put(tty);
        }
-       return;
 }
 
 static void tegra_uart_hw_deinit(struct tegra_uart_port *tup)
@@ -1077,7 +1068,6 @@ static void tegra_uart_flush_buffer(struct uart_port *u)
        tup->tx_bytes = 0;
        if (tup->tx_dma_chan)
                dmaengine_terminate_all(tup->tx_dma_chan);
-       return;
 }
 
 static void tegra_uart_shutdown(struct uart_port *u)
@@ -1217,7 +1207,6 @@ static void tegra_uart_set_termios(struct uart_port *u,
        tegra_uart_read(tup, UART_IER);
 
        spin_unlock_irqrestore(&u->lock, flags);
-       return;
 }
 
 static const char *tegra_uart_type(struct uart_port *u)