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serial: etraxfs-uart: remove empty functions

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Implementing enable_ms is optional by serial_core.
check_modem_status is just an empty local function.

Signed-off-by: Niklas Cassel <nks@flawful.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Niklas Cassel 2015-07-25 02:00:40 +02:00 committed by Greg Kroah-Hartman
parent 90bb6bd385
commit 9625734ff7
1 changed files with 0 additions and 10 deletions
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10
drivers/tty/serial/etraxfs-uart.c
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@ -366,14 +366,6 @@ static void etraxfs_uart_stop_rx(struct uart_port *port)
REG_WR(ser, regi_ser, rw_rec_ctrl, rec_ctrl);
}
static void etraxfs_uart_enable_ms(struct uart_port *port)
{
}
static void check_modem_status(struct uart_cris_port *up)
{
}
static unsigned int etraxfs_uart_tx_empty(struct uart_port *port)
{
struct uart_cris_port *up = (struct uart_cris_port *)port;
@ -591,7 +583,6 @@ ser_interrupt(int irq, void *dev_id)
receive_chars_no_dma(up);
handled = 1;
}
check_modem_status(up);
if (masked_intr.tr_rdy) {
transmit_chars_no_dma(up);
@ -855,7 +846,6 @@ static const struct uart_ops etraxfs_uart_pops = {
.start_tx = etraxfs_uart_start_tx,
.send_xchar = etraxfs_uart_send_xchar,
.stop_rx = etraxfs_uart_stop_rx,
.enable_ms = etraxfs_uart_enable_ms,
.break_ctl = etraxfs_uart_break_ctl,
.startup = etraxfs_uart_startup,
.shutdown = etraxfs_uart_shutdown,