serial: etraxfs-uart: remove empty functions
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>
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@ -366,14 +366,6 @@ static void etraxfs_uart_stop_rx(struct uart_port *port)
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REG_WR(ser, regi_ser, rw_rec_ctrl, rec_ctrl);
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}
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static void etraxfs_uart_enable_ms(struct uart_port *port)
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{
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}
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static void check_modem_status(struct uart_cris_port *up)
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{
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}
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static unsigned int etraxfs_uart_tx_empty(struct uart_port *port)
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{
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struct uart_cris_port *up = (struct uart_cris_port *)port;
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@ -591,7 +583,6 @@ ser_interrupt(int irq, void *dev_id)
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receive_chars_no_dma(up);
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handled = 1;
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}
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check_modem_status(up);
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if (masked_intr.tr_rdy) {
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transmit_chars_no_dma(up);
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@ -855,7 +846,6 @@ static const struct uart_ops etraxfs_uart_pops = {
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.start_tx = etraxfs_uart_start_tx,
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.send_xchar = etraxfs_uart_send_xchar,
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.stop_rx = etraxfs_uart_stop_rx,
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.enable_ms = etraxfs_uart_enable_ms,
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.break_ctl = etraxfs_uart_break_ctl,
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.startup = etraxfs_uart_startup,
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.shutdown = etraxfs_uart_shutdown,
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