tty: Move serial8250_stop_rx() in front of serial8250_start_tx()
Software RS485 emultaion is to be added in the following commit. serial8250_start_tx() will need to refer serial8250_stop_rx(). Move serial8250_stop_rx() in front of serial8250_start_tx() in order to avoid function forward declaration. Signed-off-by: Matwey V. Kornilov <matwey@sai.msu.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -1304,6 +1304,19 @@ static void autoconfig_irq(struct uart_8250_port *up)
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port->irq = (irq > 0) ? irq : 0;
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}
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static void serial8250_stop_rx(struct uart_port *port)
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{
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struct uart_8250_port *up = up_to_u8250p(port);
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serial8250_rpm_get(up);
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up->ier &= ~(UART_IER_RLSI | UART_IER_RDI);
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up->port.read_status_mask &= ~UART_LSR_DR;
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serial_port_out(port, UART_IER, up->ier);
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serial8250_rpm_put(up);
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}
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static inline void __stop_tx(struct uart_8250_port *p)
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{
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if (p->ier & UART_IER_THRI) {
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@ -1371,19 +1384,6 @@ static void serial8250_unthrottle(struct uart_port *port)
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port->unthrottle(port);
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}
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static void serial8250_stop_rx(struct uart_port *port)
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{
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struct uart_8250_port *up = up_to_u8250p(port);
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serial8250_rpm_get(up);
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up->ier &= ~(UART_IER_RLSI | UART_IER_RDI);
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up->port.read_status_mask &= ~UART_LSR_DR;
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serial_port_out(port, UART_IER, up->ier);
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serial8250_rpm_put(up);
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}
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static void serial8250_disable_ms(struct uart_port *port)
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{
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struct uart_8250_port *up =
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