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serial: 8250_lpc18cc: Fill in rs485_supported
Add information on supported serial_rs485 features. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20220606100433.13793-10-ilpo.jarvinen@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1 changed files with 7 additions and 0 deletions
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@ -98,6 +98,12 @@ static void lpc18xx_uart_serial_out(struct uart_port *p, int offset, int value)
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writel(value, p->membase + offset);
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}
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static const struct serial_rs485 lpc18xx_rs485_supported = {
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.flags = SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND | SER_RS485_RTS_AFTER_SEND,
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.delay_rts_after_send = 1,
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/* Delay RTS before send is not supported */
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};
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static int lpc18xx_serial_probe(struct platform_device *pdev)
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{
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struct lpc18xx_uart_data *data;
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@ -168,6 +174,7 @@ static int lpc18xx_serial_probe(struct platform_device *pdev)
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uart.port.uartclk = clk_get_rate(data->clk_uart);
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uart.port.private_data = data;
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uart.port.rs485_config = lpc18xx_rs485_config;
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uart.port.rs485_supported = &lpc18xx_rs485_supported;
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uart.port.serial_out = lpc18xx_uart_serial_out;
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uart.dma = &data->dma;
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