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serial: uartps: Fill struct uart_driver in probe() 

This is preparation step for dynamic port allocation without
CDNS_UART_NR_PORTS macro. Fill the structure only once at probe.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
hifive-unleashed-5.1
Michal Simek 2018-09-03 15:10:55 +02:00 committed by Greg Kroah-Hartman
parent e4bbb5194e
commit 10a5315b47
1 changed files with 12 additions and 14 deletions
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26
drivers/tty/serial/xilinx_uartps.c
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@ -1100,6 +1100,8 @@ static const struct uart_ops cdns_uart_ops = {
#endif
};
static struct uart_driver cdns_uart_uart_driver;
#ifdef CONFIG_SERIAL_XILINX_PS_UART_CONSOLE
/**
* cdns_uart_console_putchar - write the character to the FIFO buffer
@ -1240,8 +1242,6 @@ static int cdns_uart_console_setup(struct console *co, char *options)
return uart_set_options(port, co, baud, parity, bits, flow);
}
static struct uart_driver cdns_uart_uart_driver;
static struct console cdns_uart_console = {
.name = CDNS_UART_TTY_NAME,
.write = cdns_uart_console_write,
@ -1253,18 +1253,6 @@ static struct console cdns_uart_console = {
};
#endif /* CONFIG_SERIAL_XILINX_PS_UART_CONSOLE */
static struct uart_driver cdns_uart_uart_driver = {
.owner = THIS_MODULE,
.driver_name = CDNS_UART_NAME,
.dev_name = CDNS_UART_TTY_NAME,
.major = CDNS_UART_MAJOR,
.minor = CDNS_UART_MINOR,
.nr = CDNS_UART_NR_PORTS,
#ifdef CONFIG_SERIAL_XILINX_PS_UART_CONSOLE
.cons = &cdns_uart_console,
#endif
};
#ifdef CONFIG_PM_SLEEP
/**
* cdns_uart_suspend - suspend event
@ -1430,6 +1418,16 @@ static int cdns_uart_probe(struct platform_device *pdev)
}
if (!cdns_uart_uart_driver.state) {
cdns_uart_uart_driver.owner = THIS_MODULE;
cdns_uart_uart_driver.driver_name = CDNS_UART_NAME;
cdns_uart_uart_driver.dev_name = CDNS_UART_TTY_NAME;
cdns_uart_uart_driver.major = CDNS_UART_MAJOR;
cdns_uart_uart_driver.minor = CDNS_UART_MINOR;
cdns_uart_uart_driver.nr = CDNS_UART_NR_PORTS;
#ifdef CONFIG_SERIAL_XILINX_PS_UART_CONSOLE
cdns_uart_uart_driver.cons = &cdns_uart_console;
#endif
rc = uart_register_driver(&cdns_uart_uart_driver);
if (rc < 0) {
dev_err(&pdev->dev, "Failed to register driver\n");