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authorMichal Simek <michal.simek@xilinx.com>2018-09-03 15:10:55 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-09-18 16:07:23 +0200
commit10a5315b47b09ea3c8e69e5bb5b51a829fe84028 (patch)
treeda9657470f1ab7de21d8b7be96abaff5e149e3e0 /drivers/tty/serial
parentserial: uartps: Move register to probe based on run time detection (diff)
downloadlinux-dev-10a5315b47b09ea3c8e69e5bb5b51a829fe84028.tar.xz
linux-dev-10a5315b47b09ea3c8e69e5bb5b51a829fe84028.zip
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>
Diffstat (limited to 'drivers/tty/serial')
-rw-r--r--drivers/tty/serial/xilinx_uartps.c26
1 files changed, 12 insertions, 14 deletions
diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c
index 382f11c6720c..945d252b93e3 100644
--- a/drivers/tty/serial/xilinx_uartps.c
+++ b/drivers/tty/serial/xilinx_uartps.c
@@ -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");