serial: xilinx_uartps: Make cdns_rs485_supported static

The sparse tool complains as follows:

drivers/tty/serial/xilinx_uartps.c:222:21: warning:
	symbol 'cdns_rs485_supported' was not declared. Should it be static?

This symbol is not used outside xilinx_uartps.c, so marks it static.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Link: https://lore.kernel.org/r/20240819120107.3884973-1-ruanjinjie@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c
index 2acfcea403cef224c798dd844624c58358d920e7..777392914819d77d03b08a50010d4fb54cf3583c 100644 (file)
--- a/drivers/tty/serial/xilinx_uartps.c
+++ b/drivers/tty/serial/xilinx_uartps.c
@@ -219,7 +219,7 @@ struct cdns_platform_data {
        u32 quirks;
 };
 
-struct serial_rs485 cdns_rs485_supported = {
+static struct serial_rs485 cdns_rs485_supported = {
        .flags = SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND |
                 SER_RS485_RTS_AFTER_SEND,
        .delay_rts_before_send = 1,