tty: serial: samsung: change return type for s3c24xx_serial_rx_fifocnt()

Change the return type of the s3c24xx_serial_rx_fifocnt() method to
``unsigned int`` as the method only returns the fifo size and does not
handle error codes.

Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://lore.kernel.org/r/20240119104526.1221243-17-tudor.ambarus@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index bdc81ab4af917883ec37da88ba976cc2b06023eb..149f618e22cebad239095a7b5e626299cc7f1bef 100644 (file)
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -590,8 +590,8 @@ static inline const struct s3c2410_uartcfg
        return ourport->cfg;
 }
 
-static int s3c24xx_serial_rx_fifocnt(const struct s3c24xx_uart_port *ourport,
-                                    u32 ufstat)
+static unsigned int
+s3c24xx_serial_rx_fifocnt(const struct s3c24xx_uart_port *ourport, u32 ufstat)
 {
        const struct s3c24xx_uart_info *info = ourport->info;