tty: serial: samsung: return bool for s3c24xx_serial_console_txrdy()

s3c24xx_serial_console_txrdy() returned just 0 or 1 to indicate whether
the TX is empty or not. Change its return type to bool.

Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://lore.kernel.org/r/20240119104526.1221243-16-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 90d697def5c7273987bd8171eef45b95064706f5..bdc81ab4af917883ec37da88ba976cc2b06023eb 100644 (file)
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -2184,7 +2184,7 @@ static const struct dev_pm_ops s3c24xx_serial_pm_ops = {
 
 static struct uart_port *cons_uart;
 
-static int
+static bool
 s3c24xx_serial_console_txrdy(struct uart_port *port, u32 ufcon)
 {
        const struct s3c24xx_uart_info *info = s3c24xx_port_to_info(port);
@@ -2194,13 +2194,13 @@ s3c24xx_serial_console_txrdy(struct uart_port *port, u32 ufcon)
                /* fifo mode - check amount of data in fifo registers... */
 
                ufstat = rd_regl(port, S3C2410_UFSTAT);
-               return (ufstat & info->tx_fifofull) ? 0 : 1;
+               return !(ufstat & info->tx_fifofull);
        }
 
        /* in non-fifo mode, we go and use the tx buffer empty */
 
        utrstat = rd_regl(port, S3C2410_UTRSTAT);
-       return (utrstat & S3C2410_UTRSTAT_TXE) ? 1 : 0;
+       return utrstat & S3C2410_UTRSTAT_TXE;
 }
 
 static bool