Fixes the following W=1 kernel build warning(s): drivers/tty/serial/lpc32xx_hs.c: In function ‘__serial_uart_flush’: drivers/tty/serial/lpc32xx_hs.c:244:6: warning: variable ‘tmp’ set but not used [-Wunused-but-set-variable] Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Cc: Jiri Slaby <jirislaby@xxxxxxxxxx> Cc: Vladimir Zapolskiy <vz@xxxxxxxxx> Cc: Sylvain Lemieux <slemieux.tyco@xxxxxxxxx> Cc: Kevin Wells <kevin.wells@xxxxxxx> Cc: Roland Stigge <stigge@xxxxxxxxx> Cc: linux-serial@xxxxxxxxxxxxxxx Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx> --- drivers/tty/serial/lpc32xx_hs.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/tty/serial/lpc32xx_hs.c b/drivers/tty/serial/lpc32xx_hs.c index b5898c9320361..1fa098d7aec4b 100644 --- a/drivers/tty/serial/lpc32xx_hs.c +++ b/drivers/tty/serial/lpc32xx_hs.c @@ -241,12 +241,11 @@ static unsigned int __serial_get_clock_div(unsigned long uartclk, static void __serial_uart_flush(struct uart_port *port) { - u32 tmp; int cnt = 0; while ((readl(LPC32XX_HSUART_LEVEL(port->membase)) > 0) && (cnt++ < FIFO_READ_LIMIT)) - tmp = readl(LPC32XX_HSUART_FIFO(port->membase)); + readl(LPC32XX_HSUART_FIFO(port->membase)); } static void __serial_lpc32xx_rx(struct uart_port *port) -- 2.25.1