linux-kernel - [PATCH 19/36] tty: serial: lpc32xx_hs: Remove unused variable 'tmp'

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Date:   Wed,  4 Nov 2020 19:35:32 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     lee.jones@...aro.org
Cc:     linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Vladimir Zapolskiy <vz@...ia.com>,
        Sylvain Lemieux <slemieux.tyco@...il.com>,
        Kevin Wells <kevin.wells@....com>,
        Roland Stigge <stigge@...com.de>, linux-serial@...r.kernel.org
Subject: [PATCH 19/36] tty: serial: lpc32xx_hs: Remove unused variable 'tmp'

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@...uxfoundation.org>
Cc: Jiri Slaby <jirislaby@...nel.org>
Cc: Vladimir Zapolskiy <vz@...ia.com>
Cc: Sylvain Lemieux <slemieux.tyco@...il.com>
Cc: Kevin Wells <kevin.wells@....com>
Cc: Roland Stigge <stigge@...com.de>
Cc: linux-serial@...r.kernel.org
Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 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