linux-kernel - [PATCH] tty: serial: fsl_lpuart: Fix unused variable 'sport' build warning

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Message-Id: <20250324021051.162676-1-sherry.sun@nxp.com>
Date: Mon, 24 Mar 2025 10:10:51 +0800
From: Sherry Sun <sherry.sun@....com>
To: gregkh@...uxfoundation.org,
	jirislaby@...nel.org
Cc: linux-serial@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	imx@...ts.linux.dev
Subject: [PATCH] tty: serial: fsl_lpuart: Fix unused variable 'sport' build warning

Remove the unused variable 'sport' to avoid the kernel build warning.

Fixes: 3cc16ae096f1 ("tty: serial: fsl_lpuart: use port struct directly to simply code")
Reported-by: kernel test robot <lkp@...el.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202503210614.2qGlnbIq-lkp@intel.com/
Signed-off-by: Sherry Sun <sherry.sun@....com>
---
 drivers/tty/serial/fsl_lpuart.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
index 33eeefa6fa8f..4470966b826c 100644
--- a/drivers/tty/serial/fsl_lpuart.c
+++ b/drivers/tty/serial/fsl_lpuart.c
@@ -639,8 +639,6 @@ static void lpuart32_wait_bit_set(struct uart_port *port, unsigned int offset,
 
 static int lpuart_poll_init(struct uart_port *port)
 {
-	struct lpuart_port *sport = container_of(port,
-					struct lpuart_port, port);
 	unsigned long flags;
 	u8 fifo;
 
@@ -693,7 +691,6 @@ static int lpuart_poll_get_char(struct uart_port *port)
 static int lpuart32_poll_init(struct uart_port *port)
 {
 	unsigned long flags;
-	struct lpuart_port *sport = container_of(port, struct lpuart_port, port);
 	u32 fifo;
 
 	port->fifosize = 0;
-- 
2.34.1