linux-kernel - [PATCH 10/18] tty: serial: samsung: make max

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Date: Wed, 10 Jan 2024 10:20:54 +0000
From: Tudor Ambarus <tudor.ambarus@...aro.org>
To: krzysztof.kozlowski@...aro.org,
	alim.akhtar@...sung.com,
	gregkh@...uxfoundation.org,
	jirislaby@...nel.org
Cc: linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org,
	andre.draszik@...aro.org,
	peter.griffin@...aro.org,
	kernel-team@...roid.com,
	willmcvicker@...gle.com,
	Tudor Ambarus <tudor.ambarus@...aro.org>
Subject: [PATCH 10/18] tty: serial: samsung: make max_count unsigned int

``max_count`` negative values are not used. Since ``port->fifosize``
is an unsigned int, make ``max_count`` the same.

Signed-off-by: Tudor Ambarus <tudor.ambarus@...aro.org>
---
 drivers/tty/serial/samsung_tty.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index 90c49197efc7..dbbe6b8e3ceb 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -760,8 +760,8 @@ static irqreturn_t s3c24xx_serial_rx_chars_dma(void *dev_id)
 static void s3c24xx_serial_rx_drain_fifo(struct s3c24xx_uart_port *ourport)
 {
 	struct uart_port *port = &ourport->port;
+	unsigned int max_count = port->fifosize;
 	unsigned int fifocnt = 0;
-	int max_count = port->fifosize;
 	u32 ufcon, ufstat, uerstat;
 	u8 ch, flag;
 
-- 
2.43.0.472.g3155946c3a-goog