linux-kernel - [PATCH v2 12/19] tty: serial: samsung: make max

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Date: Fri, 19 Jan 2024 10:45:19 +0000
From: Tudor Ambarus <tudor.ambarus@...aro.org>
To: gregkh@...uxfoundation.org,
	jirislaby@...nel.org,
	robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	conor+dt@...nel.org
Cc: alim.akhtar@...sung.com,
	linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org,
	andre.draszik@...aro.org,
	kernel-team@...roid.com,
	peter.griffin@...aro.org,
	semen.protsenko@...aro.org,
	willmcvicker@...gle.com,
	Tudor Ambarus <tudor.ambarus@...aro.org>
Subject: [PATCH v2 12/19] 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.

Reviewed-by: Sam Protsenko <semen.protsenko@...aro.org>
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 4bb75b1eceef..f8a8b459a86b 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;
 
-- 
2.43.0.429.g432eaa2c6b-goog