linux-kernel - [PATCH 10/18] serial: sc16is7xx: use HZ_PER

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Message-Id: <20231219171903.3530985-11-hugo@hugovil.com>
Date: Tue, 19 Dec 2023 12:18:54 -0500
From: Hugo Villeneuve <hugo@...ovil.com>
To: gregkh@...uxfoundation.org,
	jirislaby@...nel.org,
	jringle@...dpoint.com,
	kubakici@...pl,
	phil@...pberrypi.org,
	bo.svangard@...eddedart.se
Cc: linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org,
	hugo@...ovil.com,
	Hugo Villeneuve <hvilleneuve@...onoff.com>,
	Andy Shevchenko <andy.shevchenko@...il.com>
Subject: [PATCH 10/18] serial: sc16is7xx: use HZ_PER_MHZ macro to improve readability

From: Hugo Villeneuve <hvilleneuve@...onoff.com>

Improves code readability by making it more obvious that it is a MHz value.

Suggested-by: Andy Shevchenko <andy.shevchenko@...il.com>
Signed-off-by: Hugo Villeneuve <hvilleneuve@...onoff.com>
---
 drivers/tty/serial/sc16is7xx.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c
index 29844e2eefc5..7d5eec2d0e94 100644
--- a/drivers/tty/serial/sc16is7xx.c
+++ b/drivers/tty/serial/sc16is7xx.c
@@ -24,6 +24,7 @@
 #include <linux/tty_flip.h>
 #include <linux/spi/spi.h>
 #include <linux/uaccess.h>
+#include <linux/units.h>
 #include <uapi/linux/sched/types.h>
 
 #define SC16IS7XX_NAME			"sc16is7xx"
@@ -1741,7 +1742,7 @@ static int sc16is7xx_spi_probe(struct spi_device *spi)
 	spi->bits_per_word	= 8;
 	/* only supports mode 0 on SC16IS762 */
 	spi->mode		= spi->mode ? : SPI_MODE_0;
-	spi->max_speed_hz	= spi->max_speed_hz ? : 15000000;
+	spi->max_speed_hz	= spi->max_speed_hz ? : 15 * HZ_PER_MHZ;
 	ret = spi_setup(spi);
 	if (ret)
 		return ret;
-- 
2.39.2