linux-kernel - [PATCH 6/7] serial: max310x: add macro for max number of ports

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20231130191050.3165862-7-hugo@hugovil.com>
Date:   Thu, 30 Nov 2023 14:10:48 -0500
From:   Hugo Villeneuve <hugo@...ovil.com>
To:     gregkh@...uxfoundation.org, jirislaby@...nel.org,
        hvilleneuve@...onoff.com
Cc:     linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
        hugo@...ovil.com
Subject: [PATCH 6/7] serial: max310x: add macro for max number of ports

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

Add macro to hold the maximum number of UART ports per IC/device.

Signed-off-by: Hugo Villeneuve <hvilleneuve@...onoff.com>
---
 drivers/tty/serial/max310x.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index f3a99daebdaa..58dd5cc62014 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -30,6 +30,7 @@
 #define MAX310X_MAJOR			204
 #define MAX310X_MINOR			209
 #define MAX310X_UART_NRMAX		16
+#define MAX310X_MAX_PORTS		4 /* Maximum number of UART ports per IC. */
 
 /* MAX310X register definitions */
 #define MAX310X_RHR_REG			(0x00) /* RX FIFO */
@@ -1502,7 +1503,7 @@ static const struct max310x_if_cfg __maybe_unused max310x_spi_if_cfg = {
 static int max310x_spi_probe(struct spi_device *spi)
 {
 	const struct max310x_devtype *devtype;
-	struct regmap *regmaps[4];
+	struct regmap *regmaps[MAX310X_MAX_PORTS];
 	unsigned int i;
 	int ret;
 
@@ -1605,7 +1606,7 @@ static int max310x_i2c_probe(struct i2c_client *client)
 	const struct max310x_devtype *devtype =
 			device_get_match_data(&client->dev);
 	struct i2c_client *port_client;
-	struct regmap *regmaps[4];
+	struct regmap *regmaps[MAX310X_MAX_PORTS];
 	unsigned int i;
 	u8 port_addr;
 
-- 
2.39.2