Linux Serial subsystem development
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From: Hugo Villeneuve <hugo@hugovil.com>
To: gregkh@linuxfoundation.org, jirislaby@kernel.org,
	hvilleneuve@dimonoff.com
Cc: linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org,
	hugo@hugovil.com
Subject: [PATCH 4/7] serial: sc16is7xx: add macro for max number of UART ports
Date: Thu, 30 Nov 2023 14:10:46 -0500	[thread overview]
Message-ID: <20231130191050.3165862-5-hugo@hugovil.com> (raw)
In-Reply-To: <20231130191050.3165862-1-hugo@hugovil.com>

From: Hugo Villeneuve <hvilleneuve@dimonoff.com>

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

Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
---
 drivers/tty/serial/sc16is7xx.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c
index eb2c0dcd3775..750c55b93f5e 100644
--- a/drivers/tty/serial/sc16is7xx.c
+++ b/drivers/tty/serial/sc16is7xx.c
@@ -28,6 +28,7 @@
 
 #define SC16IS7XX_NAME			"sc16is7xx"
 #define SC16IS7XX_MAX_DEVS		8
+#define SC16IS7XX_MAX_PORTS		2 /* Maximum number of UART ports per IC. */
 
 /* SC16IS7XX register definitions */
 #define SC16IS7XX_RHR_REG		(0x00) /* RX FIFO */
@@ -1399,7 +1400,7 @@ static void sc16is7xx_setup_irda_ports(struct sc16is7xx_port *s)
 	int i;
 	int ret;
 	int count;
-	u32 irda_port[2];
+	u32 irda_port[SC16IS7XX_MAX_PORTS];
 	struct device *dev = s->p[0].port.dev;
 
 	count = device_property_count_u32(dev, "irda-mode-ports");
@@ -1426,7 +1427,7 @@ static int sc16is7xx_setup_mctrl_ports(struct sc16is7xx_port *s,
 	int i;
 	int ret;
 	int count;
-	u32 mctrl_port[2];
+	u32 mctrl_port[SC16IS7XX_MAX_PORTS];
 	struct device *dev = s->p[0].port.dev;
 
 	count = device_property_count_u32(dev, "nxp,modem-control-line-ports");
@@ -1716,7 +1717,7 @@ static unsigned int sc16is7xx_regmap_port_mask(unsigned int port_id)
 static int sc16is7xx_spi_probe(struct spi_device *spi)
 {
 	const struct sc16is7xx_devtype *devtype;
-	struct regmap *regmaps[2];
+	struct regmap *regmaps[SC16IS7XX_MAX_PORTS];
 	unsigned int i;
 	int ret;
 
@@ -1791,7 +1792,7 @@ static int sc16is7xx_i2c_probe(struct i2c_client *i2c)
 {
 	const struct i2c_device_id *id = i2c_client_get_device_id(i2c);
 	const struct sc16is7xx_devtype *devtype;
-	struct regmap *regmaps[2];
+	struct regmap *regmaps[SC16IS7XX_MAX_PORTS];
 	unsigned int i;
 
 	if (i2c->dev.of_node) {
-- 
2.39.2


  parent reply	other threads:[~2023-11-30 19:11 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-30 19:10 [PATCH 0/7] serial: sc16is7xx and max310x: regmap fixes and improvements Hugo Villeneuve
2023-11-30 19:10 ` [PATCH 1/7] serial: sc16is7xx: fix snprintf format specifier in sc16is7xx_regmap_name() Hugo Villeneuve
2023-12-06  6:29   ` kernel test robot
2023-12-07 17:52     ` Hugo Villeneuve
2023-12-07 18:24       ` Andy Shevchenko
2023-12-07 19:02         ` Hugo Villeneuve
2023-12-12 20:03         ` Hugo Villeneuve
2023-12-13 14:43           ` Andy Shevchenko
2023-12-07 19:45       ` David Laight
2023-12-07  1:44   ` Greg KH
2023-12-07 16:02     ` Hugo Villeneuve
2023-12-07  1:45   ` Greg KH
2023-12-07 16:05     ` Hugo Villeneuve
2023-11-30 19:10 ` [PATCH 2/7] serial: sc16is7xx: remove global regmap from struct sc16is7xx_port Hugo Villeneuve
2023-11-30 19:10 ` [PATCH 3/7] serial: sc16is7xx: remove unused line structure member Hugo Villeneuve
2023-11-30 19:10 ` Hugo Villeneuve [this message]
2023-11-30 19:10 ` [PATCH 5/7] serial: sc16is7xx: improve sc16is7xx_regmap_name() buffer size computation Hugo Villeneuve
2023-11-30 19:10 ` [PATCH 6/7] serial: max310x: add macro for max number of ports Hugo Villeneuve
2023-12-01 15:59   ` Jan Kundrát
2023-11-30 19:10 ` [PATCH 7/7] serial: max310x: use separate regmap name for each port Hugo Villeneuve
2023-12-01 16:00   ` Jan Kundrát
2023-12-06 14:22   ` kernel test robot

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