summaryrefslogtreecommitdiff
path: root/drivers/tty/serial
diff options
context:
space:
mode:
authorHugo Villeneuve <hvilleneuve@dimonoff.com>2023-12-22 02:18:17 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-01-04 18:30:04 +0300
commitacd7f118b3b5466549e351331bedb50a6027d8d1 (patch)
tree49ea39e217ed0761b6252cf4d433608eec5f2d65 /drivers/tty/serial
parentd9ffadaf9df1c8f416a8308f8995c2f8de4cbc7f (diff)
downloadlinux-acd7f118b3b5466549e351331bedb50a6027d8d1.tar.xz
serial: sc16is7xx: add macro for max number of UART ports
Add macro to hold the maximum number of UART ports per IC/device. Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com> Link: https://lore.kernel.org/r/20231221231823.2327894-11-hugo@hugovil.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial')
-rw-r--r--drivers/tty/serial/sc16is7xx.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c
index b73fac209f1e..6181cc6f934b 100644
--- a/drivers/tty/serial/sc16is7xx.c
+++ b/drivers/tty/serial/sc16is7xx.c
@@ -29,6 +29,7 @@
#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 */
@@ -1398,7 +1399,7 @@ 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");
@@ -1425,7 +1426,7 @@ 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");
@@ -1727,7 +1728,7 @@ 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;
@@ -1798,7 +1799,7 @@ MODULE_ALIAS("spi:sc16is7xx");
static int sc16is7xx_i2c_probe(struct i2c_client *i2c)
{
const struct sc16is7xx_devtype *devtype;
- struct regmap *regmaps[2];
+ struct regmap *regmaps[SC16IS7XX_MAX_PORTS];
unsigned int i;
devtype = i2c_get_match_data(i2c);