From: Hugo Villeneuve Date: Thu, 18 Jan 2024 15:22:03 +0000 (-0500) Subject: serial: max310x: add macro for max number of ports X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=dbaa0083896cb44d2b9023c04fc15d1324c88d10;p=linux.git serial: max310x: add macro for max number of ports Add macro to hold the maximum number of UART ports per IC/device. Reviewed-by: Andy Shevchenko Reviewed-by: Jan Kundrát Tested-by: Jan Kundrát Link: https://lore.kernel.org/all/ddbc67dd-f8a3-4a6a-954a-bee49260ecab@cesnet.cz/ Signed-off-by: Hugo Villeneuve Link: https://lore.kernel.org/r/20240118152213.2644269-8-hugo@hugovil.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c index 21f2fa3a91e5b..6549eee4f6a61 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; @@ -1604,7 +1605,7 @@ static int max310x_i2c_probe(struct i2c_client *client) { const struct max310x_devtype *devtype; struct i2c_client *port_client; - struct regmap *regmaps[4]; + struct regmap *regmaps[MAX310X_MAX_PORTS]; unsigned int i; u8 port_addr;