From 968f674c668d6a2c43a5720f2ec1cff44dae2bad Mon Sep 17 00:00:00 2001
From: Richard Wheatley <richard.wheatley@ambiq.com>
Date: Thu, 5 Sep 2024 16:44:02 -0500
Subject: [PATCH] drivers: serial: ambiq uart update

The number of modules is different for each soc.
There is a macro in the HAL that should have been used.

Signed-off-by: Richard Wheatley <richard.wheatley@ambiq.com>
---
 drivers/serial/uart_pl011_ambiq.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/serial/uart_pl011_ambiq.h b/drivers/serial/uart_pl011_ambiq.h
index 181a020614a..5efb0e5e62c 100644
--- a/drivers/serial/uart_pl011_ambiq.h
+++ b/drivers/serial/uart_pl011_ambiq.h
@@ -69,7 +69,7 @@ typedef struct {
 	uint32_t regIFLS;
 	uint32_t regIER;
 } uart_register_state_t;
-static uart_register_state_t sRegState[2];
+static uart_register_state_t sRegState[AM_REG_UART_NUM_MODULES];
 
 static int uart_ambiq_pm_action(const struct device *dev, enum pm_device_action action)
 {