drivers: serial: stm32: Move boot-time config to data
Move reset configuration from uart_stm32_data to
const uart_stm32_config struct, as this is set once at boot and isn't
modified during runtime.
Signed-off-by: Kenneth J. Miller <ken@miller.ec>
diff --git a/drivers/serial/uart_stm32.c b/drivers/serial/uart_stm32.c
index 47149a1..8f74bf2 100644
--- a/drivers/serial/uart_stm32.c
+++ b/drivers/serial/uart_stm32.c
@@ -1853,13 +1853,13 @@
LL_USART_Disable(config->usart);
- if (!device_is_ready(data->reset.dev)) {
+ if (!device_is_ready(config->reset.dev)) {
LOG_ERR("reset controller not ready");
return -ENODEV;
}
/* Reset UART to default state using RCC */
- (void)reset_line_toggle_dt(&data->reset);
+ (void)reset_line_toggle_dt(&config->reset);
/* TX/RX direction */
LL_USART_SetTransferDirection(config->usart,
@@ -2143,6 +2143,7 @@
\
static const struct uart_stm32_config uart_stm32_cfg_##index = { \
.usart = (USART_TypeDef *)DT_INST_REG_ADDR(index), \
+ .reset = RESET_DT_SPEC_GET(DT_DRV_INST(index)), \
.pclken = pclken_##index, \
.pclk_len = DT_INST_NUM_CLOCKS(index), \
.hw_flow_control = DT_INST_PROP(index, hw_flow_control), \
@@ -2162,7 +2163,6 @@
\
static struct uart_stm32_data uart_stm32_data_##index = { \
.baud_rate = DT_INST_PROP(index, current_speed), \
- .reset = RESET_DT_SPEC_GET(DT_DRV_INST(index)), \
UART_DMA_CHANNEL(index, rx, RX, PERIPHERAL, MEMORY) \
UART_DMA_CHANNEL(index, tx, TX, MEMORY, PERIPHERAL) \
}; \
