Commit 80b8c501 authored by Erwan Gouriou's avatar Erwan Gouriou Committed by Anas Nashif
Browse files

drivers/serial: stm32: simplify check of TEACK/REACK flags 



Remove reference to SoC series in activation of TEACK/REACK flags
checks. Use flags definitions instead which is defined, if supported,
in STM32Cube packages.
Decouple the checks since REACK is not supported in some series.

Signed-off-by: default avatarErwan Gouriou <erwan.gouriou@linaro.org>
parent 03f2eb7f

drivers/serial/uart_stm32.c

+10 −5
Original line number Diff line number Diff line
@@ -331,12 +331,17 @@ static int uart_stm32_init(struct device *dev) 


	LL_USART_Enable(UartInstance);



#if !defined(CONFIG_SOC_SERIES_STM32F4X) && !defined(CONFIG_SOC_SERIES_STM32F1X)

	/* Polling USART initialisation */

	while ((!(LL_USART_IsActiveFlag_TEACK(UartInstance))) ||

	      (!(LL_USART_IsActiveFlag_REACK(UartInstance))))

#ifdef USART_ISR_TEACK

	/* Wait until TEACK flag is set */

	while (!(LL_USART_IsActiveFlag_TEACK(UartInstance)))

		;

#endif /* !CONFIG_SOC_SERIES_STM32F4X */

#endif /* !USART_ISR_TEACK */



#ifdef USART_ISR_REACK

	/* Wait until TEACK flag is set */

	while (!(LL_USART_IsActiveFlag_REACK(UartInstance)))

		;

#endif /* !USART_ISR_REACK */



#ifdef CONFIG_UART_INTERRUPT_DRIVEN

	config->uconf.irq_config_func(dev);

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