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drivers: serial: gecko: add hw flow control support for EFR32 Series 2

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Add hardware flow control support for the EFR32MG21 and other modules
using GPIO_USART_ROUTEEN_RTSPEN (and GPIO_USART_ROUTEEN_CTSEN) instead
of the Kconfig SOC_GECKO_HAS_INDIVIDUAL_PIN_LOCATION.

The driver already contained the section settings the RTS and CTS pins
for modules using the GPIO_USART_ROUTEEN_(RTS|CTS)PEN define, but it was
not compiling because of an #ifdef checking only for
CONFIG_SOC_GECKO_HAS_INDIVIDUAL_PIN_LOCATION and not both.

Signed-off-by: Steven Lemaire <steven.lemaire@zii.aero>
This commit is contained in:
Steven Lemaire 2021-09-24 13:26:22 +02:00 • committed by Carles Cufí
commit cc5f769436
1 changed files with 2 additions and 1 deletions
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3
drivers/serial/uart_gecko.c
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@ -52,7 +52,8 @@ but not supported by this SOC"
#endif #endif
#if defined(UART_GECKO_HW_FLOW_CONTROL) && \ #if defined(UART_GECKO_HW_FLOW_CONTROL) && \
(!defined(CONFIG_SOC_GECKO_HAS_INDIVIDUAL_PIN_LOCATION)) (!defined(CONFIG_SOC_GECKO_HAS_INDIVIDUAL_PIN_LOCATION) && \
!defined(GPIO_USART_ROUTEEN_RTSPEN))
#error "Driver not supporting hardware flow control for this SOC" #error "Driver not supporting hardware flow control for this SOC"
#endif #endif