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stm32: Fix typo that broke selection of alternate serial port pin
Fix a typo in commit aea15250.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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@@ -19,7 +19,7 @@
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#define USARTx USART1
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#define USARTx_IRQn USART1_IRQn
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#elif CONFIG_SERIAL_PORT == 2
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#if STM32_SERIAL_USART2_ALT
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#if CONFIG_STM32_SERIAL_USART2_ALT
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DECL_CONSTANT_STR("RESERVE_PINS_serial", "PA15,PA14");
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#define GPIO_Rx GPIO('A', 15)
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#define GPIO_Tx GPIO('A', 14)
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