STM pin_function(), pin_mode(): return immediately when given pin is NC
Additionally, remove redundant pin checks against NC when above functions are used. |
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targets/TARGET_STM/can_api.c |
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targets/TARGET_STM/pinmap.c |
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targets/TARGET_STM/serial_api.c |
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targets/TARGET_STM/stm_spi_api.c |
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