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/xnu-12377.61.12/pexpert/arm/
H A Dpe_serial.c310 for (int _sample_rate = kMaxSampleRate; _sample_rate >= kMinSampleRate; _sample_rate--) { in apple_uart_set_baud_rate() local
311 const float ideal_ubr_div = (kSourceClock / (baud_rate * _sample_rate)) - 1; in apple_uart_set_baud_rate()
315 sample_rate = _sample_rate; in apple_uart_set_baud_rate()
322 const float higher_baud_rate = kSourceClock / ((ubr_div_rounded_down + 1) * _sample_rate); in apple_uart_set_baud_rate()
323 const float lower_baud_rate = kSourceClock / ((ubr_div_rounded_up + 1) * _sample_rate); in apple_uart_set_baud_rate()
326 sample_rate = _sample_rate; in apple_uart_set_baud_rate()
332 sample_rate = _sample_rate; in apple_uart_set_baud_rate()