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/linux-4.4.14/drivers/tty/serial/
Dfsl_lpuart.c1209 unsigned int sbr, brfa; in lpuart_set_termios() local
1320 brfa = ((sport->port.uartclk - (16 * sbr * baud)) * 2) / baud; in lpuart_set_termios()
1324 brfa &= UARTCR4_BRFA_MASK; in lpuart_set_termios()
1325 writeb(cr4 | brfa, sport->port.membase + UARTCR4); in lpuart_set_termios()
1604 unsigned char cr, bdh, bdl, brfa; in lpuart_console_get_options() local
1635 brfa = readb(sport->port.membase + UARTCR4); in lpuart_console_get_options()
1636 brfa &= UARTCR4_BRFA_MASK; in lpuart_console_get_options()
1642 baud_raw = uartclk / (16 * (sbr + brfa / 32)); in lpuart_console_get_options()