465 	 * The baudrate is derived from the UART clock thanks to divisors:  in mvebu_uart_baud_rate_set()
470 	 * Exact formulas for calculating baudrate:  in mvebu_uart_baud_rate_set()
473 	 *   baudrate = xtal / (d * 16)  in mvebu_uart_baud_rate_set()
474 	 *   baudrate = tbg / (d1 * d2 * d * 16)  in mvebu_uart_baud_rate_set()
477 	 *   baudrate = 10 * xtal / (d * (3 * (m1 + m2) + 2 * (m3 + m4)))  in mvebu_uart_baud_rate_set()
478 	 *   baudrate = 10 * tbg / (d1*d2 * d * (3 * (m1 + m2) + 2 * (m3 + m4)))  in mvebu_uart_baud_rate_set()
486 	 * To simplify baudrate setup set all the M prescalers to the same  in mvebu_uart_baud_rate_set()
494 	 * so use M only when D divisor is not enough to derive baudrate.  in mvebu_uart_baud_rate_set()
574 	/* In case baudrate cannot be changed, report previous old value */  in mvebu_uart_set_termios()
1078 	 * divisors in their address spaces, so that final baudrate will not be  in mvebu_uart_clock_prepare()
1081 	 * UART baudrate does not change during this setup. It is a one time  in mvebu_uart_clock_prepare()
1084 	 * register (UART_BRDV) is shared between UART1 baudrate function,  in mvebu_uart_clock_prepare()
1121 	/* Recalculate UART1 divisor so UART1 baudrate does not change */  in mvebu_uart_clock_prepare()
1149 	/* Recalculate UART2 divisor so UART2 baudrate does not change */  in mvebu_uart_clock_prepare()
1422 			 * still can provide 9600 baudrate.  in mvebu_uart_clock_probe()
1445 		/* Skip clock source which cannot provide 9600 baudrate */  in mvebu_uart_clock_probe()