dm: serial: Move baud rate calculation to ns16550.c

[karo-tx-uboot.git] / drivers / serial / serial_ns16550.c

diff --git a/drivers/serial/serial_ns16550.c b/drivers/serial/serial_ns16550.c
index dafeed742df49e7d56bf2774314ea535c228be22..632da4cf70bb93c15c2a84a93815b6b6078c06c4 100644 (file)
--- a/drivers/serial/serial_ns16550.c
+++ b/drivers/serial/serial_ns16550.c
@@ -81,7 +81,8 @@ static NS16550_t serial_ports[6] = {
        static int  eserial##port##_init(void) \
        { \
                int clock_divisor; \
-               clock_divisor = calc_divisor(serial_ports[port-1]); \
+               clock_divisor = ns16550_calc_divisor(serial_ports[port-1], \
+                               CONFIG_SYS_NS16550_CLK, gd->baudrate); \
                NS16550_init(serial_ports[port-1], clock_divisor); \
                return 0 ; \
        } \
@@ -118,14 +119,6 @@ static NS16550_t serial_ports[6] = {
        .puts   = eserial##port##_puts,         \
 }
 
-static int calc_divisor (NS16550_t port)
-{
-       const unsigned int mode_x_div = 16;
-
-       return DIV_ROUND_CLOSEST(CONFIG_SYS_NS16550_CLK,
-                                               mode_x_div * gd->baudrate);
-}
-
 void
 _serial_putc(const char c,const int port)
 {
@@ -167,7 +160,8 @@ _serial_setbrg (const int port)
 {
        int clock_divisor;
 
-       clock_divisor = calc_divisor(PORT);
+       clock_divisor = ns16550_calc_divisor(PORT, CONFIG_SYS_NS16550_CLK,
+                                            gd->baudrate);
        NS16550_reinit(PORT, clock_divisor);
 }