diff options
Diffstat (limited to '')
| -rw-r--r-- | c/src/libchip/serial/ns16550_p.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/c/src/libchip/serial/ns16550_p.h b/c/src/libchip/serial/ns16550_p.h index 27c3502a0d..6ed71d9c8b 100644 --- a/c/src/libchip/serial/ns16550_p.h +++ b/c/src/libchip/serial/ns16550_p.h @@ -132,7 +132,8 @@ typedef struct _SP_INTERRUPT_ID { * Line speed divisor definition. */ -#define NS16550_Baud(baud_rate) (115200/baud_rate) +#define NS16550_Baud(_clock, _baud_rate) \ + ((((_clock) == 0) ? 115200 : (_clock))/(_baud_rate)) /* * Define serial port modem control register structure. |