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-rw-r--r--arch/powerpc/kernel/udbg_16550.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/udbg_16550.c b/arch/powerpc/kernel/udbg_16550.c
index 5d29dcca523c..2d17f2b8eda7 100644
--- a/arch/powerpc/kernel/udbg_16550.c
+++ b/arch/powerpc/kernel/udbg_16550.c
@@ -8,7 +8,6 @@
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
-#include <linux/config.h>
#include <linux/types.h>
#include <asm/udbg.h>
#include <asm/io.h>
@@ -82,10 +81,14 @@ static int udbg_550_getc(void)
void udbg_init_uart(void __iomem *comport, unsigned int speed,
unsigned int clock)
{
- unsigned int dll, base_bauds = clock / 16;
+ unsigned int dll, base_bauds;
+ if (clock == 0)
+ clock = 1843200;
if (speed == 0)
speed = 9600;
+
+ base_bauds = clock / 16;
dll = base_bauds / speed;
if (comport) {
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