diff --git a/arch/x86/lib/i8254.c b/arch/x86/lib/i8254.c index 0f975389103..a8d1db188ec 100644 --- a/arch/x86/lib/i8254.c +++ b/arch/x86/lib/i8254.c @@ -7,6 +7,7 @@ #include #include #include +#include #define TIMER1_VALUE 18 /* 15.6us */ #define BEEP_FREQUENCY_HZ 440