diff options
Diffstat (limited to 'arch/i386/kernel/i8253.c')
| -rw-r--r-- | arch/i386/kernel/i8253.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/i386/kernel/i8253.c b/arch/i386/kernel/i8253.c index 931eabe1e560..bde249dda94d 100644 --- a/arch/i386/kernel/i8253.c +++ b/arch/i386/kernel/i8253.c @@ -47,9 +47,12 @@ static void init_pit_timer(enum clock_event_mode mode, case CLOCK_EVT_MODE_SHUTDOWN: case CLOCK_EVT_MODE_UNUSED: - outb_p(0x30, PIT_MODE); - outb_p(0, PIT_CH0); /* LSB */ - outb_p(0, PIT_CH0); /* MSB */ + if (evt->mode == CLOCK_EVT_MODE_PERIODIC || + evt->mode == CLOCK_EVT_MODE_ONESHOT) { + outb_p(0x30, PIT_MODE); + outb_p(0, PIT_CH0); + outb_p(0, PIT_CH0); + } break; case CLOCK_EVT_MODE_ONESHOT: |