diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/hpet.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index 8711f1fdef8f..3a8ec363d569 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -22,9 +22,17 @@ struct hpet_dev { char name[10]; }; +enum hpet_mode { + HPET_MODE_UNUSED, + HPET_MODE_LEGACY, + HPET_MODE_CLOCKEVT, + HPET_MODE_DEVICE, +}; + struct hpet_channel { unsigned int num; unsigned int irq; + enum hpet_mode mode; unsigned int boot_cfg; }; @@ -947,6 +955,9 @@ int __init hpet_enable(void) if (id & HPET_ID_LEGSUP) { hpet_legacy_clockevent_register(); + hpet_base.channels[0].mode = HPET_MODE_LEGACY; + if (IS_ENABLED(CONFIG_HPET_EMULATE_RTC)) + hpet_base.channels[1].mode = HPET_MODE_LEGACY; return 1; } return 0; |