diff options
| -rw-r--r-- | power/haswell.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/power/haswell.c b/power/haswell.c index 95823ae418..4bc83c5ff6 100644 --- a/power/haswell.c +++ b/power/haswell.c @@ -129,6 +129,8 @@ enum x86_state x86_chipset_init(void) */ if (system_jumped_to_this_image()) { if ((x86_get_signals() & IN_ALL_S0) == IN_ALL_S0) { + /* Disable idle task deep sleep when in S0. */ + disable_sleep(SLEEP_MASK_AP_RUN); CPRINTF("[%T x86 already in S0]\n"); return X86_S0; } else { |