diff options
Diffstat (limited to 'hw/isa/lpc_ich9.c')
| -rw-r--r-- | hw/isa/lpc_ich9.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/isa/lpc_ich9.c b/hw/isa/lpc_ich9.c index b3e0b1fd52..341a727f9f 100644 --- a/hw/isa/lpc_ich9.c +++ b/hw/isa/lpc_ich9.c @@ -375,6 +375,9 @@ static void ich9_apm_ctrl_changed(uint32_t val, void *arg) acpi_pm1_cnt_update(&lpc->pm.acpi_regs, val == ICH9_APM_ACPI_ENABLE, val == ICH9_APM_ACPI_DISABLE); + if (val == ICH9_APM_ACPI_ENABLE || val == ICH9_APM_ACPI_DISABLE) { + return; + } /* SMI_EN = PMBASE + 30. SMI control and enable register */ if (lpc->pm.smi_en & ICH9_PMIO_SMI_EN_APMC_EN) { |