diff options
Diffstat (limited to 'src/soc/intel/skylake/acpi.c')
| -rw-r--r-- | src/soc/intel/skylake/acpi.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/soc/intel/skylake/acpi.c b/src/soc/intel/skylake/acpi.c index 4892656b89..c01066f7fb 100644 --- a/src/soc/intel/skylake/acpi.c +++ b/src/soc/intel/skylake/acpi.c @@ -573,11 +573,15 @@ void southcluster_inject_dsdt(device_t device) /* Save wake source information for calculating ACPI _SWS values */ int soc_fill_acpi_wake(uint32_t *pm1, uint32_t **gpe0) { - struct chipset_power_state *ps = cbmem_find(CBMEM_ID_POWER_STATE); + struct chipset_power_state *ps; static uint32_t gpe0_sts[GPE0_REG_MAX]; uint32_t pm1_en; int i; + ps = cbmem_find(CBMEM_ID_POWER_STATE); + if (ps == NULL) + return -1; + /* PM1_EN state is lost in Deep S3 so enable basic wake events */ pm1_en = ps->pm1_en | PCIEXPWAK_STS | RTC_STS | PWRBTN_STS | BM_STS; *pm1 = ps->pm1_sts & pm1_en; |