diff options
Diffstat (limited to 'src/southbridge/intel/lynxpoint/lpc.c')
| -rw-r--r-- | src/southbridge/intel/lynxpoint/lpc.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/southbridge/intel/lynxpoint/lpc.c b/src/southbridge/intel/lynxpoint/lpc.c index d1a7203041..451aeabc2e 100644 --- a/src/southbridge/intel/lynxpoint/lpc.c +++ b/src/southbridge/intel/lynxpoint/lpc.c @@ -745,7 +745,14 @@ static void set_subsystem(device_t dev, unsigned vendor, unsigned device) static unsigned long southbridge_fill_ssdt(unsigned long current, const char *oem_table_id) { - global_nvs_t *gnvs = cbmem_add (CBMEM_ID_ACPI_GNVS, sizeof (*gnvs)); + global_nvs_t *gnvs; + + gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS); + if (!gnvs) { + gnvs = cbmem_add(CBMEM_ID_ACPI_GNVS, sizeof (*gnvs)); + if (gnvs) + memset(gnvs, 0, sizeof(*gnvs)); + } if (gnvs) { int scopelen; |