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Diffstat (limited to 'src/southbridge/intel/lynxpoint/lpc.c')
-rw-r--r--src/southbridge/intel/lynxpoint/lpc.c9
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;