diff options
| -rw-r--r-- | chip/npcx/espi.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/chip/npcx/espi.c b/chip/npcx/espi.c index d64a22860d..4cf5b0e80d 100644 --- a/chip/npcx/espi.c +++ b/chip/npcx/espi.c @@ -274,6 +274,9 @@ void espi_wait_vw_not_dirty(enum espi_vw_signal signal, unsigned int timeout_us) uint64_t timeout; sig_idx = espi_vw_get_signal_index(signal); + /* Cannot find signal index */ + if (sig_idx < 0) + return; for (offset = 0; offset < ESPI_VWEVSM_NUM; offset++) { uint8_t vw_idx = VWEVSM_IDX_GET(NPCX_VWEVSM(offset)); |