diff options
Diffstat (limited to 'drivers/firmware/arm_scmi')
| -rw-r--r-- | drivers/firmware/arm_scmi/smc.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/firmware/arm_scmi/smc.c b/drivers/firmware/arm_scmi/smc.c index 833e793b5391..49bc4b0e8428 100644 --- a/drivers/firmware/arm_scmi/smc.c +++ b/drivers/firmware/arm_scmi/smc.c @@ -114,7 +114,10 @@ static int smc_send_message(struct scmi_chan_info *cinfo, mutex_unlock(&scmi_info->shmem_lock); - return res.a0; + /* Only SMCCC_RET_NOT_SUPPORTED is valid error code */ + if (res.a0) + return -EOPNOTSUPP; + return 0; } static void smc_fetch_response(struct scmi_chan_info *cinfo, |