On Amlogic SCPI legacy implementation, the GET_CAPABILITIES is not supported, failover by using 0.0.0 version.
Signed-off-by: Neil Armstrong <[email protected]> --- drivers/firmware/arm_scpi.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/firmware/arm_scpi.c b/drivers/firmware/arm_scpi.c index 6244eb1..1fb3bbf 100644 --- a/drivers/firmware/arm_scpi.c +++ b/drivers/firmware/arm_scpi.c @@ -807,6 +807,10 @@ static int scpi_init_versions(struct scpi_drvinfo *info) info->protocol_version = le32_to_cpu(caps.protocol_version); info->firmware_version = le32_to_cpu(caps.platform_version); } + /* Ignore error if not implemented */ + if (scpi_info->is_legacy && ret == -EOPNOTSUPP) + return 0; + return ret; } -- 1.9.1
