On Amlogic SCPI legacy implementation, the GET_CAPABILITIES is not
supported, failover by using 0.0.0 version.

Signed-off-by: Neil Armstrong <narmstr...@baylibre.com>
---
 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 2982bc7..9022336 100644
--- a/drivers/firmware/arm_scpi.c
+++ b/drivers/firmware/arm_scpi.c
@@ -783,6 +783,10 @@ 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

Reply via email to