[PATCH v5 4/8] firmware: arm_scpi: allow firmware with get_capabilities not implemented
Sudeep Holla
sudeep.holla at arm.com
Wed Nov 2 21:52:07 PDT 2016
From: Neil Armstrong <narmstrong at baylibre.com>
On Amlogic SCPI legacy implementation, the GET_CAPABILITIES command is
not supported, failover by using 0.0.0 version.
Signed-off-by: Neil Armstrong <narmstrong at baylibre.com>
[sudeep.holla at arm.com: changed the subject]
Signed-off-by: Sudeep Holla <sudeep.holla at arm.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 2982bc7b8c33..902233642bd3 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
More information about the linux-amlogic
mailing list