diff mbox

[v5,4/8] firmware: arm_scpi: allow firmware with get_capabilities not implemented

Message ID 1478148731-11712-5-git-send-email-sudeep.holla@arm.com
State Accepted
Commit abd3e80545c184f2b472f7527ae8eda34bd59f2d
Headers show

Commit Message

Sudeep Holla Nov. 3, 2016, 4:52 a.m. UTC 
From: Neil Armstrong <narmstrong@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@baylibre.com>

[sudeep.holla@arm.com: changed the subject]
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>

---
 drivers/firmware/arm_scpi.c | 4 ++++
 1 file changed, 4 insertions(+)

-- 
1.9.1


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diff mbox

Patch

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;
 }