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firmware: arm_scpi: allow firmware with get_capabilities not implemented 

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>
hifive-unleashed-5.1
Neil Armstrong 2016-10-19 14:51:09 +02:00 committed by Sudeep Holla
parent 4dfe32d5cd
commit abd3e80545
1 changed files with 4 additions and 0 deletions
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4
drivers/firmware/arm_scpi.c
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@ -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;
}