From: Neil Armstrong Date: Wed, 19 Oct 2016 12:51:09 +0000 (+0200) Subject: firmware: arm_scpi: allow firmware with get_capabilities not implemented X-Git-Tag: v4.13~1670^2~2^2~4 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=abd3e80545c184f2b472f7527ae8eda34bd59f2d;p=mirror_ubuntu-bionic-kernel.git 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 [sudeep.holla@arm.com: changed the subject] Signed-off-by: Sudeep Holla --- 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; }