From mboxrd@z Thu Jan 1 00:00:00 1970 From: sudeep.holla@arm.com (Sudeep Holla) Date: Wed, 2 Nov 2016 22:52:07 -0600 Subject: [PATCH v5 4/8] firmware: arm_scpi: allow firmware with get_capabilities not implemented In-Reply-To: <1478148731-11712-1-git-send-email-sudeep.holla@arm.com> References: <1478148731-11712-1-git-send-email-sudeep.holla@arm.com> Message-ID: <1478148731-11712-5-git-send-email-sudeep.holla@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Neil Armstrong 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 at arm.com: changed the subject] Signed-off-by: Sudeep Holla --- 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