From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sudeep Holla Subject: [PATCH v5 4/8] firmware: arm_scpi: allow firmware with get_capabilities not implemented Date: Wed, 2 Nov 2016 22:52:07 -0600 Message-ID: <1478148731-11712-5-git-send-email-sudeep.holla@arm.com> References: <1478148731-11712-1-git-send-email-sudeep.holla@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1478148731-11712-1-git-send-email-sudeep.holla@arm.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Neil Armstrong Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Sudeep Holla , Olof Johansson , linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.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@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