From mboxrd@z Thu Jan 1 00:00:00 1970 From: narmstrong@baylibre.com (Neil Armstrong) Date: Wed, 5 Oct 2016 09:33:29 +0200 Subject: [PATCH v4 3/8] scpi: Do not fail if get_capabilities is not implemented In-Reply-To: <1475652814-30619-1-git-send-email-narmstrong@baylibre.com> References: <1475652814-30619-1-git-send-email-narmstrong@baylibre.com> Message-ID: <1475652814-30619-4-git-send-email-narmstrong@baylibre.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Amlogic SCPI legacy implementation, the GET_CAPABILITIES is not supported, failover by using 0.0.0 version. Signed-off-by: Neil Armstrong --- 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 6244eb1..1fb3bbf 100644 --- a/drivers/firmware/arm_scpi.c +++ b/drivers/firmware/arm_scpi.c @@ -807,6 +807,10 @@ 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