Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1514284

[PATCH v5 4/8] firmware: arm_scpi: allow firmware with get_capabilities not implemented

From Sudeep Holla <sudeep.holla@arm.com>
Newsgroups linux.kernel
Subject [PATCH v5 4/8] firmware: arm_scpi: allow firmware with get_capabilities not implemented
Date 2016-11-03 06:00 +0100
Message-ID <szii6-7CH-21@gated-at.bofh.it> (permalink)
References <szii5-7CH-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


From: Neil Armstrong <narmstrong@baylibre.com>

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>
---
 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

Back to linux.kernel | Previous | Next | Find similar | Unroll thread


Thread

[PATCH v5 4/8] firmware: arm_scpi: allow firmware with get_capabilities not implemented Sudeep Holla <sudeep.holla@arm.com> - 2016-11-03 06:00 +0100

csiph-web