From: narmstrong@baylibre.com (Neil Armstrong)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 3/8] scpi: Do not fail if get_capabilities is not implemented
Date: Wed, 5 Oct 2016 09:33:29 +0200 [thread overview]
Message-ID: <1475652814-30619-4-git-send-email-narmstrong@baylibre.com> (raw)
In-Reply-To: <1475652814-30619-1-git-send-email-narmstrong@baylibre.com>
On Amlogic SCPI legacy implementation, the GET_CAPABILITIES is not
supported, failover by using 0.0.0 version.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.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 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
next prev parent reply other threads:[~2016-10-05 7:33 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-05 7:33 [PATCH v4 0/8] Add support for legacy SCPI protocol Neil Armstrong
2016-10-05 7:33 ` [PATCH v4 1/8] scpi: Add cmd indirection table to prepare for legacy commands Neil Armstrong
2016-10-05 7:33 ` [PATCH v4 2/8] scpi: Add alternative legacy structures, functions and macros Neil Armstrong
2016-10-10 14:36 ` Sudeep Holla
2016-10-17 8:25 ` Neil Armstrong
2016-10-17 11:16 ` Sudeep Holla
2016-10-19 10:28 ` Neil Armstrong
2016-10-19 10:37 ` Sudeep Holla
2016-10-19 10:42 ` Sudeep Holla
2016-10-05 7:33 ` Neil Armstrong [this message]
2016-10-05 7:33 ` [PATCH v4 4/8] scpi: Add support for Legacy match table for Amlogic GXBB SoC Neil Armstrong
2016-10-05 7:33 ` [PATCH v4 5/8] scpi: grow MAX_DVFS_OPPS to 16 entries Neil Armstrong
2016-10-05 7:33 ` [PATCH v4 6/8] dt-bindings: Add support for Amlogic GXBB SCPI Interface Neil Armstrong
2016-10-29 18:39 ` Olof Johansson
2016-11-02 22:20 ` Sudeep Holla
2016-11-03 3:51 ` Rob Herring
2016-11-03 4:37 ` Sudeep Holla
2016-11-03 8:48 ` Neil Armstrong
2016-10-05 7:33 ` [PATCH v4 7/8] ARM64: dts: meson-gxbb: Add SRAM node Neil Armstrong
2016-10-05 7:33 ` [PATCH v4 8/8] ARM64: dts: meson-gxbb: Add SCPI with cpufreq & sensors Nodes Neil Armstrong
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