From: narmstrong@baylibre.com (Neil Armstrong)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 3/8] scpi: Do not fail if get_capabilities is not implemented
Date: Wed, 7 Sep 2016 17:34:32 +0200 [thread overview]
Message-ID: <1473262477-18045-4-git-send-email-narmstrong@baylibre.com> (raw)
In-Reply-To: <1473262477-18045-1-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 9ba1020..6a16100 100644
--- a/drivers/firmware/arm_scpi.c
+++ b/drivers/firmware/arm_scpi.c
@@ -891,6 +891,10 @@ 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:[~2016-09-07 15:34 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-07 15:34 [PATCH v3 0/8] scpi: Add support for legacy SCPI protocol Neil Armstrong
2016-09-07 15:34 ` [PATCH v3 1/8] scpi: Add cmd indirection table to prepare for legacy commands Neil Armstrong
2016-09-19 14:41 ` Sudeep Holla
2016-09-19 15:03 ` Neil Armstrong
2016-09-07 15:34 ` [PATCH v3 2/8] scpi: Add alternative legacy structures, functions and macros Neil Armstrong
2016-09-19 15:24 ` Sudeep Holla
2016-10-04 12:04 ` Neil Armstrong
2016-09-07 15:34 ` Neil Armstrong [this message]
2016-09-07 15:34 ` [PATCH v3 4/8] scpi: Add support for Legacy match table for Amlogic GXBB SoC Neil Armstrong
2016-09-19 15:50 ` Sudeep Holla
2016-09-19 15:51 ` Sudeep Holla
2016-09-07 15:34 ` [PATCH v3 5/8] scpi: grow MAX_DVFS_OPPS to 16 entries Neil Armstrong
2016-09-07 15:34 ` [PATCH v3 6/8] dt-bindings: Add support for Amlogic GXBB SCPI Interface Neil Armstrong
2016-09-07 15:34 ` [PATCH v3 7/8] ARM64: dts: meson-gxbb: Add SRAM node Neil Armstrong
2016-09-07 15:34 ` [PATCH v3 8/8] ARM64: dts: meson-gxbb: Add SCPI with cpufreq & sensors Nodes Neil Armstrong
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