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| Started by | Neil Armstrong <narmstrong@baylibre.com> |
|---|---|
| First post | 2016-10-19 16:30 +0200 |
| Last post | 2016-10-19 16:30 +0200 |
| Articles | 1 — 1 participant |
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[PATCH v5 2/5] scpi: Do not fail if get_capabilities is not implemented Neil Armstrong <narmstrong@baylibre.com> - 2016-10-19 16:30 +0200
| From | Neil Armstrong <narmstrong@baylibre.com> |
|---|---|
| Date | 2016-10-19 16:30 +0200 |
| Subject | [PATCH v5 2/5] scpi: Do not fail if get_capabilities is not implemented |
| Message-ID | <su02u-2rf-63@gated-at.bofh.it> |
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 2982bc7..9022336 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
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