Messages in this thread Patch in this message | | | From | Cristian Marussi <> | Subject | [PATCH 12/22] firmware: arm_scmi: Parse clock_enable_latency conditionally | Date | Wed, 30 Mar 2022 16:05:41 +0100 |
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The clock_enable_latency field in CLOCK_ATTRIBUTES response message has been added only since SCMI v3.1: use the advertised SCMI Clock protocol version as a proper condition check for parsing it, instead of the bare message length lookup.
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> --- drivers/firmware/arm_scmi/clock.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/firmware/arm_scmi/clock.c b/drivers/firmware/arm_scmi/clock.c index 6dd4150b761b..b46b43a99871 100644 --- a/drivers/firmware/arm_scmi/clock.c +++ b/drivers/firmware/arm_scmi/clock.c @@ -130,8 +130,8 @@ static int scmi_clock_attributes_get(const struct scmi_protocol_handle *ph, if (!ret) { attributes = le32_to_cpu(attr->attributes); strlcpy(clk->name, attr->name, SCMI_MAX_STR_SIZE); - /* Is optional field clock_enable_latency provided ? */ - if (t->rx.len == sizeof(*attr)) + /* clock_enable_latency field is present only since SCMI v3.1 */ + if (PROTOCOL_REV_MAJOR(version) >= 0x2) clk->enable_latency = le32_to_cpu(attr->clock_enable_latency); } -- 2.32.0
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