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.
Link: https://lore.kernel.org/r/20220330150551.2573938-13-cristian.marussi@arm.com
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
u32 latency = 0;
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)
latency = le32_to_cpu(attr->clock_enable_latency);
clk->enable_latency = latency ? : U32_MAX;
}