diff options
| author | Ulf Hansson <ulf.hansson@linaro.org> | 2023-06-07 14:23:53 +0200 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2023-06-07 14:23:53 +0200 |
| commit | 976c6b9f48d02a5c57a7a9fcbd0893a1ee889093 (patch) | |
| tree | ee7b0079b0b66e9d7997cd5588f63bd747122fa6 | |
| parent | 389c1ee73e93af2fee6488ddaad7336897ceb0e4 (diff) | |
firmware: arm_scmi: Extend perf protocol ops to inform of set level support
As a subsequent change show, it's useful for an scmi module driver to know
if a performance domain can support the set level operation, hence let's
make this available by adding a new perf protocol callback.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
| -rw-r--r-- | drivers/firmware/arm_scmi/perf.c | 10 | ||||
| -rw-r--r-- | include/linux/scmi_protocol.h | 1 |
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/firmware/arm_scmi/perf.c b/drivers/firmware/arm_scmi/perf.c index 5a6ed42bfb55..216bcd68d549 100644 --- a/drivers/firmware/arm_scmi/perf.c +++ b/drivers/firmware/arm_scmi/perf.c @@ -440,6 +440,15 @@ static int scmi_perf_limits_get(const struct scmi_protocol_handle *ph, return scmi_perf_mb_limits_get(ph, domain, max_perf, min_perf); } +static bool +scmi_perf_can_level_set(const struct scmi_protocol_handle *ph, u32 domain) +{ + struct scmi_perf_info *pi = ph->get_priv(ph); + struct perf_dom_info *dom = pi->dom_info + domain; + + return dom->set_perf; +} + static int scmi_perf_mb_level_set(const struct scmi_protocol_handle *ph, u32 domain, u32 level, bool poll) { @@ -707,6 +716,7 @@ static const struct scmi_perf_proto_ops perf_proto_ops = { .name_get = scmi_perf_name_get, .limits_set = scmi_perf_limits_set, .limits_get = scmi_perf_limits_get, + .can_level_set = scmi_perf_can_level_set, .level_set = scmi_perf_level_set, .level_get = scmi_perf_level_get, .device_domain_id = scmi_dev_domain_id, diff --git a/include/linux/scmi_protocol.h b/include/linux/scmi_protocol.h index 07152a0baee3..99c3e985c40f 100644 --- a/include/linux/scmi_protocol.h +++ b/include/linux/scmi_protocol.h @@ -129,6 +129,7 @@ struct scmi_perf_proto_ops { u32 max_perf, u32 min_perf); int (*limits_get)(const struct scmi_protocol_handle *ph, u32 domain, u32 *max_perf, u32 *min_perf); + bool (*can_level_set)(const struct scmi_protocol_handle *ph, u32 domain); int (*level_set)(const struct scmi_protocol_handle *ph, u32 domain, u32 level, bool poll); int (*level_get)(const struct scmi_protocol_handle *ph, u32 domain, |