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[94.254.63.18]) by smtp.gmail.com with ESMTPSA id z7-20020a19f707000000b004f4b3e9e0cesm1781708lfe.297.2023.06.07.05.46.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 Jun 2023 05:46:56 -0700 (PDT) From: Ulf Hansson To: Sudeep Holla , Cristian Marussi , Viresh Kumar , Nishanth Menon , Stephen Boyd Cc: Nikunj Kela , Prasad Sodagudi , Alexandre Torgue , Ulf Hansson , linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 02/16] firmware: arm_scmi: Extend perf protocol ops to get the name of a domain Date: Wed, 7 Jun 2023 14:46:14 +0200 Message-Id: <20230607124628.157465-3-ulf.hansson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230607124628.157465-1-ulf.hansson@linaro.org> References: <20230607124628.157465-1-ulf.hansson@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Similar to other protocol ops, it's useful for an scmi module driver to get the name of a performance domain, hence let's make this available by adding a new perf protocol callback. Note that, a user is being added from subsequent changes. Signed-off-by: Ulf Hansson --- drivers/firmware/arm_scmi/perf.c | 10 ++++++++++ include/linux/scmi_protocol.h | 3 +++ 2 files changed, 13 insertions(+) diff --git a/drivers/firmware/arm_scmi/perf.c b/drivers/firmware/arm_scmi/perf.c index cf7f0de4d6db..5a6ed42bfb55 100644 --- a/drivers/firmware/arm_scmi/perf.c +++ b/drivers/firmware/arm_scmi/perf.c @@ -340,6 +340,15 @@ static int scmi_perf_num_domains_get(const struct scmi_protocol_handle *ph) return pi->num_domains; } +static const char * +scmi_perf_name_get(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->name; +} + static int scmi_perf_mb_limits_set(const struct scmi_protocol_handle *ph, u32 domain, u32 max_perf, u32 min_perf) { @@ -695,6 +704,7 @@ scmi_power_scale_get(const struct scmi_protocol_handle *ph) static const struct scmi_perf_proto_ops perf_proto_ops = { .num_domains_get = scmi_perf_num_domains_get, + .name_get = scmi_perf_name_get, .limits_set = scmi_perf_limits_set, .limits_get = scmi_perf_limits_get, .level_set = scmi_perf_level_set, diff --git a/include/linux/scmi_protocol.h b/include/linux/scmi_protocol.h index 4e42274a68b7..07152a0baee3 100644 --- a/include/linux/scmi_protocol.h +++ b/include/linux/scmi_protocol.h @@ -102,6 +102,7 @@ struct scmi_clk_proto_ops { * by SCMI Performance Protocol * * @num_domains_get: gets the number of supported performance domains + * @name_get: gets the name of a performance domain * @limits_set: sets limits on the performance level of a domain * @limits_get: gets limits on the performance level of a domain * @level_set: sets the performance level of a domain @@ -122,6 +123,8 @@ struct scmi_clk_proto_ops { */ struct scmi_perf_proto_ops { int (*num_domains_get)(const struct scmi_protocol_handle *ph); + const char *(*name_get)(const struct scmi_protocol_handle *ph, + u32 domain); int (*limits_set)(const struct scmi_protocol_handle *ph, u32 domain, u32 max_perf, u32 min_perf); int (*limits_get)(const struct scmi_protocol_handle *ph, u32 domain,