Message ID | 20230713141738.23970-7-ulf.hansson@linaro.org |
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State | New |
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[94.254.63.18]) by smtp.gmail.com with ESMTPSA id w28-20020ac2599c000000b004fb759964a9sm1132426lfn.168.2023.07.13.07.18.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Jul 2023 07:18:16 -0700 (PDT) From: Ulf Hansson <ulf.hansson@linaro.org> To: Sudeep Holla <sudeep.holla@arm.com>, Cristian Marussi <cristian.marussi@arm.com>, Viresh Kumar <vireshk@kernel.org>, Nishanth Menon <nm@ti.com>, Stephen Boyd <sboyd@kernel.org> Cc: Nikunj Kela <nkela@quicinc.com>, Prasad Sodagudi <psodagud@quicinc.com>, Alexandre Torgue <alexandre.torgue@foss.st.com>, Ulf Hansson <ulf.hansson@linaro.org>, linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 06/11] cpufreq: scmi: Avoid one OF parsing in scmi_get_sharing_cpus() Date: Thu, 13 Jul 2023 16:17:33 +0200 Message-Id: <20230713141738.23970-7-ulf.hansson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230713141738.23970-1-ulf.hansson@linaro.org> References: <20230713141738.23970-1-ulf.hansson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-kernel.vger.kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1771316695689221878 X-GMAIL-MSGID: 1771316695689221878 |
Series |
arm_scmi/cpufreq: Add generic performance scaling support
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Commit Message
Ulf Hansson
July 13, 2023, 2:17 p.m. UTC
The domain-id for the cpu_dev has already been parsed at the point when
scmi_get_sharing_cpus() is getting called. Let's pass it as an in-parameter
to avoid the unnecessary OF parsing.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
---
Changes in v2:
- None.
---
drivers/cpufreq/scmi-cpufreq.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c index 125e8a8421fb..78f53e388094 100644 --- a/drivers/cpufreq/scmi-cpufreq.c +++ b/drivers/cpufreq/scmi-cpufreq.c @@ -82,15 +82,12 @@ static int scmi_cpu_domain_id(struct device *cpu_dev) } static int -scmi_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask) +scmi_get_sharing_cpus(struct device *cpu_dev, int domain, + struct cpumask *cpumask) { - int cpu, domain, tdomain; + int cpu, tdomain; struct device *tcpu_dev; - domain = scmi_cpu_domain_id(cpu_dev); - if (domain < 0) - return domain; - for_each_possible_cpu(cpu) { if (cpu == cpu_dev->id) continue; @@ -163,7 +160,7 @@ static int scmi_cpufreq_init(struct cpufreq_policy *policy) } /* Obtain CPUs that share SCMI performance controls */ - ret = scmi_get_sharing_cpus(cpu_dev, policy->cpus); + ret = scmi_get_sharing_cpus(cpu_dev, domain, policy->cpus); if (ret) { dev_warn(cpu_dev, "failed to get sharing cpumask\n"); goto out_free_cpumask;