linux-kernel - [PATCH 12/16] OPP: Extend dev_pm_opp

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20230607124628.157465-13-ulf.hansson@linaro.org>
Date:   Wed,  7 Jun 2023 14:46:24 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Sudeep Holla <sudeep.holla@....com>,
        Cristian Marussi <cristian.marussi@....com>,
        Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     Nikunj Kela <nkela@...cinc.com>,
        Prasad Sodagudi <psodagud@...cinc.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Ulf Hansson <ulf.hansson@...aro.org>, linux-pm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 12/16] OPP: Extend dev_pm_opp_data with performance level

Let's extend the dev_pm_opp_data with a level variable, to allow users to
specify a corresponding performance level for a dynamically added OPP.

Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
---
 drivers/opp/core.c     | 1 +
 include/linux/pm_opp.h | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index 0e6ee2980f88..79b4b44ced3e 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -1954,6 +1954,7 @@ int _opp_add_v1(struct opp_table *opp_table, struct device *dev,
 
 	/* populate the opp table */
 	new_opp->rates[0] = opp->freq;
+	new_opp->level = opp->level;
 	tol = u_volt * opp_table->voltage_tolerance_v1 / 100;
 	new_opp->supplies[0].u_volt = u_volt;
 	new_opp->supplies[0].u_volt_min = u_volt - tol;
diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h
index 305cd87b394c..2c6f67736579 100644
--- a/include/linux/pm_opp.h
+++ b/include/linux/pm_opp.h
@@ -94,10 +94,12 @@ struct dev_pm_opp_config {
 
 /**
  * struct dev_pm_opp_data - The data to use to initialize an OPP.
+ * @level: The performance level for the OPP.
  * @freq: The clock rate in Hz for the OPP.
  * @u_volt: The voltage in uV for the OPP.
  */
 struct dev_pm_opp_data {
+	unsigned int level;
 	unsigned long freq;
 	unsigned long u_volt;
 };
-- 
2.34.1