[PATCH 4/9] OPP: Extend dev_pm_opp_data with a level

From: Ulf Hansson
Date: Mon Sep 25 2023 - 09:18:14 EST


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

Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
---
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 54b6138e1189..ca8d1304b508 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -2035,6 +2035,7 @@ int _opp_add_v1(struct opp_table *opp_table, struct device *dev,

/* populate the opp table */
new_opp->rates[0] = data->freq;
+ new_opp->level = data->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 a8ee93ba41d8..9ad168f4cbf1 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