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-rw-r--r--drivers/opp/opp.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/opp/opp.h b/drivers/opp/opp.h
index 8aec38792cae..e24d81497375 100644
--- a/drivers/opp/opp.h
+++ b/drivers/opp/opp.h
@@ -145,7 +145,9 @@ enum opp_table_access {
* @prop_name: A name to postfix to many DT properties, while parsing them.
* @clk: Device's clock handle
* @regulators: Supply regulators
- * @regulator_count: Number of power supply regulators
+ * @regulator_count: Number of power supply regulators. Its value can be -1
+ * (uninitialized), 0 (no opp-microvolt property) or > 0 (has opp-microvolt
+ * property).
* @genpd_performance_state: Device's power domain support performance state.
* @is_genpd: Marks if the OPP table belongs to a genpd.
* @set_opp: Platform specific set_opp callback
@@ -189,7 +191,7 @@ struct opp_table {
const char *prop_name;
struct clk *clk;
struct regulator **regulators;
- unsigned int regulator_count;
+ int regulator_count;
bool genpd_performance_state;
bool is_genpd;