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[V3,02/10] OPP: Identify and mark genpd OPP tables

Message ID 320abb3732333763c6d87e5e6aa81aa80dbace8d.1540446493.git.viresh.kumar@linaro.org
State Accepted
Commit 61d8e7c73b0b55a529fe7e9cb0cccccf50ee967a
Headers show
Series [V3,01/10] PM / Domains: Rename genpd virtual devices as virt_dev | expand

Commit Message

Viresh Kumar Oct. 25, 2018, 5:52 a.m. UTC 
We need to handle genpd OPP tables differently, this is already the case
at one location and will be extended going forward. Add another field to
the OPP table to check if the table belongs to a genpd or not.

Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>

---
 drivers/opp/of.c  | 6 ++++--
 drivers/opp/opp.h | 2 ++
 2 files changed, 6 insertions(+), 2 deletions(-)

-- 
2.19.1.568.g152ad8e3369a
diff mbox series

Patch

diff --git a/drivers/opp/of.c b/drivers/opp/of.c
index 5a4b47958073..5f114cd3d88c 100644
--- a/drivers/opp/of.c
+++ b/drivers/opp/of.c
@@ -92,6 +92,9 @@  void _of_init_opp_table(struct opp_table *opp_table, struct device *dev,
 	of_property_read_u32(np, "voltage-tolerance",
 			     &opp_table->voltage_tolerance_v1);
 
+	if (of_find_property(np, "#power-domain-cells", NULL))
+		opp_table->is_genpd = true;
+
 	/* Get OPP table node */
 	opp_np = _opp_of_get_opp_desc_node(np, index);
 	of_node_put(np);
@@ -326,8 +329,7 @@  static struct dev_pm_opp *_opp_add_static_v2(struct opp_table *opp_table,
 	ret = of_property_read_u64(np, "opp-hz", &rate);
 	if (ret < 0) {
 		/* "opp-hz" is optional for devices like power domains. */
-		if (!of_find_property(dev->of_node, "#power-domain-cells",
-				      NULL)) {
+		if (!opp_table->is_genpd) {
 			dev_err(dev, "%s: opp-hz not found\n", __func__);
 			goto free_opp;
 		}
diff --git a/drivers/opp/opp.h b/drivers/opp/opp.h
index 9c6544b4f4f9..cdb0c2b095e2 100644
--- a/drivers/opp/opp.h
+++ b/drivers/opp/opp.h
@@ -140,6 +140,7 @@  enum opp_table_access {
  * @regulators: Supply regulators
  * @regulator_count: Number of power supply regulators
  * @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
  * @set_opp_data: Data to be passed to set_opp callback
  * @dentry:	debugfs dentry pointer of the real device directory (not links).
@@ -178,6 +179,7 @@  struct opp_table {
 	struct regulator **regulators;
 	unsigned int regulator_count;
 	bool genpd_performance_state;
+	bool is_genpd;
 
 	int (*set_opp)(struct dev_pm_set_opp_data *data);
 	struct dev_pm_set_opp_data *set_opp_data;