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OPP: Identify and mark genpd OPP tables

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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>
This commit is contained in:
Viresh Kumar
2018-06-13 16:00:11 +05:30
parent 560928b27b
commit 61d8e7c73b
2 changed files with 6 additions and 2 deletions
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6
drivers/opp/of.c
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@@ -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;
}