[PATCH 4.9 09/87] PM / OPP: Error out on failing to add static OPPs for v1 bindings

From: Greg Kroah-Hartman
Date: Mon Nov 13 2017 - 08:00:39 EST


4.9-stable review patch. If anyone has any objections, please let me know.

------------------

From: Viresh Kumar <viresh.kumar@xxxxxxxxxx>


[ Upstream commit 04a86a84c42ca18f37ab446127dc619b41dd3b23 ]

The code adding static OPPs for V2 bindings already does so. Make the V1
bindings specific code behave the same.

Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
Reviewed-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/base/power/opp/of.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)

--- a/drivers/base/power/opp/of.c
+++ b/drivers/base/power/opp/of.c
@@ -386,7 +386,7 @@ static int _of_add_opp_table_v1(struct d
{
const struct property *prop;
const __be32 *val;
- int nr;
+ int nr, ret;

prop = of_find_property(dev->of_node, "operating-points", NULL);
if (!prop)
@@ -409,9 +409,13 @@ static int _of_add_opp_table_v1(struct d
unsigned long freq = be32_to_cpup(val++) * 1000;
unsigned long volt = be32_to_cpup(val++);

- if (_opp_add_v1(dev, freq, volt, false))
- dev_warn(dev, "%s: Failed to add OPP %ld\n",
- __func__, freq);
+ ret = _opp_add_v1(dev, freq, volt, false);
+ if (ret) {
+ dev_err(dev, "%s: Failed to add OPP %ld (%d)\n",
+ __func__, freq, ret);
+ dev_pm_opp_of_remove_table(dev);
+ return ret;
+ }
nr -= 2;
}