opp: remove WARN when no valid OPPs remain

This WARN can be triggered per-core and the stack trace is not useful.
Replace it with plain dev_err(). Fix a comment while at it.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>

diff --git a/drivers/opp/of.c b/drivers/opp/of.c
index d298e38..67f2e07 100644 (file)
--- a/drivers/opp/of.c
+++ b/drivers/opp/of.c
@@ -964,8 +964,9 @@ static int _of_add_opp_table_v2(struct device *dev, struct opp_table *opp_table)
                }
        }
 
-       /* There should be one of more OPP defined */
-       if (WARN_ON(!count)) {
+       /* There should be one or more OPPs defined */
+       if (!count) {
+               dev_err(dev, "%s: no supported OPPs", __func__);
                ret = -ENOENT;
                goto remove_static_opp;
        }