linux-kernel - [PATCH] opp: remove WARN when no valid OPPs remain

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Message-Id: <aae042425e7a55d7d0f873cdfc3712953fb0df10.1627288191.git.mirq-linux@rere.qmqm.pl>
Date:   Mon, 26 Jul 2021 10:30:56 +0200
From:   Michał Mirosław <mirq-linux@...e.qmqm.pl>
To:     Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] 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@...e.qmqm.pl>
---
 drivers/opp/of.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/opp/of.c b/drivers/opp/of.c
index c582a9ca397b..01feeba78426 100644
--- a/drivers/opp/of.c
+++ b/drivers/opp/of.c
@@ -985,8 +985,9 @@ 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;
 	}
-- 
2.30.2