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Subject[PATCH 4.14 114/159] PM / OPP: Move error message to debug level
4.14-stable review patch.  If anyone has any objections, please let me know.


From: Fabio Estevam <>

[ Upstream commit 035ed07208dc501d023873447113f3f178592156 ]

On some i.MX6 platforms which do not have speed grading
check, opp table will not be created in platform code,
so cpufreq driver prints the following error message:

cpu cpu0: dev_pm_opp_get_opp_count: OPP table not found (-19)

However, this is not really an error in this case because the
imx6q-cpufreq driver first calls dev_pm_opp_get_opp_count()
and if it fails, it means that platform code does not provide
OPP and then dev_pm_opp_of_add_table() will be called.

In order to avoid such confusing error message, move it to
debug level.

It is up to the caller of dev_pm_opp_get_opp_count() to check its
return value and decide if it will print an error or not.

Signed-off-by: Fabio Estevam <>
Signed-off-by: Rafael J. Wysocki <>
Signed-off-by: Sasha Levin <>
Signed-off-by: Greg Kroah-Hartman <>
drivers/base/power/opp/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/base/power/opp/core.c
+++ b/drivers/base/power/opp/core.c
@@ -296,7 +296,7 @@ int dev_pm_opp_get_opp_count(struct devi
opp_table = _find_opp_table(dev);
if (IS_ERR(opp_table)) {
count = PTR_ERR(opp_table);
- dev_err(dev, "%s: OPP table not found (%d)\n",
+ dev_dbg(dev, "%s: OPP table not found (%d)\n",
__func__, count);
return count;

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