Commit 035ed072 authored Sep 29, 2017 by Fabio Estevam Committed by Rafael J. Wysocki Oct 11, 2017

PM / OPP: Move error message to debug level



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 <fabio.estevam@nxp.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

parent d741029a

drivers/opp/core.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -296,7 +296,7 @@ int dev_pm_opp_get_opp_count(struct device *dev)
		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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