On 22. 6. 30. 16:57, Dmitry Osipenko wrote: > It's difficult to notice that driver failed to probe by looking at KMSG > when devm_devfreq_add_device() fails. Add explicit error message for this > case. > > Signed-off-by: Dmitry Osipenko <dmitry.osipenko@xxxxxxxxxxxxx> > --- > drivers/devfreq/tegra30-devfreq.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/devfreq/tegra30-devfreq.c b/drivers/devfreq/tegra30-devfreq.c > index 30382bdfc655..f0d414b881e3 100644 > --- a/drivers/devfreq/tegra30-devfreq.c > +++ b/drivers/devfreq/tegra30-devfreq.c > @@ -926,8 +926,10 @@ static int tegra_devfreq_probe(struct platform_device *pdev) > > devfreq = devm_devfreq_add_device(&pdev->dev, &tegra_devfreq_profile, > "tegra_actmon", NULL); > - if (IS_ERR(devfreq)) > + if (IS_ERR(devfreq)) { > + dev_err(&pdev->dev, "Failed to add device: %pe\n", devfreq); > return PTR_ERR(devfreq); > + } > > return 0; > } Applied it. Thanks. -- Best Regards, Samsung Electronics Chanwoo Choi