From 53f853d55e312a639eaa910154248ce06eb754ac Mon Sep 17 00:00:00 2001 From: Dmitry Osipenko Date: Thu, 30 Jun 2022 10:57:51 +0300 Subject: [PATCH] PM / devfreq: tegra30: Add error message for devm_devfreq_add_device() 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 Signed-off-by: Chanwoo Choi --- 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 65ecf17a36f4..585a95fe2bd6 100644 --- a/drivers/devfreq/tegra30-devfreq.c +++ b/drivers/devfreq/tegra30-devfreq.c @@ -922,8 +922,10 @@ 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; } -- 2.20.1