From 28135762b83ab5767fecafb997f2dc760b7d2739 Mon Sep 17 00:00:00 2001 From: Yangtao Li Date: Tue, 24 Dec 2019 14:49:54 +0000 Subject: PM / devfreq: exynos-bus: Add error log when fail to get devfreq-event Adding an error log makes it easier to trace the function's error path. Because the error code may be rewritten on return, print error code here. Signed-off-by: Yangtao Li Signed-off-by: Chanwoo Choi --- drivers/devfreq/exynos-bus.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/devfreq') diff --git a/drivers/devfreq/exynos-bus.c b/drivers/devfreq/exynos-bus.c index 1259a0da7db7..8fa8eb541373 100644 --- a/drivers/devfreq/exynos-bus.c +++ b/drivers/devfreq/exynos-bus.c @@ -126,6 +126,7 @@ static int exynos_bus_get_dev_status(struct device *dev, ret = exynos_bus_get_event(bus, &edata); if (ret < 0) { + dev_err(dev, "failed to get event from devfreq-event devices\n"); stat->total_time = stat->busy_time = 0; goto err; } -- cgit v1.2.3-59-g8ed1b