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| author | Yangtao Li <tiny.windzz@gmail.com> | 2019-12-24 17:49:54 +0300 |
|---|---|---|
| committer | Chanwoo Choi <cw00.choi@samsung.com> | 2019-12-30 03:59:06 +0300 |
| commit | 28135762b83ab5767fecafb997f2dc760b7d2739 (patch) | |
| tree | 1809fa67fb547aa5b195a1fb512e35aaa13487ed /drivers/devfreq | |
| parent | 6c315d8fe3c931e1f2e7c34c8d81d6016db8f978 (diff) | |
| download | linux-28135762b83ab5767fecafb997f2dc760b7d2739.tar.xz | |
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 <tiny.windzz@gmail.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Diffstat (limited to 'drivers/devfreq')
| -rw-r--r-- | drivers/devfreq/exynos-bus.c | 1 |
1 files changed, 1 insertions, 0 deletions
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; } |