Messages in this thread Patch in this message |  | | From | Yangtao Li <> | | Subject | [PATCH] PM / devfreq: exynos-bus: Add error log when get event fails | | Date | Mon, 23 Dec 2019 19:19:23 +0000 |
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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> --- drivers/devfreq/exynos-bus.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/devfreq/exynos-bus.c b/drivers/devfreq/exynos-bus.c index 948e9340f91c..634d63fd00ea 100644 --- a/drivers/devfreq/exynos-bus.c +++ b/drivers/devfreq/exynos-bus.c @@ -126,6 +126,8 @@ 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 %d\n", + ret); stat->total_time = stat->busy_time = 0; goto err; } -- 2.17.1
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