lkml.org 
[lkml]   [2019]   [Dec]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2] PM / devfreq: exynos-bus: Add error log when fail to get devfreq-event
Date
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>
---
v2:
-update subject and fix over 80 char
---
drivers/devfreq/exynos-bus.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/devfreq/exynos-bus.c b/drivers/devfreq/exynos-bus.c
index 948e9340f91c..a4c6187b1eac 100644
--- a/drivers/devfreq/exynos-bus.c
+++ b/drivers/devfreq/exynos-bus.c
@@ -126,6 +126,9 @@ 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
\
 
 \ /
  Last update: 2019-12-24 15:50    [W:0.020 / U:4.344 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site