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PM / devfreq: Make log message more explicit when devfreq device already exists

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Before creating a new devfreq device devfreq_add_device() checks
if there is already a devfreq dev associated with the requesting
device (parent). If that's the case the function rejects to create
another devfreq dev for that parent and logs an error. The error
message is very unspecific, make it a bit more explicit.

Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
This commit is contained in:
Matthias Kaehlcke 2019-09-18 17:09:46 -07:00 committed by Chanwoo Choi
parent 3b7b37846b
commit df4d7b1451
1 changed files with 1 additions and 1 deletions
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2
drivers/devfreq/devfreq.c
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@ -625,7 +625,7 @@ struct devfreq *devfreq_add_device(struct device *dev,
devfreq = find_device_devfreq(dev);
mutex_unlock(&devfreq_list_lock);
if (!IS_ERR(devfreq)) {
dev_err(dev, "%s: Unable to create devfreq for the device.\n",
dev_err(dev, "%s: devfreq device already exists!\n",
__func__);
err = -EINVAL;
goto err_out;