Re: [PATCH v4 4/4] PM / devfreq: Mute warning on governor PROBE_DEFER

From: Chanwoo Choi
Date: Wed Jun 15 2022 - 02:56:41 EST


On 22. 6. 15. 08:09, Christian 'Ansuel' Marangi wrote:
> Don't print warning when a governor PROBE_DEFER as it's not a real
> GOV_START fail.
>
> Fixes: a03dacb0316f ("PM / devfreq: Add cpu based scaling support to passive governor")
> Signed-off-by: Christian 'Ansuel' Marangi <ansuelsmth@xxxxxxxxx>
> ---
> drivers/devfreq/devfreq.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
> index 2e2b3b414d67..6a39638ed064 100644
> --- a/drivers/devfreq/devfreq.c
> +++ b/drivers/devfreq/devfreq.c
> @@ -931,8 +931,9 @@ struct devfreq *devfreq_add_device(struct device *dev,
> err = devfreq->governor->event_handler(devfreq, DEVFREQ_GOV_START,
> NULL);
> if (err) {
> - dev_err(dev, "%s: Unable to start governor for the device\n",
> - __func__);
> + dev_err_probe(dev, err,
> + "%s: Unable to start governor for the device\n",
> + __func__);
> goto err_init;
> }
> create_sysfs_files(devfreq, devfreq->governor);


In order to keep the left-align with above error log
when try_then_request_governor() is failed,
I recommend to use the tab without space indentation as following:

If you have no objection, I'll merge this change.

diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index 01474daf4548..80a1235ef8fb 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -932,8 +932,9 @@ struct devfreq *devfreq_add_device(struct device *dev,
err = devfreq->governor->event_handler(devfreq, DEVFREQ_GOV_START,
NULL);
if (err) {
- dev_err(dev, "%s: Unable to start governor for the device\n",
- __func__);
+ dev_err_probe(dev, err,
+ "%s: Unable to start governor for the device\n",
+ __func__);
goto err_init;
}
create_sysfs_files(devfreq, devfreq->governor);





--
Best Regards,
Samsung Electronics
Chanwoo Choi