lkml.org 
[lkml]   [2018]   [May]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 01/11] PM / devfreq: Init user limits from OPP limits, not viceversa
On Mon, May 28, 2018 at 02:26:49PM +0900, Chanwoo Choi wrote:
> Hi,
>
> On 2018년 05월 26일 05:30, Matthias Kaehlcke wrote:
> > Commit ab8f58ad72c4 ("PM / devfreq: Set min/max_freq when adding
> > the devfreq device") introduced the initialization of the user
> > limits min/max_freq from the lowest/highest available OPPs. Later
> > commit f1d981eaecf8 ("PM / devfreq: Use the available min/max
> > frequency") added scaling_min/max_freq, which actually represent
> > the frequencies of the lowest/highest available OPP. scaling_min/
> > max_freq are initialized with the values from min/max_freq, which
> > is totally correct in the context, but a bit awkward to read.
> >
> > Swap the initialization and assign scaling_min/max_freq with the
> > OPP freqs and then the user limts min/max_freq with scaling_min/
> > max_freq.
> >
> > Needless to say that this change is a NOP, intended to improve
> > readability.
> >
> > Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
> > ---
> > drivers/devfreq/devfreq.c | 12 ++++++------
> > 1 file changed, 6 insertions(+), 6 deletions(-)
> >
> > diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
> > index fe2af6aa88fc..0057ef5b0a98 100644
> > --- a/drivers/devfreq/devfreq.c
> > +++ b/drivers/devfreq/devfreq.c
> > @@ -604,21 +604,21 @@ struct devfreq *devfreq_add_device(struct device *dev,
> > mutex_lock(&devfreq->lock);
> > }
> >
> > - devfreq->min_freq = find_available_min_freq(devfreq);
> > - if (!devfreq->min_freq) {
> > + devfreq->scaling_min_freq = find_available_min_freq(devfreq);
> > + if (!devfreq->scaling_min_freq) {
> > mutex_unlock(&devfreq->lock);
> > err = -EINVAL;
> > goto err_dev;
> > }
> > - devfreq->scaling_min_freq = devfreq->min_freq;
> > + devfreq->min_freq = devfreq->scaling_min_freq;
> >
> > - devfreq->max_freq = find_available_max_freq(devfreq);
> > - if (!devfreq->max_freq) {
> > + devfreq->scaling_max_freq = find_available_max_freq(devfreq);
> > + if (!devfreq->scaling_max_freq) {
> > mutex_unlock(&devfreq->lock);
> > err = -EINVAL;
> > goto err_dev;
> > }
> > - devfreq->scaling_max_freq = devfreq->max_freq;
> > + devfreq->max_freq = devfreq->scaling_max_freq;
> >
> > dev_set_name(&devfreq->dev, "devfreq%d",
> > atomic_inc_return(&devfreq_no));
> >
>
> I already replied with my Reviewed-by tag. You are missing my tag.
>
> Again,
> Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>

Sorry, forgot to add the tag after creating the series. I now added it
to my local tree.

\
 
 \ /
  Last update: 2018-05-29 20:07    [W:0.066 / U:24.264 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site