Re: [PATCH v2 1/2] cpufreq: add new attribute type cpufreq_freq_attr_wr_perm()
From: Viresh Kumar
Date: Sun Nov 06 2016 - 23:36:15 EST
On 07-11-16, 10:03, Viresh Kumar wrote:
> On 04-11-16, 09:55, Markus Mayer wrote:
> > From: Markus Mayer <mmayer@xxxxxxxxxxxx>
> > With the new attribute type, it is possible to create write-only
> > CPUfreq attributes.
> > Signed-off-by: Markus Mayer <mmayer@xxxxxxxxxxxx>
> > ---
> > include/linux/cpufreq.h | 4 ++++
> > 1 file changed, 4 insertions(+)
> > diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
> > index 5fa55fc..ed09930 100644
> > --- a/include/linux/cpufreq.h
> > +++ b/include/linux/cpufreq.h
> > @@ -234,6 +234,10 @@ __ATTR(_name, _perm, show_##_name, NULL)
> > static struct freq_attr _name = \
> > __ATTR(_name, 0644, show_##_name, store_##_name)
> > +#define cpufreq_freq_attr_wr_perm(_name, _perm) \
> shouldn't this be _wo_perm ?
> Also, I wouldn't mind doing this in the second patch itself.
Also there is no need to define a _perm variant here, and then you can avoid
sending 0200 as argument as well.