Re: [PATCH v2 1/2] cpufreq: add new attribute type cpufreq_freq_attr_wr_perm()
From: Viresh Kumar
Date: Mon Nov 07 2016 - 00:33:44 EST
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.
> +static struct freq_attr _name = \
> +__ATTR(_name, _perm, NULL, store_##_name)
> +
> struct global_attr {
> struct attribute attr;
> ssize_t (*show)(struct kobject *kobj,
> --
> 2.7.4
--
viresh